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Siemens SIRIUS 3RU2 Manual

Industrial controls
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Industrial Controls
Protection Devices
SIRIUS Innovations - Thermal Overload Relays SIRIUS 3RU2 / Solid-State Overload Relays SIRIUS 3RB3
Gerätehandbuch
Manual
Edition
09/2014
Answers for industry.

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Summary of Contents for Siemens SIRIUS 3RU2

  • Page 1 Industrial Controls Protection Devices SIRIUS Innovations - Thermal Overload Relays SIRIUS 3RU2 / Solid-State Overload Relays SIRIUS 3RB3 Gerätehandbuch Manual Edition 09/2014 Answers for industry.
  • Page 3 ___________________ SIRIUS Innovations - SIRIUS 3RU2 Introduction thermal overload relays / SIRIUS 3RB3 ___________________ Standards solid-state overload relays ___________________ Industrial Controls Product description ___________________ Product combinations Protection devices SIRIUS Innovations - SIRIUS 3RU2 ___________________ thermal overload relays / SIRIUS Functions...
  • Page 4 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 5: Table Of Contents

    6.2.3 Normal and heavy-duty starting ....................52 6.2.4 Contactor assembly for star-delta (wye-delta) start ..............53 6.2.5 Operation with frequency converters ..................54 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 6 Connecting the remote RESET ....................95 10.4.3 Mounting/Disassembly ......................96 10.5 Sealable cover ........................97 10.5.1 Description ..........................97 10.5.2 Mounting ..........................98 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 7 Protection function ........................ 137 11.4.2.7 Mounting/fixing/dimensions ....................138 11.4.2.8 UL/CSA rated data ........................ 139 11.4.2.9 Rated operating current and active power loss ..............140 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 8 3RT2 contactors drilling plan ....................164 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports ... 166 Correction sheet ..........................171 Index ..............................173 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 9: Introduction

    Nor can Siemens assume liability for recommendations that appear or are implied in the following description. No new guarantee, warranty, or liability claims beyond the scope of the Siemens general terms of supply are to be derived or inferred from the following description. Purpose of the manual...
  • Page 10 The manual is valid for these overload relays. It contains a description of the devices that is valid at the time of publication. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 11: Service&Support

    All Product Support information is at your disposal free of charge and around the clock, and you always get the current version. Link: Product Support (http://support.automation.siemens.com/WW/view/en/4000024) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 12 ● Application examples ● Function blocks & tools ● Background and system descriptions ● Performance statements ● Demonstration systems/videos Link: Applications & Tools (http://support.automation.siemens.com/WW/view/en/20208582) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 13 You can find a list of operating instructions and an overview of the manuals pertaining to SIRIUS Innovations in the appendix "References (Page 147)". SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 14: Datamatrix Code

    As well as fast access to the serial numbers of the respective devices for unique identification, the DataMatrix codes simplify communication with Siemens Technical Support. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 15 SIEMENS Service&Support Portal, such as operating instructions, manuals, data sheets, FAQs, etc. We provide the SIEMENS Industry Support app free for this purpose and it can be used on most commercially available smartphones and tablets.
  • Page 16 This will help us to improve the next edition of the manual. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 17: Standards

    (shipbuilding, etc.). An up-to-date list of approvals is provided in Chapter 16 of the Siemens catalog IC 10 - "SIRIUS Industrial Controls". You will find more information and an option to download certificates on the internet (http://www.siemens.com/automation/service&support).
  • Page 18 Standards 2.1 Standards SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 19: Product Description

    (wye-delta) start). This provides protection of loads against high- impedance faults to ground caused by damaged insulation, moisture, condensation, etc. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 20 Accessories The accessories have been tailored to the overload relays; they can be mounted easily and without the need for tools. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 21: Versions

    (wide setting ranges (1:4), for example, or even reduced power loss and, as a result, minimized energy consumption). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 22: Applications

    (no protection for DC loads) must be used for IO-Link. Reference More information ... Can be found in the chapter titled ... About overload relay applications Configuration (Page 49) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 23 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 24: 3Ru21 Thermal Overload Relays

    2/T1 Main circuit terminals 4/T2 6/T3 NC contact (NC 95-96) NO contact (NO 97-98) 14/22 Feed-through contactor auxiliary switch Feed-through contactor coil terminal SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 25 ⑧ Label Terminal labels 2/T1 Main circuit terminals 4/T2 6/T3 NC contact (NC 95-96) NO contact (NO 97-98) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 26 Auxiliary contacts 3RU21 thermal overload relays are equipped with an NO contact for the "tripped" message and an NC contact for disconnecting the contactor. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 27: 3Rb30 Solid-State Overload Relays

    2/T1 Main circuit terminals 4/T2 6/T3 NC contact (NC 95-96) NO contact (NO 97-98) 14/22 Feed-through contactor auxiliary switch Feed-through contactor coil terminal SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 28 ⑨ Label Terminal labels 2/T1 Main circuit terminals 4/T2 6/T3 NC contact (NC 95-96) NO contact (NO 97-98) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 29 Auxiliary contacts 3RB30 solid-state overload relays are equipped with an NO contact for the "tripped" message and an NC contact for disconnecting the contactor. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 30: 3Rb31 Solid-State Overload Relays

    ⑪ Motor current setting: The large rotary button provides an easy means of setting the device to the rated motor current. ⑫ Label SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 31 2/T1 Main circuit terminals 4/T2 6/T3 NC contact (NC 95-96) NO contact (NO 97-98) 14/22 Feed-through contactor auxiliary switch Feed-through contactor coil terminal SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 32 ⑩ Label Terminal labels 2/T1 Main circuit terminals 4/T2 6/T3 NC contact (NC 95-96) NO contact (NO 97-98) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 33 A sealable transparent cover can be optionally mounted on the thermal overload relays in the sizes S00, S0 and S2 (Accessories (Page 83)). It stops the motor setting being tampered with. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 34 Auxiliary contacts 3RB31 solid-state overload relays are equipped with an NO contact for the "tripped" message and an NC contact for disconnecting the contactor. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 35: Product Combinations

    More information ... can be found in the Chapter ... on the overload relay and contactor combination "Overview of combinable 3RT2 contactors options (Page 51)" SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 36 Product combinations SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 37: Functions

    Therefore, all of the relay's main current paths have to be connected in series. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 38: Inverse-Time Delayed Overload Release

    ≤ 10 CLASS 10 4 < t ≤ 10 CLASS 20 6 < t ≤ 20 CLASS 30 9 < t ≤ 30 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 39: Tripping Characteristics

    (CLASS 10, CLASS 20, etc., see the Chapter Tripping classes (Page 38)). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 40 I t [s] Tripping time I [A] Current 3-pole load 2-pole load Figure 5-1 Time-current characteristic curve, schematic diagram - 3RU21 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 41 30 % following prolonged loading with the current setting I Figure 1 t [s] Tripping time I [A] Current Figure 5-2 3-pole load - 3RB30/3RB31 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 42 The figures are schematic representations of the characteristic curves. The characteristic curves for the individual overload relays can be downloaded from the Internet (http://www.siemens.com/automation/service&support). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 43: Ground Fault Protection In The Case Of The 3Rb31

    Chapter ... about ground-fault protection of the solid-state Contactor assembly for star-delta (wye-delta) overload relays in conjunction with star-delta start (Page 53) (wye-delta) assemblies SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 44: Auxiliary Contacts

    More information ... Can be found in the chapter titled ... About the response of auxiliary contacts Response of the auxiliary contacts (Page 82) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 45: Indication Of The Operating State

    In such cases you need to contact Technical Assistance on the Internet (http://www.siemens.com/automation/service&support) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 46: Additional Functions

    NC contact (95-96) and closes the NO contact (97-98), thereby checking that the auxiliary circuit has been wired to the overload relay correctly. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 47 Can be found in the Chapter ... About the RESET function RESET after release (Page 77). About the test function TEST function (Page 80). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 48 Functions 5.6 Additional functions SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 49: Configuration

    Internet. Here, you can gather together all necessary products before the actual configuration process and you can realize complete projects virtually. You can find the "SIRIUS Innovations system configurator" on the Internet (http://www.siemens.com/sirius/configurators). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 50: Overload Relays In Motor Feeders

    Appropriate contactors are required to protect loads. Chapter Overview of combinable 3RT2 contactors (Page 51) provides an overview of the coordination between overload relays and contactors, along with their power ratings. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 51: Overview Of Combinable 3Rt2 Contactors

    (article no. 3ZX1012-0RA21-1AB0) provides information about the assembly of type-tested motor feeders according to IEC / EN 60947-4-1 with type of coordination 1 or 2. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 52: Normal And Heavy-Duty Starting

    (for the acceleration of large centrifuges, for example). In the case of heavy- duty starting, the cables and contactors also have to be dimensioned specifically on account of the increasing thermal load. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 53: Contactor Assembly For Star-Delta (Wye-Delta) Start

    (wye) to delta operation. These current peaks can cause an unintentional response of the ground-fault monitoring. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 54: Operation With Frequency Converters

    About the currents to be set "References" under SIRIUS Innovations manuals (Page 148) in the "SIRIUS Innovations - SIRIUS 3RV2 motor starter protectors" manual SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 55: Short-Circuit Protection

    "Configuring SIRIUS Innovations - corresponding short-circuit Selection data for load feeders in fuseless and fused designs" protective devices with overload (http://support.automation.siemens.com/WW/view/en/50250592) relays (article no.: 3ZX1012-0RA21-1AC0) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 56: Protecting Explosion-Protected Motors

    More information and certificates for download are available on the internet (http://www.siemens.com/automation/service&support). More information on explosion protection (ATEX) can be found online (http://www.siemens.com/sirius/atex). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 57: Application Environment

    Ambient temperature in °C Reduction factor applies for ... Rated current 8 ... 45 A Rated current 50 ... 80 0,94 0,97 0,87 0,94 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 58 (shipbuilding, etc.). The current list of approvals is provided in Chapter 16 of the SIRIUS IC 10 catalog. You can find more information and an option to download certificates on the internet (http://www.siemens.com/automation/service&support). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 59: Mounting

    Overload relay, stand-alone assembly Contactor + overload relay The set value is 1.1 times the motor current for a mounting position in the hatched area. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 60: Mounting/Disassembly

    This pushes the main current contacts into the corresponding socket contacts on the contactor. Screw the contacts tight. Check that the cable is clamped tight. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 61 The procedure for mounting the overload relays with ring cable lug connection system is similar to that for mounting with screw-type connection system. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 62 Overload relay disassembly, screw-type connection system Step Instructions Figure Undo the screw on the main conductor terminals. Pull the overload relay down and away from the contactor. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 63 The procedure for disassembling the overload relays with ring cable lug connection system is similar to that for disassembly with screw-type connection system. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 64 Mounting 7.3 Mounting/Disassembly SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 65: Connection

    Note Size S2 devices have degree of protection IP00 in the area of the main circuit connecting terminals. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 66: Connection Of 3Ru21 Overload Relay

    Innovations manuals (Page 148) in the "SIRIUS Innovations - System Overview" manual. about conductor cross-sections and tightening In the chapter "Technical data (Page 101)". torques SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 67: Connection Cross-Sections

    2 x (20 to 16) 2 x (18 to 14) 2 x 12 Only 1 conductor can be clamped on the stand-alone assembly support. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 68 1 x (1 to 35) mm² 2 x (18 to 2) 1 x (18 to 1) Only 1 conductor can be clamped on the stand-alone assembly support. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 69 2 x (0.5 to 2.5) mm² Finely stranded with end sleeve 1 x (0.5 to 2.5) mm² 2 x (0.5 to 1.5) mm² 2 x (20 to 14) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 70: Conductor Cross-Sections For Spring-Loaded Connection Systems

    Finely stranded without end sleeve 1 x (1.0 to 6.0) mm² Finely stranded with end sleeve 1 x (1.0 to 6.0) mm² 1 x (18 to 8) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 71 Finely stranded without end sleeve 2 x (0.25 to 1.5) mm² Finely stranded with end sleeve 2 x (0.25 to 1.5) mm² 2 x (24 to 16) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 72: Conductor Cross-Sections For Ring Cable Lug Connection System

    ● For applications according to UL 508: – DIN 46 234 (without insulating sleeve) – DIN 46225 (without insulating sleeve) – JIS CS805 (without insulating sleeve) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 73 DANGER Hazardous voltage. Will cause death or serious injury. Only use approved ring cable lugs to meet the required clearances and creepage distances. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 74 Connection 8.4 Connection cross-sections SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 75: Operation

    The figure below shows how to set the rated motor current based on the example of the 3RU21 thermal overload relay, size S0. Figure 9-1 Setting the current I SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 76: Setting The Tripping Class/Ground-Fault Detection (3Rb31)

    There are 8 possible settings: ● CLASS 5E, 10E, 20E and 30E without ground-fault detection (STANDARD) ● CLASS 5E, 10E, 20E and 30E without ground-fault detection (Gnd-FAULT) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 77: Reset After Release

    3 minutes following a current-dependent release with automatic RESET selected. Following a trip, the 3RB30/3RB31 overload relays can be immediately reset locally on the device. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 78 Figure Press the blue RESET button down with a screwdriver. Turn the blue RESET button to M (manual reset) or A (automatic reset). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 79 Reference More information ... Can be found in the Chapter ... about optional mechanical and electrical RESET Accessories (Page 83) modules SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 80: Test Function

    TEST slide is released. The relay must be reset with the RESET button if it has been set to manual RESET. Figure 9-3 Resetting following device test SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 81 The user test has been completed successfully if: ● The device trips within the maximum permissible time and ● Contact 95-96 is open (test for welding) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 82: Response Of The Auxiliary Contacts

    The table below shows how the auxiliary contacts respond when the TEST, STOP (3RU21 only), and RESET buttons are pressed. READY TEST STOP RESET NC 95/96 NO 97/98 Switch position indicator 3RB3 Switch position indicator 3RU21 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 83: Accessories

    Integrated electrical remote RESET 24 V DC ✓ Terminal cover for ring cable lug connections, ✓ compatible for use with all sizes Sealable cover ✓ ✓ ✓ SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 84: Terminal Support For Stand-Alone Assembly

    Instructions Figure Guide the overload relay into the terminal support from below. Screw the contacts tight. Check that the cables are clamped tight. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 85 Make sure that the guide tabs are inserted into the designated slots on the terminal support. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 86 Mounting the terminal support (screw-type connection system) size S2 Step Instructions Figure 1 / 2 Guide the overload relay into the terminal support from below with a swivel movement. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 87 Carefully dislodge the overload relay from the contactor. Pull the overload relay forward and away from the terminal support. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 88 Remove the terminal support with the mounted overload relay from the mounting rail with a swivel movement to the front. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 89 Pull the overload relay forward and away from the terminal support with a swivel movement. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 90: Mechanical Remote Reset

    SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 91: Mounting/Disassembly

    Attach the former to the release slide. Fit the pushbutton (3SB3000-0EA11) in the front cover. (Optional) Attach the pushbutton to the extension plunger (3SX1335). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 92: Cable Release

    The cable is available in the following lengths: ● 400 mm and ● 600 mm SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 93: Mounting/Disassembly

    Before starting work, disconnect the system and the device from the power supply. The cable pull must not come into contact with live parts. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 94 Table 10- 10 Cable release disassembly Step Instructions Figure Press the locking latch down. Tilt the module toward you and take it off the overload relay. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 95: Module For Electrical Remote Reset (3Ru21 Only)

    The electrical remote RESET module is available for the following voltages: 24 to 30 V AC/VDC • 110 to 127 V AC/VDC • 220 to 250 V AC/VDC • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 96: Mounting/Disassembly

    Table 10- 13 Disassembling the electrical remote RESET module from the thermal overload relay Step Operating instruction Figure Press the locking latch down. Tilt the module toward you and take it off the overload relay. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 97: Sealable Cover

    The sealable cover can be used to protect the rotary button for setting the rated motor current and the CO contact for the tripping classes (3RB31 only) against unauthorized manipulation. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 98: Mounting

    Attach the hooks on the cover to the openings on the overload relay and fold the cover down. Seal the cover to secure it against unauthorized removal. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 99: Covers For Ring Cable Lug Connections

    IEC 61140. Both line-side and output-side covers are available. Additional covers are not required for devices with spring-loaded and screw-type connection systems. Size S00, 3RU2116 Size S0, 3RU2126 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 100 Accessories 10.6 Covers for ring cable lug connections SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 101: Technical Data

    Enter the article number of the device in the "Product Name or Part Number" field and confirm your selection by clicking on the "Go" button. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 102 Select the "Technical Data" option box and a list of the contents of the product data sheet will appear: ● Technical data ● Approvals/Certificates ● Dimension drawing ● Wiring diagram ● Internal circuit diagram SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 103 All information on the product you have chosen is at your disposal free of charge around the clock and you always get the current version. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 104: Performance Features

    0.11 to 80 A 0.1 to 80 A Allows straightforward and consistent • configuration with one series of overload relays (for small to large loads) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 105: Protection Functions - Overview

    Eliminates the need for additional special • equipment Saves space in the control cabinet • Reduces wiring time and wiring costs • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 106: Equipment

    Spring-loaded connection system ✓ ✓ Enables fast connections • Ensures that connections are vibration- • resistant Enables maintenance-free connections • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 107: Features Of Overload Relays

    As SIRIUS 3RU21 thermal overload relays work on the basis of the bimetal principle, they do not require a control supply voltage. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 108: 3Ru21 Thermal Overload Relays

    Permissible rated current for control cabinet internal temperature • - Up to 60° C 100 (current reduction is required above +60 °C) - 60 °C to 70 °C SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 109 Remote RESET in conjunction with the appropriate accessory Auxiliary contacts 95/96 and 97/98: 8g / 11 ms. For screw and snap-on mounting onto DIN rail TH 35. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 110: Main Circuit

    25 A setting range. 440 V applies in excess of this and in the case of devices with spring-loaded connection. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 111: Main Circuit Terminals

    1 x (1 to 6) (DIN 46228 Part 1) - AWG cables, solid or stranded 1 x (20 to 12) 1 x (18 to 8) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 112 690 V operating voltage for protective separation applies to devices with screw or ring cable lug connection up to the 25 A setting range. 440 V applies in excess of this and in the case of devices with spring-loaded connection. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 113: Auxiliary Circuit

    I at U - 24 V - 110 V 0,22 - 125 V 0,22 - 220 V 0,11 Conventional thermal current I • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 114: Auxiliary Circuit Connections

    ; 2 x (0.75 to 2.5) (DIN 46228 Part 1) - AWG cables, solid or stranded 2 x (20 to 16) , 2 x (18 to 14) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 115 If two different conductor cross-sections are being connected to one clamping point, both cross-sections must be located in the range indicated. If identical cross-sections are used, this restriction does not apply. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 116: 3Ru2136 Thermal Overload Relay

    IP00 of the terminal • IP20 on the front • varification of suitability concerning ATEX on request Temperature compensation °C -40 … +60 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 117 • and auxiliary circuit in networks with non-grounded star point between • auxiliary and auxiliary circuit SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 118: Main Circuit

    Design of the thread of the connection screw for main contacts Design of screwdriver shaft 5 to 6 mm diameter size of screwdriver tip Pozidriv PZ 2 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 119: Auxiliary Circuit

    • 0.11 at 220 V • Recovery time after overload trip with automatic reset typical • with remote-reset • with manual reset • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 120: Auxiliary Circuit Connections

    You can obtain information on the safety-related data of 3RU2136 thermal overload relays from the Product Data Sheet (Page 101) or upon request from Technical Assistance (http://www.siemens.com/sirius/technical-assistance). SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 121: Mounting/Fixing/Dimensions

    Technical data - UL/CSA rated data, 3RU2136 overload relays 3RU2136-..Operating voltage according to UL 60947 rated value Contact rating designation for auxiliary contacts according B600 / R300 to UL SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 122: Rated Operating Current, Short-Circuit Protection, Tripping Class, And Active Power Loss

    Full-load current (FLA) for 3-phase motor at 480 V rated value at 600 V rated value 3RU2136-4A.. 3RU2136-4B.. 3RU2136-4D.. 3RU2136-4E.. 3RU2136-4F.. 3RU2136-4G.. 3RU2136-4H.. 3RU2136-4Q.. 3RU2136-4J.. 3RU2136-4K.. 3RU2136-4R.. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 123: 3Rb30/3Rb31 Solid-State Overload Relays

    RESET button • STOP button • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 124 Degree of protection acc. to IEC 60529 IP20 Touch protection Finger-safe Shock resistance with sine 15g / 11 ms acc. to IEC 60068-2-27 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 125 - CLASS 20E, I = 32 A, emax - CLASS 30E, I = 25 A. emax Signaling contact 97/98 in "tripped" position: 9g / 11 ms. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 126: Main Circuit

    Protective separation between main and auxiliary current paths acc. to IEC/EN 60947-1 (pollution degree 2) For networks with grounded neutral point, otherwise 600 V. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 127: Conductor Cross-Sections Main Circuit

    If two different conductor cross-sections are being connected to one clamping point, both cross-sections must be located in the range indicated. If identical cross-sections are used, this restriction does not apply. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 128: Auxiliary Circuit

    60 V 0,55 110 V 125 V 250 V 0,11 Conventional thermal current I • Short-circuit protection With fuse operating class gL/gG • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 129 Protective separation between auxiliary current paths acc. to IEC/EN 60947-1 CSA and UL rated data Auxiliary circuit – Switching capacity 3RB30: B600, R300; 3RB31: B300, R300 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 130: Conductor Cross Sections, Auxiliary Circuit

    2 x (0.25 to 1.5) sleeve - Stranded 2 x (0.25 to 1.5) - AWG cables, solid or stranded 2 x (24 to 16) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 131: 3Rb303/3Rb313 Solid-State Overload Relays

    15g / 11 ms IEC 60068-2-27 Shock resistance according to Signaling contact 97 / 98 in position "Tripped": 8g / 11 ms IEC 60068-2-27 note SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 132 2 kV (line to ground) coupling conductor-earth SURGE according to IEC 61000-4-5 Conductor-bound parasitic 1 kV (line to line) coupling conductor-conductor SURGE according to IEC 61000-4-5 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 133: Main Circuit

    250 A 3RB3.3.-.WD. 6 000 fuse gL/gG: 250 A 3RB3.3.-.WW. 6 000 fuse gL/gG: 250 A 3RB3.3.-.WX. 6 000 fuse gL/gG: 250 A SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 134: Main Circuit Terminals

    — of the connection screw for main contacts Design of screwdriver Diameter 5 to 6 mm shaft size of screwdriver Pozidriv PZ 2 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 135: Auxiliary Circuit

    • 0.11 at 220 V • Recovery time after overload trip with automatic reset typical • with remote-reset • with manual reset • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 136: Auxiliary Circuit Connections

    Design of screwdriver Diameter 5 to 6 mm shaft size of screwdriver tip Pozidriv PZ 2 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 137: Protection Function

    Operating voltage for remote-reset function for DC Reset current for remote-reset function maximum • Current only flows for 20 ms – note — typical • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 138: Mounting/Fixing/Dimensions

    • forwards • upwards • Distance, to be maintained, to earthed part downwards • backwards • sidewards • forwards • upwards • SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 139: Ul/Csa Rated Data

    B600 / R300 3RB303.-.U.. B600 / R300 3RB303.-.W.. B600 / R300 3RB313.-.Q.. B300 / R300 3RB313.-.U.. B300 / R300 3RB313.-.W.. B300 / R300 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 140: Rated Operating Current And Active Power Loss

    12.5 3RB303.-.UB. 12.5 3RB303.-.WW. 3RB303.-.WX. 3RB303.-.WD. 3RB303.-.WB. 3RB313.-.QW. 3RB313.-.QX. 3RB313.-.QB. 3RB313.-.QD. 3RB313.-.UW. 12.5 3RB313.-.UX. 12.5 3RB313.-.UB. 12.5 3RB313.-.UD. 12.5 3RB313.-.WW. 3RB313.-.WX. 3RB313.-.WD. 3RB313.-.WB. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 141: Circuit Diagrams

    Enter the article number of the device in the "Article number" field and, in the "Type of object" selection menu on the left-hand side, select "Unit wiring diagram". Figure 12-1 Image database SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 142 Figure 12-3 Thermal overload relay, spring-loaded connection system, S00 3RU2126-..Figure 12-4 Thermal overload relay, S0 3RU2136-..Figure 12-5 Thermal overload relay, S2 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 143 3RB30 solid-state overload relay, spring-loaded connection system, S00 3RB3026-..Figure 12-8 3RB30 solid-state overload relay, S0 3RB3036-..Figure 12-9 3RB30 solid-state overload relay, S2 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 144 Figure 12-11 3RB31 solid-state overload relay, spring-loaded connection system, S00 3RB3123-..Figure 12-12 3RB31 solid-state overload relay, S0 3RB3133-..Figure 12-13 3RB31 solid-state overload relay, S2 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 145: Types Of Coordination

    The load feeder can resume operation without needing to be renewed. Welding of the contactor contacts only is permitted if these can be separated easily without significant deformation. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 146 Types of coordination SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 147: References

    SIRIUS thermal overload relay S2 (3RU2136) 3ZX1012-0RU21-3AA1 SIRIUS solid-state overload relay S00/S0 (3RB301 and 3RB311/3RB302 and 3RB312) 3ZX1012-0RB30-1AA1 SIRIUS solid-state overload relay S2 (3RB303 and 3RB313) 3ZX1012-0RB30-3AA1 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 148: Sirius Innovations Manuals

    • (http://support.automation.siemens.com/WW/view/en/60298164) manual (Article number: 3ZX1012-0RU20-5AC1) 3RB24 solid-state overload relays "3RB24 Solid-State Overload Relay for IO-Link" • • (http://support.automation.siemens.com/WW/view/en/46165627) manual (Article number: 3ZX1012-0RB24-0AC0) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 149 • (http://support.automation.siemens.com/WW/view/en/39319600) manual (Article number: 3ZX1012-0RA27-1AC1) 4SI SIRIUS electronic module "4SI SIRIUS Electronic Module (3RK1005-0LB00-0AA0)" • • (3RK1005-0LB00-0AA0)" (http://support.automation.siemens.com/WW/view/en/37856470) manual (Article number: 3ZX1012-0LB00-0AA1) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 150: More Information

    You can access our Service & Support Portal on the Internet (www.siemens.com/industrial-controls/technical-assistance). You can also submit your question directly to a technical consultant using our support request service. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 151: Dimension Drawings (Dimensions In Mm)

    Dimension drawings for 3RU21 thermal overload relays 3RU2116-..B0 (S00, screw connection, contactor mounting) Figure C-1 3RU2116-..B0 3RU2116-4.B1 (S00, screw connection, mounting on stand-alone assembly support) Figure C-2 3RU2116-4.B1 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 152 C.1 Dimension drawings for 3RU21 thermal overload relays 3RU2116-..C0 (S00, spring-loaded connection, contactor mounting) Figure C-3 3RU2116-..C0 3RU2116-..C1 (S00, spring-loaded connection, mounting on stand-alone assembly support) Figure C-4 3RU2116-..C1 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 153 AC: 92; DC/UC: 102 AC: 34; DC/UC: 44 Figure C-5 3RU2126-..B0 3RU2126-4.B1 (S0, screw connection, mounting on stand-alone assembly support) Figure C-6 3RU2126-4.B1 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 154 AC: 93; DC/UC: 103 AC: 76; DC/UC: 86 Figure C-7 3RU2126-..C0 3RU2126-4.C1 (S0, spring-loaded connection, mounting on stand-alone assembly support) Figure C-8 3RU2126-4.C1 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 155 3RU2136-..B0 (S2, screw connection, contactor mounting) Figure C-9 3RU2136-..B0 3RU2136-..B1 (S2, screw connection, mounting on stand-alone assembly support) Figure C-10 3RU2136-..B1 and 3RU2936-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 156 3RU2136-..D0 (S2, spring-loaded connection, contactor mounting) Figure C-11 3RU2136-..D0 3RU2136-..D1 (S2, spring-loaded connection, mounting on stand-alone assembly support) Figure C-12 3RU2136-..D1 and 3RU2936-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 157: Dimension Drawings For 3Rb30/3Rb31 Solid-State Overload Relays

    3RB3.1.-..B0 (S00, screw connection, mounting on stand-alone assembly support) Figure C-14 3RB3.1.-..B0 and 3RU2916-3AA01 3RB3.1.-..E0 (S00, spring-loaded connection, contactor mounting) Figure C-15 3RB3.1.-..E0 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 158 3RB3.2.-..B0 (S0, screw connection, contactor mounting) AC: 87; DC/UC: 97 Figure C-17 3RB3.2.-..B0 3RB3.2.-..B0 (S0, screw connection, mounting on stand-alone assembly support) Figure C-18 3RB3.2.-..B0 and 3RU2926-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 159 AC: 93; DC/UC: 103 AC: 88; DC/UC: 98 Figure C-19 3RB3.2.-..E0 3RB3.2.-..E0 (S0, spring-loaded connection, mounting on stand-alone assembly support) Figure C-20 3RB3.2.-..E0 and 3RU2926-3AC01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 160 3RB3.3.-..B0 (S2, screw connection, contactor mounting) Figure C-21 3RB3.3.-..B0 3RB3.3.-..B0 (S2, screw connection, mounting on stand-alone assembly support) Figure C-22 3RB3.3.-..B0 and 3RU2936-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 161 3RB3.3.-..D0 (S2, spring-loaded connection, contactor mounting) Figure C-23 3RB3.3.-..D0 3RB3.3.-..D0 (S2, spring-loaded connection, mounting on stand-alone assembly support) Figure C-24 3RB3.3.-..D0 and 3RU2936-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 162 Dimension drawings (dimensions in mm) C.2 Dimension drawings for 3RB30/3RB31 solid-state overload relays 3RB3.3.-..W. (S2, screw connection, through-hole technology) Figure C-25 3RB3.3.-..W. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 163 Dimension drawings (dimensions in mm) C.3 3RT2 contactors drilling plan 3RB3.3.-..X. (S2, spring-loaded connection, through-hole technology) Figure C-26 3RB3.3.-..X. SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 164: 3Rt2 Contactors Drilling Plan

    Figure C-27 Drilling plan for contactors with screw-type connections and ring cable lug connections (size S00) Drilling plan for 3RT2.1.-2 contactors Figure C-28 Drilling plan for contactors with spring-loaded connections (size S00) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 165 Figure C-29 Drilling plan for 3RT2.2. contactors (size S0) Drilling plan for 3RT2.3. contactors Figure C-30 Drilling plan for 3RT2.3. contactors (size S2) SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 166: Dimension Drawings And Drilling Plan For 3Ru29.6 Stand-Alone Assembly Supports

    C.4 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports 3RU2916-3AA01 (S00, screw connection) Figure C-31 3RU2916-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 167 Dimension drawings (dimensions in mm) C.4 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports 3RU2916-3AC01 (S00, spring-loaded connection) Figure C-32 3RU2916-3AC01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 168 C.4 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports 3RU2926-3AA01 (S0, screw connection) Figure C-33 3RU2926-3AA01 3RU2926-3AC01 (S0, spring-loaded connection) Figure C-34 3RU2926-3AC01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 169 Dimension drawings (dimensions in mm) C.4 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports 3RU2936-3AA01 (S2, screw connection) Figure C-35 3RU2936-3AA01 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 170 Dimension drawings (dimensions in mm) C.4 Dimension drawings and drilling plan for 3RU29.6 stand-alone assembly supports SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 171: Correction Sheet

    I IA CE MK&ST 3 Company/Department 92220 Amberg/Germany Address _________________________________________________________________________________ Fax: +49 (0)9621-80-3337 Manual title: Table D- 1 Errors, comments, and suggestions for improvements SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 172 Correction sheet SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...

  • Page 173: Index

    Overload relay, 43, 53 Correction sheet, 171 Heavy-duty starting Corrections, 16 Overload relay, 38, 52 Cover for ring cable lug Overload relay, 99 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 174 Overload relay, 90, 91 Types of coordination, 145 RESET Overload relay, 51, 55 Overload relay, 46, 77, 78 Ring cable lug connection system, 72 SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays Manual, 09/2014, A5E03656507420A/RS-AA/002...
  • Page 176 Contact for all technical information: Technical Assistance Tel.: +49 (911) 895-5900 e-mail: technical-assistance@siemens.com www.siemens.com/sirius/technical-assistance Siemens AG Subject to change without prior notice Industry Sector 3ZX1012-0RU20-5AC1 Postfach 23 55 90713 FUERTH © Siemens AG 2011 GERMANY Industrial Controls SIRIUS www.siemens.com/automation...

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