Siemens SIPROTEC 7XR81 Manual
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Siemens SIPROTEC 7XR81 Manual

Coupling units for generator protection
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SIPROTEC
Coupling Units
for Generator Protection
7XR81, 7XR87, 7XR86,
7XR8004
Manual
C53000-H5040-C072-1
Preface
Table of Contents
7XR81 – Coupling Device
for Rotor Ground-Fault Protection
7XR8004 – Resistor Coupling Unit
for 7XT71
7XR86 Voltage Divider (5:1, 5:2)
7XR87 Voltage Divider for Excitation
Voltage
Commissioning and Maintenance
Index
1
2
3
4
A

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Summary of Contents for Siemens SIPROTEC 7XR81

  • Page 1 Preface Table of Contents 7XR81 – Coupling Device for Rotor Ground-Fault Protection 7XR8004 – Resistor Coupling Unit SIPROTEC for 7XT71 Coupling Units 7XR86 Voltage Divider (5:1, 5:2) for Generator Protection 7XR87 Voltage Divider for Excitation Voltage 7XR81, 7XR87, 7XR86, 7XR8004 Commissioning and Maintenance Index Manual...
  • Page 2 Although including rights created by patent grant or registration of a Siemens AG has made best efforts to keep the document as utility model or a design, are reserved. precise and up-to-date as possible, Siemens AG shall not...

  • Page 3: Preface

    EN 60255-27, EN 60255-26, EN 50581. RoHS directive 2011/65/EU is met using the standard EN 50581 [7XR86, 7XR81, 7XR8004, 7XR87]. Additional Support For questions about the system, please contact your Siemens sales partner. Support Our Customer Support Center provides a 24-hour service. Phone:...
  • Page 4 Phone: +49 (911) 433-7415 Fax: +49 (911) 433-7929 E-Mail: poweracademy@siemens.com Internet: www.siemens.com/poweracademy Notes on Safety This document is not a complete index of all safety measures required for operation of the equipment (module or device). However, it comprises important information that must be followed for personal safety, as well as to avoid material damage.
  • Page 5 The equipment (device, module) may be used only for such applications as set out in the catalogs and the technical description, and only in combination with third-party equipment recommended and approved by Siemens. Problem-free and safe operation of the product depends on the following: •...
  • Page 6 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 7: Table Of Contents

    Table of Contents Preface................................3 7XR81 – Coupling Device for Rotor Ground-Fault Protection..............11 Block Diagram........................12 Connection Notes......................13 1.2.1 Overview........................13 1.2.2 Connection Data for Terminal B................... 13 1.2.3 Connection Data for Terminal A................... 13 Construction Properties..................... 15 1.3.1 Mechanical Structure....................15 1.3.2 Dimensions.........................
  • Page 8 Table of Contents 2.3.2 Dimensions......................... 29 2.3.2.1 Panel Surface Mounting..................29 2.3.3 Connection Examples....................29 Technical Data........................32 2.4.1 Load Capability of the Capacitive Coupling Circuit............32 2.4.2 Weight........................32 Electrical Tests........................33 2.5.1 Standards........................33 2.5.2 Installation Requirements.................... 33 2.5.3 Insulation and Safety Tests..................
  • Page 9 Table of Contents Construction Properties..................... 52 4.3.1 Mechanical Structure....................52 4.3.2 Dimensions......................... 53 4.3.2.1 Panel Surface Mounting..................53 4.3.2.2 Panel Flush Mounting.....................54 Technical Data........................55 4.4.1 Load Capability of the Voltage Divider................55 4.4.2 Weight........................55 Electrical Tests........................56 4.5.1 Standards........................
  • Page 10 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 11: 7Xr81 - Coupling Device For Rotor Ground-Fault Protection

    7XR81 – Coupling Device for Rotor Ground-Fault Protection The 7XR81 coupling unit is the necessary accessory for the rotor ground-fault protection with the 7UM62/7UM85 machine protection relays. This device replaces the previous 7XR6100-0*A00 coupling unit and the 3PP1336-0DZ series resistor in one device.

  • Page 12: Block Diagram

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.1 Block Diagram Block Diagram [dw_7xr81 block diagram, 1, en_US] Figure 1-1 Block Diagram of the 7XR81 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 13: Connection Notes

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.2 Connection Notes Connection Notes Overview 1.2.1 The device has 2 terminal blocks: Terminal Block B for connecting the device to the generator's rotor circuit and Terminal Block A for connecting the device to the protection relay and the AC signal source. Follow these recommendations: •...
  • Page 14 7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.2 Connection Notes [dw_7xr81 st 12-pin terminal B, 1, en_US] Figure 1-2 Screw-type 12-pin Terminal A Block If you use fork-type cable lugs or connector sleeves, the crimp zone must be insulated to comply with the required insulating clearance.

  • Page 15: Construction Properties

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.3 Construction Properties Construction Properties Mechanical Structure 1.3.1 [3d_mechstruct_7xr81, 1, --_--] Figure 1-3 Mechanical Design of the 7XR81 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 16: Dimensions

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.3 Construction Properties Dimensions 1.3.2 1.3.2.1 Panel Surface Mounting [dw_7xr81-6, 1, en_US] Figure 1-4 7XR81 Surface Mounting Dimensions SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 17: Panel Flush Mounting

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.3 Construction Properties 1.3.2.2 Panel Flush Mounting [dw_7xr81-8, 1, en_US] Figure 1-5 7XR81 Panel Mounting Dimensions SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 18: Connection Examples

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.4 Connection Examples Connection Examples [dw_7xr81 connection examples, 1, en_US] Figure 1-6 Connection Example for 7XR81 Refer to the user manual of the 7UM62/7UM85 protection relay for details on commissioning the coupling unit.

  • Page 19: Technical Data

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.5 Technical Data Technical Data Auxiliary Voltage and Output Ratings 1.5.1 Terminals 1A – 2A Terminals 2A – 3A Rated auxiliary voltage 100 to 125 V AC, 50/60 Hz (1) 230 V AC, 50/60 Hz (2) Permissible auxiliary voltage 80 to 144 V AC, 45 to 65 Hz 176 to 265 V AC, 45 to 65 Hz...

  • Page 20: Electrical Tests

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.6 Electrical Tests Electrical Tests Standards 1.6.1 IEC 60255 (product standard) Additional standards are listed for the individual tests. Installation Requirements 1.6.2 Overvoltage category Degree of pollution Protection class Insulation and Safety Tests 1.6.3 Standards IEC 60255-27...

  • Page 21: Mechanical Tests

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.7 Mechanical Tests Mechanical Tests Vibration and Shock Stress in Stationary Use 1.7.1 Standards IEC 60255-21 and IEC 60068 Vibration Test (sinusoidal) Sinusoidal 10 Hz to 60 Hz: ± 0.075 mm IEC 60255-21-1, class 2 and Amplitude 60 Hz to 150 Hz;...

  • Page 22: Environmental Conditions

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.8 Environmental Conditions Environmental Conditions Temperatures 1.8.1 Type test, in operation -25 °C to +85 °C (in compliance with IEC 60068-2-1 and IEC 60068-2-2, test Ad for 16 h and test Bd Recommended for uninterrupted duty -10 °C to +55 °C (in compliance with IEC 60255-1)

  • Page 23: Protection Degree According To Iec 60529

    7XR81 – Coupling Device for Rotor Ground-Fault Protection 1.9 Protection Degree according to IEC 60529 Protection Degree according to IEC 60529 For the equipment IP20 For personal protection IP2x To meet IP2x on Terminal B, additional measures have to be taken. After installation of the cables, the terminal has to be properly covered using an insulating material to avoid direct contact to the screws (e.g.
  • Page 24 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 25: 7Xr8004 - Resistor Coupling Unit For 7Xt71

    7XR8004 – Resistor Coupling Unit for 7XT71 The 7XR8004 resistor coupling unit is the necessary accessory for the 1 to 3 Hz rotor ground-fault protection together with the 7XT71 (1 to 3 Hz) generator and the 7UM62/7UM85 machine protection relays. This device replaces the previous 7XR6004-0*A00 resistor unit, allowing higher excitation voltages at a reduced size.

  • Page 26: Block Diagram (New 7Xr8004)

    7XR8004 – Resistor Coupling Unit for 7XT71 2.1 Block Diagram (new 7XR8004) Block Diagram (new 7XR8004) [dw_7xr8004 block diagram, 1, en_US] Figure 2-1 Block Diagram of the 7XR8004 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 27: Connection Notes

    7XR8004 – Resistor Coupling Unit for 7XT71 2.2 Connection Notes Connection Notes Overview 2.2.1 Follow these recommendations: • Ground the device at grounding areas on the top and on the side (M4 screws) on the top and on the side (M4 screws) with low resistance and low inductance connection.

  • Page 28: Construction Properties

    7XR8004 – Resistor Coupling Unit for 7XT71 2.3 Construction Properties Construction Properties Mechanical Structure 2.3.1 [3d_mechstruct_7xr8004, 1, --_--] Figure 2-3 Mechanical Design of the 7XR8004 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 29: Dimensions

    7XR8004 – Resistor Coupling Unit for 7XT71 2.3 Construction Properties Dimensions 2.3.2 2.3.2.1 Panel Surface Mounting [dw_7xr8004 dimensions, 1, --_--] Figure 2-4 7XR8004 Dimensions Connection Examples 2.3.3 The 7XR8004 replaces the old 7XR6004. The electrical design stayed basically the same, but only one connec- tion option is supported (2 x 40 KΩ).
  • Page 30 7XR8004 – Resistor Coupling Unit for 7XT71 2.3 Construction Properties [dw_7xr8004 connex1, 1, en_US] Figure 2-5 Connection Example for Excitation fed via Slip Rings NOTE Test Switch: Refer to the functional description in the 7UM62/7UM85 user manual. 7XT71: For connection of the 7XT71 to the devices, refer to the 7XT71 user manual. Grounding Brush: Connect to the grounding brush on the shaft.
  • Page 31 7XR8004 – Resistor Coupling Unit for 7XT71 2.3 Construction Properties NOTE The recommended maximum cable length is 20 m (65 ft.). NOTE The fuse F1 must have at least the rated voltage of excitation (e.g. 2000 V DC) and be rated for 0.1 A T (time-lag).

  • Page 32: Technical Data

    7XR8004 – Resistor Coupling Unit for 7XT71 2.4 Technical Data Technical Data Load Capability of the Capacitive Coupling Circuit 2.4.1 Description Value Max. permissible continuous voltage 2000 V RMS (3500 V (2 x 40 kΩ between terminal 1B and 2B) Max.

  • Page 33: Electrical Tests

    7XR8004 – Resistor Coupling Unit for 7XT71 2.5 Electrical Tests Electrical Tests Standards 2.5.1 IEC 60255 (product standard) Additional standards are listed for the individual tests. Installation Requirements 2.5.2 Overvoltage category Degree of pollution Protection class Insulation and Safety Tests 2.5.3 Standards IEC 60255-27...

  • Page 34: Mechanical Tests

    7XR8004 – Resistor Coupling Unit for 7XT71 2.6 Mechanical Tests Mechanical Tests 1.7 Mechanical Tests for 7XR81. SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 35: Environmental Conditions

    7XR8004 – Resistor Coupling Unit for 7XT71 2.7 Environmental Conditions Environmental Conditions Temperatures 2.7.1 Type test, in operation -25 °C to +85 °C (in compliance with IEC 60068-2-1 and IEC 60068-2-2, test Ad for 16 h and test Bd Recommended for uninterrupted duty -10 °C to +55 °C (in compliance with IEC 60255-1) Temperatures for continuous storage...

  • Page 36: Protection Degree According To Iec 60529

    7XR8004 – Resistor Coupling Unit for 7XT71 2.8 Protection Degree according to IEC 60529 Protection Degree according to IEC 60529 For the equipment IP30 For personal protection IP3x SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 37: 7Xr86 Voltage Divider (5:1, 5:2)

    7XR86 Voltage Divider (5:1, 5:2) The 7XR86 coupling unit is used for the 90%-stator ground-fault protection with the 7UM62/7UM85 machine protection relays. This device replaces the previous 3PP1336-1CZ-K2Y (5:1, 5:2 voltage divider) resistor unit. The 7XR86 has the same construction like the 7XR8004. Only the resistors of the 7XR8004 have been replaced.

  • Page 38: Block Diagram

    7XR86 Voltage Divider (5:1, 5:2) 3.1 Block Diagram Block Diagram [dw_7xr86 block diagram, 1, en_US] Figure 3-1 Block Diagram of the new 7XR86 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 39: Connection Notes

    7XR86 Voltage Divider (5:1, 5:2) 3.2 Connection Notes Connection Notes Refer to the connection notes of the 7XR8004 (Connection via Ring-Type Lugs (M5), Page 27) for details on cables and ring-type lugs. The following diagram shows a connection example of the voltage divider. [dw_7xr86 connection examples, 1, en_US] Figure 3-2 7XR86 Connection Example...

  • Page 40: Construction Properties

    7XR86 Voltage Divider (5:1, 5:2) 3.3 Construction Properties Construction Properties Mechanical Structure 3.3.1 2.3.1 Mechanical Structure of 7XR8004. Dimensions 3.3.2 3.3.2.1 Panel Surface Mounting 2.3.2.1 Panel Surface Mounting of 7XR8004. SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 41: Technical Data

    7XR86 Voltage Divider (5:1, 5:2) 3.4 Technical Data Technical Data Load Capability of the Voltage Divider 3.4.1 Terminals 1B – 4B Max. permissible continuous voltage 55 V AC Continuous output power 2 W Max. permissible voltage (60 s) 550 V AC Max.

  • Page 42: Electrical Tests

    7XR86 Voltage Divider (5:1, 5:2) 3.5 Electrical Tests Electrical Tests Standards 3.5.1 IEC 60255 (product standard) Additional standards are listed for the individual tests. Installation Requirements 3.5.2 Overvoltage category Degree of pollution Protection class Insulation and Safety Tests 3.5.3 Standards IEC 60255-27 Voltage test (routine test) AC 3.5 kV, 50 Hz, 1 min...

  • Page 43: Mechanical Tests

    7XR86 Voltage Divider (5:1, 5:2) 3.6 Mechanical Tests Mechanical Tests 1.7 Mechanical Tests for 7XR81. SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 44: Environmental Conditions

    7XR86 Voltage Divider (5:1, 5:2) 3.7 Environmental Conditions Environmental Conditions Temperatures 3.7.1 Type test, in operation -25 °C to +85 °C (in compliance with IEC 60068-2-1 and IEC 60068-2-2, test Ad for 16 h and test Bd Recommended for uninterrupted duty -10 °C to +55 °C (in compliance with IEC 60255-1) Temperatures for continuous storage...

  • Page 45: Protection Degree According To Iec 60529

    7XR86 Voltage Divider (5:1, 5:2) 3.8 Protection Degree according to IEC 60529 Protection Degree according to IEC 60529 For the equipment IP30 For personal protection IP3x SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...
  • Page 46 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 47: 7Xr87 Voltage Divider For Excitation Voltage

    7XR87 Voltage Divider for Excitation Voltage The 7XR87 coupling unit is used for interfacing the excitation voltage of a generator to the DC measurement inputs of the 7UM62/7UM85 machine protection relays. The 7XR87 allows the application of different voltage-divider ratios. Thus, an optimal adaption of the protec- tion on different excitation voltages is possible.

  • Page 48: Block Diagram

    7XR87 Voltage Divider for Excitation Voltage 4.1 Block Diagram Block Diagram [dw_7xr87 block diagram, 1, en_US] Figure 4-1 Block Diagram of the 7XR87 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 49: Connection Notes

    7XR87 Voltage Divider for Excitation Voltage 4.2 Connection Notes Connection Notes Overview 4.2.1 The 7XR87 replaces the 3PP1326 voltage divider. The electrical design was changed compared to the 3PP1326 in order to provide additional divider ratios for higher excitation voltages. The device provides 6 different voltage dividers ordered in 2 groups with 3 dividers each: •...

  • Page 50: Connection Data For Terminal A And B

    7XR87 Voltage Divider for Excitation Voltage 4.2 Connection Notes [dw_7xr81 high voltage terminal B, 1, en_US] Connection via Ring-Type Lugs (M6) • Wire cross-section: 1.0 mm to 2.6 mm resp. AWG 16 to AWG 14 • Stripping length: L = 9 mm (0.35 in) or L = 10 mm (0.39 in) •...
  • Page 51 7XR87 Voltage Divider for Excitation Voltage 4.2 Connection Notes • The stripping length for use without bootlace ferrule is 10 mm to 12 mm (0.39 inch to 0.47 inch). • The ferrule length (clamping section) of the bootlace ferrule is minimum 10 mm (0.39 inch) (e.g. DIN 46228-E1,5-10).
  • Page 52 7XR87 Voltage Divider for Excitation Voltage 4.3 Construction Properties Construction Properties Mechanical Structure 4.3.1 [3d_mechstruct_7xr87, 1, --_--] Figure 4-5 Mechanical Design of the 7XR87 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...
  • Page 53 7XR87 Voltage Divider for Excitation Voltage 4.3 Construction Properties Dimensions 4.3.2 4.3.2.1 Panel Surface Mounting [dw_7xr87 dimensions panel, 1, en_US] Figure 4-6 7XR87 Surface Mounting Dimensions SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...
  • Page 54 7XR87 Voltage Divider for Excitation Voltage 4.3 Construction Properties 4.3.2.2 Panel Flush Mounting [dw_7xr87 dimensions flush, 1, en_US] Figure 4-7 7XR87 Flush Mounting Dimensions SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...
  • Page 55 7XR87 Voltage Divider for Excitation Voltage 4.4 Technical Data Technical Data Load Capability of the Voltage Divider 4.4.1 Description Value Max. permissible continuous voltage 2000 V DC (Terminal C); 1500 V DC (UL) 600 V DC (Terminal B) Max. dissipated power 3.5 W Weight 4.4.2...
  • Page 56 7XR87 Voltage Divider for Excitation Voltage 4.5 Electrical Tests Electrical Tests Standards 4.5.1 IEC 60255 (product standard) Additional standards are listed for the individual tests. Installation Requirements 4.5.2 Overvoltage category Degree of pollution Protection class Insulation and Safety Tests 4.5.3 Standards IEC 60255-27 Voltage test (routine test)
  • Page 57 7XR87 Voltage Divider for Excitation Voltage 4.6 Mechanical Tests Mechanical Tests 1.7 Mechanical Tests for 7XR81. SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...
  • Page 58 7XR87 Voltage Divider for Excitation Voltage 4.7 Environmental Conditions Environmental Conditions Temperatures 4.7.1 Type test, in operation -25 °C to +85 °C (in compliance with IEC 60068-2-1 and IEC 60068-2-2, test Ad for 16 h and test Bd Recommended for uninterrupted duty -10 °C to +55 °C (in compliance with IEC 60255-1) Temperatures for continuous storage...
  • Page 59 7XR87 Voltage Divider for Excitation Voltage 4.8 Protection Degree according to IEC 60529 Protection Degree according to IEC 60529 For the equipment IP20 For personal protection IP2x To meet IP2x on Terminal B, additional measures have to be taken. After installation of the cables, the terminal has to be properly covered using an insulating material to avoid direct contact to the screws (e.g.
  • Page 60 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...
  • Page 61 Commissioning and Maintenance Unpacking a Device Commissioning Storing a Device Repacking a Device Returning a Device Environmental Protection Hints SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 62: Commissioning And Maintenance

    Commissioning and Maintenance A.1 Unpacking a Device Unpacking a Device Devices are tested prior to delivery. Devices are packed on site in a way that meets the requirements of standard ISO 2248. How to procede Check the packing for external transport damage. Damaged packing may indicate that the devices inside ²...

  • Page 63: Commissioning

    Commissioning and Maintenance A.2 Commissioning Commissioning How to procede Commissioning and installation have to be executed according to the user manual. ² During installation of a device, the generator, its accessories and the secondary devices – like the protec- ² tion relays –...

  • Page 64: Storing A Device

    The relative humidity must be at a level where condensate and ice is prevented from forming. ² Siemens recommends that you observe a restricted storage temperature range of +10 °C to +35 °C (50 °F ² to 95 °F), in order to prevent the capacitors used in the power supply from aging prematurely.

  • Page 65: Repacking A Device

    Commissioning and Maintenance A.4 Repacking a Device Repacking a Device How to procede If you store devices after incoming inspection, pack them in suitable storage packaging. ² If devices are to be transported, pack them in transport packing. ² Put the accessories supplied in the packing with the device. ²...

  • Page 66: Returning A Device

    – with the designated transport safety devices. Pack the defective device (refer to A.4 Repacking a Device). ² Return all of the defective device to your Siemens sales partner. ² SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 67: Environmental Protection Hints

    Our products and batteries must not be disposed of as household waste. For disposing batteries it is neces- sary to observe the local national/international directives. REACH/RoHS Declaration You can find our current REACH/RoHS declarations at: https://www.siemens.com/global/en/home/products/energy/ecotransparency/ecotransparency-down- loads.html NOTE You can find more information about activities and programs to protect the climate at the EcoTransparency website: https://www.siemens.com/global/en/home/products/energy/ecotransparency.html...
  • Page 68 SIPROTEC, Coupling Units for Generator Protection, Manual C53000-H5040-C072-1, Edition 09.2018...

  • Page 69: Index

    Index 1,2,3 ... Connection notes 27 Electrical tests 33 Environmental conditions 35 7XR81 Mechanical structure 28 Block diagram 12 Mechanical tests 34 Connection Data Terminal A 13 Ordering information 25 Connection Data Terminal B 13 Panel surface mounting 29 Connection examples 18 Technical data 32 Connection notes 13 7XR8004 –...
  • Page 70 Index 7XR81 20 7XR86 42 7XR87 56 Storing 64 7XR8004 33 Environmental conditions 7XR81 22 7XR86 44 7XR87 58 7XR8004 35 Technical data 7XR81 19 7XR86 41 7XR87 55 7XR8004 32 Mechanical structure 7XR81 15 7XR86 40 7XR87 52 7XR8004 28 Unpacking 62 Mechanical tests 7XR81 21...

This manual is also suitable for:

Siprotec 7xr87Siprotec 7xr86Siprotec 7xr8004

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