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ABB Sace Emax UL Listed Installation, Service And Maintenance Instructions
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ABB Sace Emax UL Listed Installation, Service And Maintenance Instructions

Low voltage air power circuit breaker
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Installation and service
instructions
RH0109002
L2275
ABB SACE
Courtesy of NationalSwitchgear.com
Installation, service and maintenance
instructions for low voltage air power circuit
breakers
Emax UL Listed

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Summary of Contents for ABB Sace Emax UL Listed

  • Page 1 Installation, service and maintenance Installation and service instructions for low voltage air power circuit instructions breakers Emax UL Listed RH0109002 L2275 ABB SACE Courtesy of NationalSwitchgear.com...
  • Page 2 Dis. Uff. Resp. Title Lingua Installation, service and maintenance instructions for low voltage air power App. Uff. Utilizz. circuit breakers L2275 Model Scale Apparatus Emax UL N° Doc. ABB SACE RH0109002 Courtesy of NationalSwitchgear.com...
  • Page 3 12.11 Accessories ..............« 33 Closing and opening operations of the 12.11.1 ABB SACE TT1 simple test unit ........« 33 power circuit breaker ........... « 15 12.11.2 ABB SACE PR010/T complex test unit ....... « 33 Racking-in/out operation ..........« 16 12.12...
  • Page 4 15.4.1 Menus ................« 83 13.18 Accessories ..............« 53 15.4.2 Modification of parameters .......... « 85 13.18.1 ABB SACE PR010/T complex test unit ....... « 53 15.4.3 Signals ................« 90 13.18.2 ABB SACE PR020/K signaling unit ......« 53 15.5 Troubleshooting ............
  • Page 5 SACE PR113/PD-A Trip unit – Identification .............. « 100 16.1 Standard ............... «100 16.2 Safety notes ..............«100 16.3 Various notes ............... «100 16.4 Specifications ............... «100 16.4.1 General ................. «100 16.4.2 Inputs / outputs ............«101 16.4.3 Communication bus ............. « 101 16.4.4 Information functions ...........
  • Page 6 Description General characteristics The SACE Emax series of power circuit breakers are made up of a steel sheet structure which houses the operating mechanism, the poles and the auxiliary parts. Each pole, insulated from the others, contains the interrupting parts and the current transformer of the corresponding phase. The structure of the poles differs according to whether the power circuit breaker is selective or current limiting.
  • Page 7 1.5 Cradle construction characteristics 1 Supporting structure made of steel sheet 2 Grounding pliers (a: for all versions; b: for E4 and E6) 3 Safety shutters (IP20 degree of protection) Insulating terminal support base 5 Terminals 6 Contacts for signaling connected/test con- nected/disconnected (on request) 7 Sliding contacts 8 Padlock for safety shutters (on request)
  • Page 8 With regard to lifting, follow these instructions: the power circuit breakers must be placed on a sturdy resting surface and lifted, preferably by means of a special fork-lift truck. However, the use of ropes is allowed. In this case, the lifting ropes must be hooked up as shown in the figures (the lifting plates are always supplied with the power circuit breaker).
  • Page 9 Installation of the cradle (Fig. 12b) Fix the cradle by means of the screws (1), washers (2) and nuts (3) (M8 x 16), supplied by ABB SACE. If other screws are used, check that the head of the screws does not extend more than 5.5 mm (0.22 inches) from the base of the cradle.
  • Page 10 Installation of the flange on the compartment door (Fig. 9) – Make the compartment door mounting holes foreseen in the “Overall dimensions” paragraph. – Apply the flange (1) onto the front of the compartment door, fixing it from the inside by means of the self-threading screws (2). Note (*) For the E1-E2 and E3 cradles, there are four fixing points, whereas...
  • Page 11 5.1.2 Examples of positioning the connection busbars according to the types of terminals The connection busbars allow connection between the terminals of the power circuit breakers and the busbars of the switchgear. Their sizing must be carefully studied by the switchgear designer. Some examples of possible constructions in relation to the shape and size of the power circuit breaker terminals are given in this paragraph.
  • Page 12 5.1.3 Assembly procedures for the connection busbars Check the state of the contact surfaces of the connections very carefully: these must be very clean and free of burrs, dents or traces of oxidation, which must be eliminated using a fine file or an emery cloth to prevent localized increases in temperature. On completion of the operation, remove all traces of grease or dust with a cloth soaked in a suitable solvent.
  • Page 13 5.3.2 Draw out power circuit breaker For connection of the moving part to the auxiliary circuits, a connector with sliding contacts is available on the cradle (see figure), identified by code X on the electrical circuit diagram. There is immediate access to the terminals of the fixed connector when the compartment door is open. Furthermore, for connection of the position contacts of the moving part in relation to the cradle, a terminal box is available, identified by code XF.
  • Page 14 Conversion of the auxiliary or position contacts from normally closed (opening) to normally open (closing) or vice versa The contacts are cabled in the factory as is shown on the electrical circuit diagram. Should it be necessary to modify the state for installation requirements, proceed as follows.
  • Page 15 Putting into service 6.1 General procedures – Check tightening of the power connections at the power circuit breaker terminals – Carry out all the preparation operations of the trip unit – Check that the value of the auxiliary circuit power supply voltage is between 85 and 110% of the rated voltage of the electrical applications –...
  • Page 16 Instructions for use Operating and signaling parts 1 Pushbutton for the manual opening operation 2 Lever for manual charging of the closing springs 3 Mechanical indicator for power circuit breaker open “O” and closed “I” 4 Mechanical indicator for trip unit tripped (on request) 5 Pushbutton for the manual closing operation 6 Signaling device for springs charged - discharged 7 Operation counter (on request)
  • Page 17 7.2 Closing and opening operations of the power circuit breaker Operation of the power circuit breaker can be either manual or electrical. a ) Manual charging operation of the closing springs – Make sure that the indicator (3) shows "O" (circuit-breaker open) –...
  • Page 18 Racking-in/out operation WARNINGS A) Open the power circuit breaker before carrying out any racking-in/out operation. B) The power circuit breaker (moving part) and cradle are fitted with a lock which prevents the cradle being racked into power circuit breakers with a different continuous current rating: congruence of the anti-racking-in lock must be checked by the operator before carrying out the racking- in operation to avoid any unnecessary stress.
  • Page 19 b) Passing from the DISCONNECTED position to the TEST ISOLATED position. Make sure that the indicator (9) is in the DISCONNECTED position. For the connection operation, make sure that the key (12) is in the correct position and/or the padlock (14) has been removed (if present). Make sure that the power circuit breaker is open.
  • Page 20 With regular maintenance, SACE Emax power circuit breakers, either with or without geared motor, can sustain the following operation cycles without replacement of parts. Power circuit breaker Mechanical life (*) Electrical life (*) N° of operations Frequency N° of operations Frequency (operations) (operations/hour)
  • Page 21 – Deformation or cracks of the insulating parts nuts appropriately – Isolating contacts oxidized (only for draw out power – Ask ABB SACE for replacement of the damaged parts circuit breaker) – Remove the shutters and clean with a rough –...
  • Page 22 Fig. 33a Fig. 33b Fig. 33c 8.3.4 Operating mechanism maintenance – Carry out the checks and interventions listed under point 1 of the table in paragraph 8.3.2. – Lubricate the supports of the drive shaft with MU-EP1 (AGIP) grease, including those on the sides of the power circuit breaker. Equivalent greases: ESSO Beacon EP1 - BP LTX1 - SHELL AVANIA GREASE R1 - KLUBER LUBRIFICATION CENTO PLEX 2P –...
  • Page 23 If contact wear reaches 100%, the power circuit breaker must be put out of service immediately. Ask ABB SACE about replacement operations of the interrupting parts. •...
  • Page 24 Accessories 10.1 Electrical accessories Shunt trip /closing coil (YO - YO2 - YC) This allows remote opening or closing control of the apparatus. Given the power circuit breaker operating mechanism characteristics, opening (with the power circuit breaker closed) is always possible, whereas closing is only possible when the closing springs are charged. Most of the trip units can operate with either direct or alternating current.
  • Page 25 Tightening torque: 2 Nm Fig. 34c Fig. 34d Power circuit breaker opening takes place with power supply voltage Inrush power consumption (Ps): DC = 200 W values of the trip unit equivalent to 30 - 60% A. Power circuit breaker closing is possible with power supply voltage of AC = 200 VA the trip unit equivalent to 85-110% A.
  • Page 26 Mechanical and electrical trip signaling for trip units The following signals are available following tripping of the trip unit: a) Mechanical trip signaling for trip units This allows visual signaling on the operating mechanism by means of pushing the trip pushbutton in when the power circuit breaker has been opened following tripping of a trip unit.
  • Page 27 10.2 Mechanical accessories Mechanical operation counter This is connected to the operating mechanism by means of a simple lever mechanism. It signals the number of power circuit breaker mechanical operations. The indication is visible on the front of the power circuit breaker from the outside. Mechanical locks a) Lock in open position Different mechanisms are available which allow the power circuit breaker to be locked in the open position.
  • Page 28 Trip units – General notes The SACE Emax series power circuit breakers can be equipped with SACE PR111, PR112 or PR113 electronic trip units. The SACE PR111 trip units carry out the protection function and local and test signaling. Apart from the functions of the PR111 which can be carried out with a wider range of possibilities, the SACE PR112 and PR113 trip units in the configuration fitted with the protection unit only (PR112/P-A, PR113/P-A), also carry out the functions of remote Watchdog signals and measurement.
  • Page 29 11.2.2 Various notes A. For example, use two-wire “Belden” type cable (not supplied by ABB SACE) as described in ABB SACE RU4602.001 drawing. B. For example, use three-wire “Belden” type cable (not supplied by ABB SACE) as described in ABB SACE RU4602.002 drawing.
  • Page 30 SACE PR111/P-A trip unit – Identification The PR111 units available according to the ANSI/UL Standards are: • PR111/P-A (LI) • PR111/P-A (LSI) • PR111/P-A (LSIG) 12.1 Standard PR111/P-A has been designed to work in accordance with the international standard: Low voltage AC and DC power circuit breakers used in enclosures ANSI/UL 1066. 12.2 Specifications 12.2.1 General The PR111 unit is a high performing self-supplied protection unit with Protection, Watchdog and Test functions.
  • Page 31 RMS and Peak calculation The protection allows the current signal to be processed in the following way: • with rms value up to a current of 2xIn and with a peak factor ≤ 3 for protection function “L” • with peak value for currents ≥ 2xIn and for protection functions “S”,”I” and “Iinst” (*). •...
  • Page 32 For correct setting of protection Iinst, linked to the size of the power circuit breaker, work on the 10 relative dipswitches located on the top part of the trip unit (see Figure 35), consulting the label placed to their side. The protection, which can only be set by ABB personnel, cannot be excluded.
  • Page 33 12.8.4 Initial settings If the PR111 is supplied directly installed in the power circuit breaker, ABB SACE will see to applying the adhesive labels for all the variables relative to the power circuit breaker (e.g. Type of power circuit breaker, CT size, etc.). Vice versa, if the PR111 is supplied as a loose piece, it will be up to the user to apply the adhesive labels relative to all the necessary parameters.
  • Page 34 It is possible to select the setting value relative to protection of the neutral conductor (percentage expressed according to the phase current). The selectable values are 50% and 100%. Modification must only be carried out by ABB SACE. 12.9.2 Modification of protection functions This paragraph allows the user to set of the protection functions implemented in the PR111 unit.
  • Page 35 Before consulting the following table, check any lighting up of the LEDs located on the front of the unit for some seconds. FN indicates normal operation of the PR111. In the case where the suggestions proposed do not lead to a solution of the problem, please contact the ABB SACE service assistance. N°...
  • Page 36 12.12 Trip curves The trip curves given are indicative and only show a sub-group of the possible selections (see par. 12.9.2.1). 12.12.1 Trip curves of functions L-I 12.12.2 Trip curves of functions L-S-I Mod. L2275 Scale Apparatus Emax UL Page N° Doc.
  • Page 37 12.12.3 Trip curves of functions L-S-I t = k 12.12.4 Trip curves of function G Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 35/132 Courtesy of NationalSwitchgear.com...
  • Page 38 13. SACE PR112/P-A trip unit – Identification The PR112 units available according to the ANSI/UL Standards are: • PR112/P-A (LSI) • PR112/P-A (LSIG) • PR112/PD-A (LSI fitted with communication card). • PR112/PD-A (LSIG fitted with communication card). 13.1 Standard The PR112 /P-A has been designed to work in accordance with the following international standard: Low voltage AC and DC power circuit breakers used in enclosures ANSI/UL 1066.
  • Page 39 • Maximum changeover current: 0.5A – 125V AC (0.3A – 110V DC) • Contact-contact insulation voltage: 750V AC 13.6 Communication bus RS485 internal bus, 19,200 bps baud rate, ABB SACE protocol. 13.7 Protection functions In the most complete configuration, the PR112 protection unit carries out six independent protection functions. In particular: •...
  • Page 40 13.7.1.1 Thermal memory “L” It is possible to enable the thermal memory function for cable protection. This is based on the “tL” parameter defined as the trip time of the curve (t1) at 1.25xI1. The trip time of the release is certainly 100% of the one selected after which a time of tL has passed from the last overload or from the last trip. Otherwise the trip time will be reduced depending on the overload which has take place and on the time which has passed.
  • Page 41 13.7.4.2 Protection G with external toroidal transformer “Source Ground Return” The second, also called “Source Ground return”, can be carried out when there is the need to check operation of a machine (transformer or generator or motor etc.) which has star configuration of the windings. The protection is carried out by physically positioning an external toroidal transformer on the cable connected from the star centre of the machine to the earthing connection point.
  • Page 42 To set the Iinst protection correctly, linked to the size of the circuit-breaker, work on the relative 10 dip-switches located on the part above the release (see figure), consulting the label placed at its side. The protection, which can only be set by personnel ABB, cannot be excluded. In the label diagrams relative to the settings, the position of the dip-switch is indicated by the white part.
  • Page 43 13.10 Information functions 13.10.1 Software version Whenever it is necessary to notify ABB SACE of operating problems with the unit, it is advisable to indicate the SW version of the PR 112 unit. ABB SACE Heading PR112/P-A Sw : x.xx Software version of the PR112 unit/P-A 13.10.2 Opening data storage...
  • Page 44 Table 4. Values selectable for K51/p1 trip unit Event Description “ L preal. ” Prealarm + timing protection “L” “ L timing ” Timing protection “L” “ S timing ” Timing protection “S” “ G timing ” Timing protection “G” “...
  • Page 45 13.12 Interfaccia utente Caption to the front of the PR112 unit : Ref. Description Ref. Description “µP Fault” LED Magnetic signaling indicating ground fault “G” protection tripped “Vaux” LED Magnetic signaling indicating instant. short circuit “I” protection tripped “WARNING” LED “EMERGENCY”...
  • Page 46 Consultation of the protection parameters Programming the parameters relative to the protections Consultation of the protection unit information “TEST” pushbutton enablement 13.13 Default settings The ABB SACE PR112 is supplied with the following predefined paqrameters: Protection On/Off Threshold Time Curve T.M.
  • Page 47 13.14.3 Initial settings If the PR112 is supplied directly installed in the power circuit breaker, it will be up to ABB SACE to set all the variables relative to the power circuit breaker or to the specific application correctly (e.g. Type of power circuit breaker, CT size, …).
  • Page 48 PR112/P-A 1.Unit Configurat. 2.Parameters Progr. PR112 Tests 3.Information Trip Test : xxx 4.Last TRIP Auto Test : xxx ABB SACE PR112/P-A Sw : x.xx Language : xxxx. N°Open:xxxxx x PROT L- PROTECTION:t=k/i∧2 I1: x.xxIn →xxxxxA PR020/K unit : xxx L1:xxxxxA L2:xxxxxA t1: xxxsec.
  • Page 49 13.15.2 Modification of parameters In the case when the operator wants to carry out data readout or configuration operations, simply press the ESC key and the page relative to the main menu will automatically be displayed: 1. Config./Program 2. Ammeter 3.
  • Page 50 Properties / function Values selectable Language Engl. (English), Ital. (Italian), Fran. (French), Deut. (German) Espa. (Spanish) PR020/K unit On , Off Net Frequency 50Hz, 60Hz Neutral sel. 50%, 100% Set Password 0000…9999 OverTemper.trip On, Off Min.Unbal.Phase Off, 10% …90% K51/p1 See par.
  • Page 51 Trip threshold Trip time indicated, it is also possible to set the trip time t2=min. (3) ABB SACE respects the NEC standard guaranteeing that the maximum value ± 10% (according to ANSI 37.17 standard) ± 20% of ground fault current (I4) selectable does not exceed the value of 1200A.
  • Page 52 1. Before consulting the following table, check any signaling of error messages on the first line of the display for a few seconds. 2. FN indicates normal operation of the PR112. 3. In the case when the suggestions proposed do not lead to a solution of the problem, please contact the ABB SACE Assistance service. N° Situation...
  • Page 53 N° Situation Possible causes Suggestions 10 “No Int Bus Comm” Message There is no communication between 1. If not present, exclude PR020/K PR112 and PR020/K 2. Check bus connection 3. Check PR020/K 11 Display indicates “….” or “——” , Function excluded or data out of range FN, see 13.9 instead of the data expected 12 The expected trip does not occur...
  • Page 54 6. Prepare a brief description of opening (when did it take place? how many times? always under the same conditions? with what type of load? with what voltage? with what current? can the event be reproduced?) 7. Send/communicate all the information collected, together with the application circuit diagram of the power circuit breaker, to the ABB Assistance closest to you.
  • Page 55 13.18 Accessories 13.18.1 ABB SACE PR010/T complex test unit The test with the SACE PR010/T unit allows correct operation of the inputs, outputs, thresholds and trip times of protection functions “L”, “S”, “I”, “G” and “Iinst” to be checked either manually or automatically.
  • Page 56 13.19 Trip curves The trip curves given are indicative and only represent a sub-group of the possibilities selectable (par.13.15.2.2). 13.19.1 Trip curves of functions L-S-I 13.19.2 Trip curves of functions L-S-I t = k Mod. L2275 Scale Apparatus Emax UL Page N°...
  • Page 57 13.19.3 Trip curves of function G t = k Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 55/132 Courtesy of NationalSwitchgear.com...
  • Page 58 14. SACE PR112/PD-A Trip unit – Identification The PR112 units available fitted with a dialogue unit, with Modbus™ protocol , are: • PR112/PD-A (in accordance with ANSI/UL Standards) 14.1 Standard The PR112 /PD-A has been designed to work in accordance with the following international standard: Low voltage AC and DC power circuit breakers used in enclosures ANSI/UL 1066.
  • Page 59 This page shows which Software version there is of the dialogue unit of the above PR112 /PD trip unit. PR112/D-M Sw: x.xx Each time it is necessary to communicate any operating problems with the dialogue unit to ABB SACE, it is a good idea to indicate the Sw version of the unit (“x.xx”).
  • Page 60 14.4.4.3 State of power circuit breaker auxiliary inputs CB StatuS: xxxxx Status of the power circuit breaker. The possible states are: Open - Closed – Error* CB Springs: yyyyy State of spring charging. The possible states are: Charged – Discharged CB Pos.: zzzzz Position of the power circuit breaker.
  • Page 61 14.5.3 Initial settings ABB SACE defines each setting of the communication parameters (see default parameters in par. 14.4.7). Apart from this, before putting the PR112 into service, it is absolutely indispensable for the user to carefully define each modifiable parameter (see par.14.6.2).
  • Page 62 L3:xxxxxA Ne:xxxxxA Ground:xxxxxA ESC * 1.Config./Program 2.Ammeter 3.Test 4.Other Functions 1.CB Info 2.Network Info 3.Information ABB SACE Slave Addr.: xxx Baudrate : xxxxx PR112/D-M Sw: x.xx Parity : xxxx Addressing : xxx 1.CB I/O 2.CB Data 3.Protection Trips CB Status : xxxxx...
  • Page 63 Baudrate 9600-19200 bit/s Data transmission speed. Parity Even-Odd Control mode of data transmitted. Addressing Standard-ABB SACE Type of addressing of the Modbus™ data. * Slave Addr. = 255 means unit not configured. 14.6.3 Signals 14.6.3.1 Optical signals Signaling Description Led µP Fault [COMMUNICATION] (red) Microprocessor of the dialogue unit with temporary or permanent fault.
  • Page 64 1. Before consulting the following table, check any signaling of error messages on the first line of the display for a few seconds. 2. FN indicates normal operation of the PR112. 3. In the case when the suggestions proposed do not lead to a solution of the problem, please contact the ABB SACE Assistance service. N° Situation...
  • Page 65 The PR113 unit is a self-supplied protection unit with high performance with Protection, Measurement, Watchdog, Signaling, Test, Control of the Power circuit breaker, Communication and Storage functions for ABB SACE ‘EMAX’ series of air three-pole and four-pole Low Voltage power circuit breakers...
  • Page 66 15.2.2 Electrical characteristics Nominal operating frequency 50/60 Hz ±10% Pass band 1200 Hz max Peak factor 2.1 max @ 4 In MTBF (MIL-HDBK-217E) 15 years @ 45°C 15.2.2.1 Self-supply All the protection functions are operational without an external auxiliary power supply. In fact, self-supply is guaranteed by the CTs installed in the power circuit breaker.
  • Page 67 • Maximum changeover current: 0.5A – 125V AC (0.3A – 110V DC). • Contact-contact insulation voltage : 750 V AC 15.2.5 Communication bus Internal RS485 bus, 38,400 bps baud rate, ABB SACE protocol. 15.2.6 Protection functions The PR113 protection unit carries out 13 independent protection functions. In particular: Protection against overload with inverse time “L”;...
  • Page 68 15.2.6.1 Protection “L” Protection “L” is the only one which cannot be disabled since it carries out self-protection against overloads of the trip unit itself. The protection trip time - inverse time - is given by the expression ⋅  ...
  • Page 69 The zone selectivity function allows the fault area to be isolated, only isolating the installation to the level nearest the fault and keeping the rest of the installation operational. This means that a load side fault of “Relay 1a” will be isolated from the latter without “Relay 1” and “Relay 0” intervening. A fault just on the load side of “Relay 1”...
  • Page 70 Operation, with zone selectivity disabled, is the following: ! If Imax > I7 and current direction determined ≠ direction set " no alarm; ! If Imax > I7 and current direction determined = direction set " times and opens; ! If Imax > I7 and current direction cannot be determined " times and opens considering as the direction the one selected with the “Direction” parameter.
  • Page 71 15.2.6.5 Protection “G” The protection, which can be disabled, can be with fixed time ( t = k ) or inverse time. In the latter case, the trip time is given by the expression       where I is the fault current and I the protection threshold.
  • Page 72 15.2.6.7 Protection against overtemperature inside the “OT” trip unit A sensor is placed inside the PR113 unit which monitors the temperature of the unit. This allows the presence of abnormal temperatures which could cause temporary or continuous malfunctions of the electronic components of the unit to be signaled.
  • Page 73 For correct setting of protection Iinst, linked to the size of the power circuit breaker, work on the relative 10 dipswitches placed on the part above the trip unit (see figure), consulting the label at the side of them. The protection, which can only be set by ABB personnel, cannot be excluded.
  • Page 74 15.2.7.2 Network frequency The PR113 unit constantly measures the frequency of the network voltages it is connected to. When there are no voltages (Umax < 0.1Un), determination is carried out on the currents (if Imax >0.1In). If the frequency goes out of the permitted range by ±10% in relation to the nominal frequency selected (50 or 60Hz), the “warning” LED is lit and the warning message is displayed (see par.
  • Page 75 15.2.8.3 Power measurements The PR113 unit is able to provide measurement of the active, reactive and apparent powers of the three phases and of the relative total powers (of the system), both with self-supply and with an auxiliary power supply. You access the “Active power”...
  • Page 76 15.2.8.4.4 Display of Wave form and harmonic calculation By entering the page, 120 samples of the wave form of phase L1 are acquired and then displayed. By pressing the ↵ key, a new acquirement and re-display of the waveform is carried out. By means of the → or ←...
  • Page 77 This page shows what the software version of the relative PR113 trip unit is. Each time it is necessary to communicate any unit operating problems to ABB SACE, it is advisable to indicate the Sw version of the unit (“x.xx”) 15.2.9.2...
  • Page 78 N° Value Description Notes “ G timing ” Protection “G” timing “ G alarm ” Protection “G” Alarm Active in the case when “G” trip is disabled “ UV tim. ” “Undervoltage” protection Timing “ UV alarm. ” “Undervoltage” protection Alarm Active in the case of power circuit breaker open state “...
  • Page 79 15.2.10.2 Programming contacts K51/1 …. K51/8 of the PR020/K Using a PR020/K, connected to the PR113, the user has the possibility of combining up to 7 different situations, selectable from the previous table (Table 9), with the relays available in the PR020/K itself. It is also possible to connect two or three PR020/Ks with the PR113.
  • Page 80 15.2.11User interface Ref. Description TEST connector for application of the PR120/B or PR010/T accessories. SACE Logo identifying the product. Position of UL certification label. “EMERGENCY” LED. “WARNING” LED. “TEMP” LED. Pushbuttons for moving the cursor and setting the parameters: UP, DOWN, LEFT, RIGHT. “Vaux”...
  • Page 81 It is possible to adjust the contrast by pressing over the TEST key on the current page (the one which shows the four busbar and the ground currents), using the ↑ and ↓ keys to increase and decrease it, and ↵ for the ABB SACE default value.
  • Page 82 To access to the “EDIT” mode, it is necessary to press the ↵ key on of a page with fields which can be edited. A password will therefore be required to enable passing into the editing mode. 15.2.12 Default settings The PR113/P-A is supplied by ABB SACE with the following predefined parameters: Protection On/Off...
  • Page 83 ABB SACE model TV055 transformers (with nominal secondary voltage =100√3 V). TV Custom (A): single custom-made “ad hoc” transformers with the same electrical characteristics as the ABB SACE VT (ABB SACE RE0382 drawing) TV Standard (A): single standard transformers “compatible” with ABB SACE VT (the same electrical characteristics except for the output voltage: Us=100Vrms).
  • Page 84 Initial settings If the PR113 is supplied directly installed in the power circuit breaker it is up to ABB SACE to set all the variables referring to the power circuit breaker or to the specific application correctly (e.g. Type of power circuit breaker, CT size, network frequency …).
  • Page 85 15.4 Operative/operating instructions during service 15.4.1 Menus As already seen previously, the PR113 uses the display to show messages, diagrams and menus. These are organized in a logical and intuitive way. For user convenience, all the screens visible are given below. Not available See next page Mod.
  • Page 86 If the I current intervenes INST Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 84/132 Courtesy of NationalSwitchgear.com...
  • Page 87 Each time the unit is activated, or after more than 2 minutes of inactivity on the keyboard, the display indicates the following page (default): Percentage of the present currents and voltages in relation to the nominal values Current of the most highly loaded phase (100%) Indication of the most highly loaded phase (L1, L2, L3, Ne)
  • Page 88 Select the type of protection against ground fault: select [Int ] if you want to protect the installation with the help of the internal toroid, otherwise [Ext ] if you want to protect with the help of the external toroid by making the “Source Ground Return”...
  • Page 89 15.4.2.1.1 Adjustment of the neutral The Neutral protection is normally set to a current value at 50% of the adjustment carried out on the phases. In some installations, where particularly high harmonics occur, the current circulating on the neutral can be higher than that of the phases. In the SACE PR113 trip unit, it is possible to set this protection for the following values : I1N = 50% - 100% - 150% - 200% * I1.
  • Page 90 Set the trip direction. For the protection, the TRIP Set I3>(I2, I7). can be disabled (only alarm signaling). Set a time for each direction. Set I7>I1. Activate or disable start-up function in a global way Set the period of validity of the start-up function Phase Unbalance Function.
  • Page 91 “Minimum time”: minimum time which can be taken by the protection (see par. 11.1.2) ± 10% (according to ANSI 37.17 Standard) ± 20% ABB SACE respects the NEC standard, guaranteeing that the maximum ± 10% ± 20% selectable value of ground fault current (I4) does not exceed the value of 1200A.
  • Page 92 15.4.3 Signals 15.4.3.1 Optical signals Signaling Description Led Vaux (green) Presence of Auxiliary power supply Led µP Fault (red) Microprocessor with temporary or permanent fault Led Temp (orange) • Flashing with values of “Warning temperature”, see par. 15.2.6.7 • Lit permanently with values of “Alarm temperature”, see par. 15.2.6.7 Led Trip (red) Lights up (only with Vaux) following an opening due to a protection.
  • Page 93 Before consulting the following table, check any lighting up of the LEDs located on the front of the unit for some seconds. FN indicates normal operation of the PR113. In the case where the suggestions proposed do not lead to a solution of the problem, please contact the ABB SACE service assistance. N°...
  • Page 94 15.6 Warning and error messages All the messages which can be shown on the display relating to incorrect configurations, generic alarms or deriving from the protection functions and linked to useful information are described below. INCORRECT CONFIGURATIONS MESSAGE DESCRIPTION WRONG CS FOR THIS CB A CS size which cannot be installed on the power circuit breaker has been selected (e.g. E1 with 5000A) ERROR I2 <= I1 The trip threshold of function L is higher than threshold of function S ERROR I5 <= I1...
  • Page 95 6. Prepare a brief description of opening (when did it take place? how many times? always under the same conditions? with what type of load? with what voltage? with what current? can the event be reproduced?) 7. Send/communicate all the information collected, together with the application circuit diagram of the power circuit breaker, to the ABB Assistance closest to you.
  • Page 96 15.7 Accessories 15.7.1 ABB SACE PR010/T complex test unit The test with the SACE PR010/T unit allows correct operation of the inputs, outputs, thresholds and trip times of protection functions “L”, “S”, “I”, “G”, “U”, “Iinst”, “UV”, OV” and “RV” to be checked either manually or automatically.
  • Page 97 15.8 Trip curves The trip curves given are indicative and only show a sub-group of the possible selections (see par. 15.4.2.2). 15.8.1 Trip curves of functions L-S-I 15.8.2 Trip curves of functions L-S-I t = k Mod. L2275 Scale Apparatus Emax UL Page N°...
  • Page 98 15.8.3 Trip curves of function G t = k Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 96/132 Courtesy of NationalSwitchgear.com...
  • Page 99 15.8.4 Trip curves of function D 15.8.5 Trip curves of function U Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 97/132 Courtesy of NationalSwitchgear.com...
  • Page 100 15.8.6 Trip curves of function UV 15.8.7 Trip curves of function OV Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 98/132 Courtesy of NationalSwitchgear.com...
  • Page 101 15.8.8 Trip curves of function RV 15.8.9 Trip curves of function RP Mod. L2275 Scale Apparatus Emax UL Page N° Doc. N° RH0109002 99/132 Courtesy of NationalSwitchgear.com...
  • Page 102 16 SACE PR113/PD-A Trip unit – Identification The PR113 units available fitted with a dialogue unit, with Modbus™ protocol , are: • PR113/PD (in accordance with IEC Standards) • PR113/PD-A (in accordance with ANSI/UL Standards) 16.1 Standard The PR113 /PD-A has been designed to work in accordance with the following international standard: Low voltage AC and DC power circuit breakers used in enclosures ANSI/UL 1066.
  • Page 103 This page shows which Software version there is of the dialogue unit of the above PR113/PD unit. PR113/D-M Sw: x.xx Each time it is necessary to communicate any operating problems with the dialogue unit to ABB SACE, it is a good idea to indicate the Sw version of the unit (“x.xx”).
  • Page 104 16.4.4.3 State of power circuit breaker auxiliary inputs CB StatuS: xxxxx Status of the power circuit breaker. The possible states are: Open - Closed – Error* CB Springs: yyyyy State of spring charging. The possible states are: Charged – Discharged CB Pos.: zzzzz Position of the power circuit breaker.
  • Page 105 16.5.3 Initial settings ABB SACE defines each setting of the communication parameters (see default parameters ). Apart from this, before putting the PR113 into service, it is absolutely indispensable for the user to carefully define each modifiable parameter (see par.16.6.2).
  • Page 106 2. Parameters Prog. 3. Measurements/Trips 4. Test 5. Information 6. Other Functions 1. CB Info 2. Network Info 3. Information ABB SACE Slave Addr.: xxx Baudrate : xxxxx PR113/D-M Sw: x.xx Parity : xxxx Addr.Type : xxx 1. CB I/O 2.
  • Page 107 Baudrate 9600-19200 bit/s Data transmission speed. Parity Even-Odd Control mode of data transmitted. Addr. Type Standard-ABB SACE Type of addressing of the Modbus™ data. * Slave Addr. = 255 means unit not configured. 16.6.3 Signals 16.6.3.1 Optical signals Signaling Description Led µP Fault [COMMUNICATION]...
  • Page 108 1. Before consulting the following table, check any lighting up of the LEDs located on the front of the unit for some seconds. 2. FN Indicates normal operation of the PR 113. 3. In the case where the suggestions proposed do not lead to a solution of the problem, please contact the ABB SACE service assistance. N° Situation...
  • Page 109 17. Overall dimensions Fixed power circuit breaker Basic version with horizontal rear terminals E2-E3 E4-E6 Caption 3 Poles 4 Poles 1 Insulating or metal- E1-A 296/11.65'' 386/15.2'' insulated wall E2-A 296/11.65'' 386/15.2'' E3-A 404/15.91'' 530/20.87'' E4-A 566/22.28'' 656/25.83'' E6-A 782/30.79'' 908/35.75'' Fig.
  • Page 110 Fixed power circuit breaker Basic version with horizontal rear terminals E1 3 poles / E2 3 poles E1 4 poles / E2 4 poles E3 3 poes E3 4 poles Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M10 fixing mounting hole...
  • Page 111 Fixed power circuit breaker Basic version with horizontal rear terminals E4 3 poles E4 4 poles E6 3 poles E6 4 poles Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M10 fixing mounting hole (included in the supply) 4 No.
  • Page 112 Fixed power circuit breaker Basic version with vertical rear terminals E3 1200÷2000 A E3 1200÷2000 A Fig. 37 Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 110/132 Courtesy of NationalSwitchgear.com...
  • Page 113 Fixed power circuit breaker Basic version with vertical rear terminals E3 2500 A E3 2500 A Fig. 38 Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 111/132 Courtesy of NationalSwitchgear.com...
  • Page 114 Draw out power circuit breaker Basic version with horizontal rear terminals E2-E3-E4-E6 3 Poles 4 Poles E1-A 324/12.76'' 414/16.3'' E2-A 324/12.76'' 414/16.3'' E3-A 432/17.01'' 558/21.97'' E4-A 594/23.39'' 684/26.93'' E6-A 810/31.89'' 936/36.85'' Caption 1 Run from racked-in to test to isolated Fig.
  • Page 115 Draw out power circuit breaker Basic version with horizontal rear terminals E1 3 poles / E2 3 poles E1 4 poles / E2 4 poles E3 3 poles E3 4 poles Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply)
  • Page 116 Draw out power circuit breaker Basic version with horizontal rear terminals E4 3 poleas E4 4 poles E6 3 poles E6 4 poles Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply) 4 No.
  • Page 117 Draw out power circuit breaker Version with vertical rear terminals E1 3 poles / E2 3 poles E1 4 poles / E2 4 poles E1-E2 Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply) 5 Run from racked-in to test to isolated 6 No.
  • Page 118 Draw out power circuit breaker Version with vertical rear terminals E3 3 poles 1200÷2000 A E3 4 poles 1200÷2000 A E3 1200÷2000 A Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply) 4 No.
  • Page 119 Draw out power circuit breaker Version with vertical rear terminals E3 3 poles 2500 A E3 4 poles 2500 A E3 2500 A Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply) 4 No.
  • Page 120 Draw out power circuit breaker Version with vertical rear terminals E4 3 poles E4 4 poles Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply) 4 No. 2 M12 screws for grounding (included in the supply) 5 Run from racked-in to test to...
  • Page 121 Draw out power circuit breaker Version with vertical rear terminals E6 3 poles E6 4 poles Caption 1 Inside edge of compartment door 2 Segregation (where foreseen) 3 Power circuit breaker M8 fixing mounting hole (included in the supply) 4 No. 2 M12 screws for grounding (included in the supply) 5 Run from racked-in to test to isolated...
  • Page 122 Compartment dimensions 3 Poles 4 Poles E1-A 400/11.65'' 490/19.30'' E2-A 400/15.7'' 490/19.30'' Suitable for operating at 100% rating in a compartment of the dimen- E3-A 500/19.7'' 630/24.82'' sions shown in the figure, with a ventilation of 48 square inches (12x4) E4-A in the bottom part and in the top part.
  • Page 123 Compartment door mechanical lock Door mounting holes Minimum distance between the power circuit breaker and the side of the switchgear Fixed version Draw out version 3 Poles 4 Poles E1-A 180/7.09'' 180/7.09'' E2-A 180/7.09'' 180/7.09'' E3-A 234/9.21'' 234/9.21'' E4-A 270/10.63'' 360/14.17'' E6-A 360/14.17''...
  • Page 124 18. Electrical circuit diagrams State of operation shown The diagram is shown in the following conditions: – draw out version power circuit breaker, open and racked-in – circuits de-energized – trip units not tripped – motor operator with springs discharged. Versions The diagram shows a draw out version power circuit breaker, but is also valid for fixed version power circuit breakers.
  • Page 125 = Contact for bell alarm of power circuit breaker open due to trip of the trip unit. Power circuit breaker closing can only take place after having pressed the reset pushbutton S75E/14 = Contacts for electrical signaling of power circuit breaker in racked-out position (only provided with draw out version power circuit breakers) S75I/14 = Contacts for electrical signaling of power circuit breaker in racked-in position (only provided with draw out version power circuit breakers) S75T/14...
  • Page 126 Notes A) The power circuit breaker is only fitted with the applications specified in the ABB order confir mation. To make out the order, please consult the apparatus catalogue. B) The undervoltage release is provided for power supply branched on the supply side of the power circuit breaker or from an independent source: power circuit breaker closing is only allowed with the trip energized (the lock on closing is made mechanically).
  • Page 127 Graphic symbols for electrical circuit diagrams (IEC 60617 and CEI 3-14...3-26 Standards) Shield (can be Terminal or clamp Changeover position contact drawn in any shape) with momentary trip (limit switch) Timing Socket and plug Power molded case switch (female and male) with automatic opening Mechanical connection Motor...
  • Page 128 State of operation Three-pole or four-pole power circuit breaker with PR111-A, PR112/P-A, PR112/PD-A, PR113P-A and PR113/PD-A electronic trip unit Three-pole power circuit breaker with electronic PR111-A, PR112/P- A, PR112/PD-A, PR113P-A and PR113/PD-A trip units and current transformer on neutral conductor outside the power circuit breaker Mod.
  • Page 129 Motor operator, shunt trips, closing coils and undervoltage releases Signaling contacts Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 127/132 Courtesy of NationalSwitchgear.com...
  • Page 130 Signaling contacts Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 128/132 Courtesy of NationalSwitchgear.com...
  • Page 131 Auxiliary circuits of the PR112/P-A trip unit Auxiliary circuits of the PR112/PD-A trip unit Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 129/132 Courtesy of NationalSwitchgear.com...
  • Page 132 Auxiliary circuits of the PR113/P-A trip unit Auxiliary circuits of the PR113/PD-A trip unit Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 130/132 Courtesy of NationalSwitchgear.com...
  • Page 133 PR020/K signaling unit Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 131/132 Courtesy of NationalSwitchgear.com...
  • Page 134 Mod. L2275 Scale Apparatus Emax Page N° Doc. N° RH0109002 132/132 Courtesy of NationalSwitchgear.com...
  • Page 135 Due to possible developments of standards as well as of materials, the characteristics and dimensions specified in the present catalogue may only be considered binding after confirmation by ABB SACE. ABB SACE S.p.A. L.V. Breakers Via Baioni, 35 - 24123 Bergamo - Italy Tel.: +39 035.395.111 - Telefax: +39 035.395.306-433...