ABB Zenith ZTS T Series Page 39 Operation, Maintenance, And Installation Manual Download

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O PER AT I O N , M A I N T EN A N C E , A N D I N S TA L L AT I O N G U I D E

—

3.2 Operation of Automatic Transfer Switch

Equipment

Danger

Hazardous Voltage May Cause Severe Injury or

Death

Manual opening and closing of the contacts

shall only be performed with no power

available.

Failure to comply with these instructions may

result in death or serious injury.

Warning

Improper Installation Operation and

Maintenance

Ensure only quali_ed personnel install, operate,

service and maintain all electrical equipment.

DISCONNECT all power sources prior to instal-

lation, operation, service, and maintenance of

all electrical equipment. These activities shall

be performed only by certifed ABB Zenith tech-

nicians or qualifed electricians. Only use the

charging handle to perform manual operation

of the transfer switch. No motorized device

shall be used as a substitute.

Failure to comply with these instructions may

result in death or serious injury.

NOTE:

Prior to operating the ATS in manual

mode, the HMI settings must be changed from

Automatic transfer mode to Manual transfer

mode (see Section 4.3).

• See Section 3.2.1 for R5 ATS manual

operation procedure

• See Section 3.2.2 for 63L ATS manual

operation procedure

Summary of Contents for Zenith ZTS T Series

Page 1: ...OPER ATION MAINTENANCE AND INSTALL ATION GUIDE Zenith ZTS T series For ZTS D T series automatic transfer switches 1600 3000 A and ZTSCT T series automatic transfer switches 100 3000 A 208 480 Vac ...

Page 2: ...2 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 3: ...laced into service immediately store the transfer switch in its original package in a clean dry loca tion To prevent condensation maintain a uniform temperature Store the unit in a heated building allowing adequate air circulation and protection from dirt and moisture Storing the unit outdoors could cause harmful condensation inside the transfer switch enclosure HAZARD OF EQUIPMENT OVERTURNING Whe...

Page 4: ...etely de ener gized tested grounded and tagged Pay particular attention to the design of the power system Consider all sources of power including the possibility of backfeeding Disconnect all sources of electric power before removing or making source side or load side connections to the transfer switch Always use a properly rated voltage sensing device at all line and load con nections to confirm ...

Page 5: ...IDE 2 Operation maintenance and installation instruction Automatic transfer switches Zenith ZTS T series ATS INSTALLATION INSTRUCTIONS ZENITH ZTS T SERIES ATS CHAPTERS 9 11 OPERATION AND MAINTENANCE INSTRUCTIONS ZENITH ZTS T SERIES ATS CHAPTERS 1 8 ...

Page 6: ...6 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 7: ...cation 14 2 Product overview 15 2 1 General overview 16 2 1 1 Operation types 18 2 2 HMI 19 2 3 Zenith ZTS T series features 20 2 4 Typical applications 23 2 5 Sequence of operations 25 2 5 1 Switching sequence Automatic open delayed transition 25 2 5 2 Switching sequence Automatic open delayed transition 31 2 6 Special features description 35 2 6 1 Automatic configuration 35 2 6 2 In phase monito...

Page 8: ... Electronic accessories 63 5 1 Using Ekip Connect software 64 5 2 Using Ekip Programming module 65 5 2 1 LED indications 65 5 3 Auxiliary power supply module 66 5 3 1 Electrical characteristics 66 5 3 2 LED indications 66 5 4 Using Ekip Signalling 2K _ module 67 5 4 1 Electrical characteristics of Ekip Signalling 2K _ module 67 5 4 2 Access from the display Ekip Signalling 2K _ module 67 5 4 3 LED...

Page 9: ...tallation and Maintenance 112 9 2 Equipment Inspection and Storage 112 9 3 Lifting and mounting the panel 113 9 4 Mounting the automatic transfer switch 117 9 4 1 Mounting hole dimensions 117 9 4 2 Mounting hole dimensions stand alone ATS no enclosure 118 9 4 3 HMI Installation 120 9 5 Wire Connection 121 9 6 Final Equipment Inspection 122 9 7 Initial Energizing 123 10 Accessories 125 10 1 Auxilia...

Page 10: ...10 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 11: ...or to call attention to information that clarifies a procedure Carefully read all instructions and become familiar with the devices before trying to install operate service or maintain this equipment Danger Indicates a hazardous situation that if not avoided will result in death or serious injury Warning Indicates a hazardous situation that if not avoided could result in death or serious injury Ca...

Page 12: ...guration Programming port Only for Ekip Programming and Ekip Bluetooth modules USB port S1 SOURCE 1 power supply S2 SOURCE 2 power supply Zenith ZTS T series ATS Business Industrial and Mission critical enclosed automatic transfer switches product name Load Shed Digital output function for signaling a downstream load to disconnect This functionality is different than the legacy Zenith R15 Load She...

Page 13: ...on or warranty expressed implied or statutory and assumes no responsibility for the accuracy completeness sufficiency or usefulness of the information contained herein No warrantees of merchantability or fitness for purpose shall apply Contact your local sales office if further information is required concerning any aspect of the automatic transfer switch operation or maintenance Warranty Period T...

Page 14: ...ing about the automatic transfer switch The serial number can be found on the product nameplate affixed to each power panel assembly See example below Product Rating Applicable Standards For UL 1008 withstand and close on short circuit ratings refer to ABB publication number 1SCC303020C0201 Fig 1 Sample nameplate ZENITH ZTS AUTOMATIC TRANSFER SWITCH FOR USE IN EMERGENCY SYSTEMS Serial number US115...

Page 15: ...ransition Zenith ZTSCT T series ATS type codes beginning ZSAC_from 100 3000 A 208 480 Vac 2 Product overview Zenith ZTS T series automatic transfer switches from 100 A up to 3000 A are designed for use in Business Industrial and Mission critical low voltage automatic transfer switch applications Zenith ZTS T series automatic transfer switches can be operated electrically by touch screen control in...

Page 16: ...r Ekip Programming and Ekip Connect Software C B D Under cover A Level 4 HMI ZTS T Series color touchscreen LCD B Automatic transfer switch ATS C ATS control unit D Handle for manual operation E Engine start terminal blocks A Level 4 HMI ZTS T Series color touchscreen LCD B Automatic transfer switch ATS C ATS control unit D Handle for manual operation E Engine start terminal blocks F Document hold...

Page 17: ... Contact Limit Switches 8 Mechanical Drive Assembly mechanical interlock system Source position status I contacts closed O contacts open 3 Covers Removed 8 4 7 5 1 6 2 1 3 2 8 7 4 5 6 Covers Removed B ATS 63L 1 Customer Auxliary contact connection points 2 SCR Assemblies Access by removing cover screws on side of panel 63L 3 Customer manual operating ports 4 Arc Chute Assemblies Arc Quenching asse...

Page 18: ...2 1 The differences of level types operation types and the suitability of Ekip modules 2 1 1 Operation types In this table you can find the differences of the automatic transfer switch open and delayed transition operation types Due to the different transition types there are variances with HMI and on wiring of I O contacts For more information on HMIs see Chapter 2 2 l ON ll ON AUTO S1 S2 LOAD l ...

Page 19: ... has a color touch screen LCD HMI with push buttons The HMI is used for configuring parameters for automatic operation 2 2 HMI I O II or II O I ZTS HMI with Touch screen Fig 2 1 The HMI form will correspond to the type of ZTS T series open delayed or closed transition l ON ll ON AUTO S1 S2 LOAD l ll O O OFF l ON ll ON AUTO S1 S2 LOAD l ll ...

Page 20: ...or II O I Yes Closed transition I O II or II O I Yes Voltage and frequency settings Pick up SOURCE 1 Voltage 71 99 101 119 Drop out SOURCE 1 Voltage 70 98 102 120 Pick up SOURCE 2 Voltage 71 99 101 119 Drop out SOURCE 2 Voltage 70 98 102 120 Pick up SOURCE 1 Frequency 80 5 99 5 100 5 119 5 Drop out SOURCE 1 Frequency 80 99 101 120 Pick up SOURCE 2 Frequency 80 5 99 5 100 5 119 5 Drop out SOURCE 2 ...

Page 21: ...to S2 sec 0 60 Elevator Pre signal delay S2 to S1 sec 0 60 Elevator Post signal delay S2 to S1 sec 0 60 Load shed delay sec 0 60 Source failure detections No voltage Yes Undervoltage Yes Overvoltage Yes Phase missing Yes Voltage unbalance Yes Invalid frequency Yes Incorrect phase sequence Yes Features Controls Touch keys LED indications for ATS S1 and S2 status Yes Open transition Standard digital...

Page 22: ...rrent Field mount accessories Auxiliary contacts for position indication Yes Digital input output modules Yes 12 24 Vdc aux supply module for controller Yes Communication modules Yes Connectivity Modbus RS485 Yes Modbus TCP Yes Profibus DP Yes ProfiNet Yes DeviceNet Yes Ethernet IP Yes Ekip Com Hub monitoring via ABB Ability EDCS Yes Enclosures Type 1 3R 4 12 and 4X Yes For applications Mains Main...

Page 23: ... and to switch between two power sources See possible supply phase scenarios on next page You have to define your own supply phase system reference Chapter 4 Navigating menu Parameters Power distribution systems Factory setting 3 phases with neutral 2 4 Typical applications Source 1 Source 2 Load OX_ Source 1 Source 2 Load OX_ Fig 2 2 Typical applications of automatic transfer switches ...

Page 24: ...Phase B D D F D F F Single phase three wire Three phase four wire Three phase three wire Three phase with high leg delta D E F 200 480 Vac L N 200 480 Vac L L 200 480 Vac L L A07482 Fig 2 3 Possible supply phase scenarios Phase A Phase C Neutral Phase B high leg 240 Vac 240 Vac 208 Vac 240 Vac 120 Vac 120 Vac Neutral Phase A D Phase B Neutral Phase A E D D Phase A Phase B Phase C F F F Phase A Neu...

Page 25: ... delay 10 Transfer switch SOURCE 1 to position O 11 Center off delay only with Delayed transition I O II type 12 Transfer switch SOURCE 2 to position II 13 Post transfer S1 to S2 delay 14 Pre transfer signal off The re transfer sequency can be summarized in the following steps 1 SOURCE 1 is restored 2 Transfer from S2 to S1 delay 3 Pre transfer signal on 4 Pre transfer S2 to S1 delay 5 Transfer sw...

Page 26: ...sfer signal Load shed signal Override momentary S1 outage delay Transfer from S1 to S2 delay Override momentary S2 outage delay Transfer from S2 to S1 delay Generator stop delay Center off delay I O II Pre transfer S1 to S2 delay Post transfer S1 to S2 delay Pre transfer S2 to S1 delay Post transfer S2 to S1 delay Load shed delay Table 2 3 Automatic Switching Sequences SOURCE 1 Priority SOURCE 2 G...

Page 27: ... to position O 9 Center off delay only with Delayed transition I O II type 10 Transfer switch SOURCE 1 to position I 11 Post transfer S2 to S1 delay 12 Pre transfer signal off And the re transfer sequence can be summarized in the following steps 1 SOURCE 2 is restored 2 Transfer from S1 to S2 delay 3 Pre transfer signal on 4 Pre transfer S1 to S2 delay 5 Transfer switch SOURCE 1 to position O 6 Ce...

Page 28: ...ansfer signal Load shed signal Override momentary S1 outage delay Transfer from S1 to S2 delay Override momentary S2 outage delay Transfer from S2 to S1 delay Center off delay I O II Pre transfer S1 to S2 delay Post transfer S1 to S2 delay Pre transfer S2 to S1 delay Post transfer S2 to S1 delay Load shed delay Table 2 4 Automatic Switching Sequences SOURCE 2 Priority No generator ...

Page 29: ...CE 2 to position II 8 Post transfer S1 to S2 delay 9 Pre transfer signal off When an anomaly occurs in the source in use the re transfer to available source can be summarized in the following steps 1 SOURCE 1 is restored 2 An anomaly occurs on the SOURCE 2 3 Pre transfer signal on 4 Pre transfer S2 to S1 delay 5 Transfer switch SOURCE 2 to position O 6 Center off delay only with Delayed transition...

Page 30: ...ch position II SOURCE 1 OK SOURCE 2 OK Pre transfer signal Override momentary S1 outage delay Override momentary S2 outage delay Center off delay I O II Pre transfer S1 to S2 delay Post transfer S1 to S2 delay Pre transfer S2 to S1 delay Post transfer S2 to S1 delay Table 2 5 Automatic Switching Sequences No Source Priority Generator and load shed usage disabled ...

Page 31: ...r S1 to S2 delay 5 Check source synchronization 6 Close SOURCE 2 contacts 7 Open SOURCE 1 contacts start ETT timer parallel mode 8 Post transfer S1 to S2 delay The re transfer sequence can be summa rized in the following steps 1 Cancel test on load HMI or digital input 2 SOURCE 1 availability timer 3 Pre transfer S2 to S1 delay 4 Check source synchronization 5 Close SOURCE 1 contacts 6 Open SOURCE...

Page 32: ...enerator started Generator stopped Elevator pre transfer signal Elevator post transfer signal Pre transfer S1 to S2 delay Post transfer S1 to S2 delay Pre transfer S2 to S1 delay Post transfer S2 to S1 delay Check source synchronization S1 availability delay S2 availability delay Engine warm up delay Engine cooldown delay Table 2 6 Closed Transition Switching Sequences SOURCE 1 Priority SOURCE 2 G...

Page 33: ...ce synchronization 4 Close SOURCE 1 contacts 5 Open SOURCE 2 contacts start ETT timer parallel mode 6 Post transfer S2 to S1 delay The re transfer sequence can be summa rized in the following steps 1 Cancel test on load HMI or digital input 2 SOURCE 2 availability timer 3 Pre transfer S1 to S2 delay 4 Check source synchronization 5 Close SOURCE 2 contacts 6 Open SOURCE 1 contacts start ETT timer p...

Page 34: ...vate test on load Cancel test on load Elevator pre transfer signal Elevator post transfer signal Pre transfer S1 to S2 delay Post transfer S1 to S2 delay Pre transfer S2 to S1 delay Post transfer S2 to S1 delay Check source synchronization S1 availability delay S2 availability delay Table 2 7 Closed Transition Switching Sequences SOURCE 2 Priority No Generator ...

Page 35: ...rom SOURCE 1 S1 to SOURCE 2 S2 only when they are in sync with each other Any of these conditions will prevent source transfer when In phase monitor is set to On Phase difference between sources remains greater than 5 degrees Phase order between sources is not the same Voltage amplitude is out of range Phase is missing Voltage is asymmetric Frequency is out of range S1 and S2 contacts are not para...

Page 36: ...36 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 37: ... of Automatic Transfer Switch Standalone Panel Highlighting Customer Points of Interest Applicable for Standard Delay and Close Transition Type Automatic Transfer Switch Euipment Source Indication with manual operating direction of handle for respective source Contact position status 1 contacts closed 2 contacts open ...

Page 38: ...ITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A 3 1 2 Position Indication 63L Fig 3 2 Source Indicators STEP1 Both UP Source 1 STEP2 Top DOWN Bottom UP Open STEP 3 Both DOWN Source 2 Source Indicators ...

Page 39: ...ISCONNECT all power sources prior to instal lation operation service and maintenance of all electrical equipment These activities shall be performed only by certifed ABB Zenith tech nicians or qualifed electricians Only use the charging handle to perform manual operation of the transfer switch No motorized device shall be used as a substitute Failure to comply with these instructions may result in...

Page 40: ...vailable please follow these steps 1 Verify all voltage input sources to the automatic transfer switch have been re moved with proper LOTO procedures followed Consider stored energy sources as well 2 Verify all load connections have been removed with proper LOTO procedures followed Consider stored energy for load equipment as well 3 Insert the manual handle into the de sired port of the automatic ...

Page 41: ...Contact state Open Red 1 Contact Closed Green 0 Contact Open Fig 3 5 Automatic Transfer Switch Contact Status 6 To return to Automatic transfer mode return both source contacts to Open posi tion and return the HMI Transfer Settings to Automatic transfer mode see Section 4 3 ...

Page 42: ...ved with proper LOTO procedure followed Consider stored energy sources as well 2 Verify all load connections have been removed with proper LOTO procedures followed Consider stored energy for load equipment as well 3 Remove the cover and insert the manual handle Fig 3 6 into the desired port of the automatic transfer switch Fig 3 7 Unscrew cover 4 places and use handle stored under cover to toggle ...

Page 43: ...d by the label Be sure to toggle the handle until no further travel is permissible Remove the manual operating handle and return it to the proper storage location before conducting any electrical transfers 6 To return to Automatic mode ensure both source contacts are in the Open position Fig 3 9 and return the HMI Transfer Settings to Automatic transfer mode see Section 4 3 STEP1 Both UP Source1 S...

Page 44: ...44 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 45: ... voltages and frequencies of both supplies and the switch position Supply info view Shows voltages and frequencies of both supplies Temperature view Shows the HMI device and pole temperatures HMI temperature indicates ambient temperature where the ATS power panel is installed when HMI is mounted to door Device temperature indicates the temperature inside the ATS controller Pole temperature indicat...

Page 46: ...e lower edge of the screen you will get the Alarm List Alarm List Switch not in AUTO mode Invalid Date Fig 4 5 After you have changed the parameter go back in the menu by pressing the on the top left corner or Home key and when prompted confirm changes by Confirm option The small icons in System Overview pages are On upper right corner Indicates the amount of pages and the page where you are at th...

Page 47: ...tion Parameters Measurements About Test Settings TruONE ATS Information When you have changed the parameter go always back in the menu and confirm the change always when asked Information The default values are marked in the menu tree by marking Password The default password is 00001 enter the password when prompted see Fig 4 1 Password Confirm 0 Fig 4 7 Enter the password when asked choose the ri...

Page 48: ... remove the generator start signal but user intervention is required to initiate transfer and retransfer MAN Permanent Manual operation mode but no manual mode warnings are shown by HMI ATS will automatically send and remove the generator start signal but user intervention is required to initiate transfer and retransfer MAN retransfer Same as Automatic Operation Mode but automatic retransfer seque...

Page 49: ...2 1 Phase 2 Wire 1 Phase 3 Wire Split Phase 3 Phases no Neutral 3ph3w 3 Phase with Neutral 3ph4w 3 Phase High Leg Delta Rated Voltage 200 V 3ph 208 V 3ph 220 V 3ph 230 V 3ph 240 V 3ph 277 V 3ph 347 V 3ph 380 V 3ph 400 V 3ph 415 V 3ph 440 V 3ph 460 V 3ph 480 V 3ph 200 V 1ph 220 V 1ph 230 V 1ph 240 V 1ph Rated Frequency 50 Hz 60 Hz Neutral Pole Location Pole 4 1 Pole 1 Phase Sequence ABC ACB Not Ena...

Page 50: ...he device waits before transfer sequence back to available S2 begins This delay is bypassed by Override S1 Failure in case of S1 failure Pre transfer signal 1 2 3 4 Pre transfer S1 to S2 Post transfer S1 to S2 Pre transfer S2 to S1 Post transfer S2 to S1 0 300 s Enabled only when any digital outputs is configured as Pre transfer Signal Pre transfer How long the device is keeping pre transfer signa...

Page 51: ...ator Pre transfer signal 1 2 3 4 Elevator Pre signal S1 S2 Elevator Post signal S1 S2 Elevator Pre signal S2 S1 Elevator Post signal S2 S1 0 60 s Enabled only when any digital output is configured as Elevator pre signal Pre transfer How long the device is keeping pre signal activated before transferring from S1 to S2 or from S2 to S1 Post transfer How long the device is keeping pre signal activate...

Page 52: ...5 Un Lower Threshold 70 98 Un 85 Un S1 Pick up Voltage Upper Threshold 101 119 Un 114 Un Lower Threshold 71 99 Un 86 Un S1 Drop out Frequency Upper Threshold 101 120 fn 115 fn Lower Threshold 80 99 fn 85 fn S1 Pick up Frequency Upper Threshold 100 5 119 5 fn 114 fn Lower Threshold 80 5 99 5 fn 86 fn S2 Setpoints S2 Drop out Voltage Upper Threshold 102 120 Un 115 Un Lower Threshold 70 98 Un 85 Un S...

Page 53: ... No Function Test on Load Test off load Duration hh mm ss 00 00 00 24 00 59 00 01 00 Time hh mm Starting time of the event 00 00 23 59 Date month day year Starting date of the event Jan 01 2020 Application S1 Transformer S2 Generator S2 Transformer S1 Generator 2 Transformers S1 Priority 2 Transformers S2 Priority 2 Transformers No Priority Commit Transfer Off If priority source fails device cance...

Page 54: ... automatically after high current status Transfer to Dead Source On User can transfer to an unavailable source by using HMI keys I II or by a remote command Off Transfer to an unavailable source is disabled Source Loss Center Off Delay On User can select whether to always run the center off timer or skip it if there is no voltage on any of the phases on the source from where the ATS is transferrin...

Page 55: ...available Minutes Time S2 available Minutes Last generator start MMM DD YYYY hh mm ss Generator starting time How long it took for the generator to become acceptable after latest start s In phase time How long it took for the in phase monitor to achieve synchronized transfer s Event Log View Log 250 time stamped events latest first Clear Log Delete all log entries Harmonics Harmonic components up ...

Page 56: ...ransfer back to priority source Source Priority S1 Sets priority for source 1 in transformer transformer application Source Priority S2 Sets priority for source 2 in transformer transformer application Inhibit Transfer Disables automatic transfer from priority to non priority source Bypass Running Time Delays Bypass any currently running time delay Remote Control to S1 Transfer to S1 when active O...

Page 57: ...rding to pre transfer delay Signal is kept activated according to post transfer delay after transfer Pre transfer Signal 3 Signal is activated and transfer is delayed according to pre transfer delay Signal is kept activated according to post transfer delay after transfer Pre transfer Signal 4 Signal is activated and transfer is delayed according to pre transfer delay Signal is kept activated accor...

Page 58: ...tivated according to Elevator post signal delay after transfer Elevator pre signal 4 Signal is activated and transfer is delayed according to Elevator pre signal delay Signal is kept activated according to Elevator post signal delay after transfer Contact Type NC Active open NO Active closed Modules See Chapter 5 Electronic accessories System RESET to Factory Setting Restore default parameter valu...

Page 59: ...ATION MAINTENANCE AND INSTALL ATION GUIDE Settings continued Default Standard I O Settings continued View Ammeter Phase I Max Ne L1 L2 L3 S1 Voltmeter Phase V Max U12 U23 U31 S2 Voltmeter Phase V Max U12 U23 U31 ...

Page 60: ...onic accessories Test Default On Load Test Settings Bypass Local Test Bypass if Generator Fails Stay on Generator Bypass Remote Test Bypass if Generator Fails Stay on Generator Bypass Generator Exerciser Bypass if Generator Fails Stay on Generator Test On Load Test generator with transferring the load Test with switch transfer Test Off Load Test generator without transferring the load Test without...

Page 61: ...125 V TruONE ATS Overviews Main Menu Measures Analog Meters Fig 4 3 By touching on Start Menu upper right corner image you can find the analog meters information see the table below S1 Voltage meter S2 Voltage meter Current meter Power meter VAR meter VA meter 4 4 Analog meters and Measures ...

Page 62: ...alog Meters 11 06 G Voltages S1 U1 0 0 V U2 0 0 V U3 0 0 V U0 0 0 V U12 0 0 V U23 0 0 V U31 0 0 V TruONE ATS Fig 4 9 By touching on Start Menu lower right corner image you can find the measured data see the table below Voltages S1 Voltages S2 Current Active power Reactive power Apparent power Energy counters ...

Page 63: ...ignalling and Com modules are suit able for all ZTS D 1600 3000 A and ZTSCT 100 3000 A 208 480 Vac auto matic transfer switches These modules are mounted with auxiliary power supply module OXEA1 refer to Chapter 10 3 for further details Ekip modules mounted with auxiliary power supply module are see Chapters 5 4 5 8 Ekip Signalling 2K _ Ekip Com modules Ekip Com Modbus RTU Ekip Com Profibus DP Eki...

Page 64: ...nload it see the address below http www abb com abblibrary DownloadCenter Fig 5 3 Ekip Connect software With its communication function it allows you to Monitor the state of the automatic transfer switches connected and record information Configure the automatic transfer switches with customized parameters Configure the electronic accessories connected to the automatic transfer switch via Local Bu...

Page 65: ...Ekip Connect software update the software and load set and read the pa rameters The Ekip Programming module draws its power from the PC and connects one side directly to the programming port see Fig 5 6 and on the other to the USB port of the PC with the cable supplied Notice Ekip Programming only powers the controller board HMI and external modules excluded Therefore in order to identify all conn...

Page 66: ...tch contacts is not possible Connections are push in spring terminals no tool is required For external wiring cable cross section AWG 22 16 0 5 1 5 mm2 5 3 1 Electrical characteristics The following table lists the electrical characteristics of OXEA1 5 3 2 LED indications Module OXEA1 Power supply input voltage 12 24 V DC 10 SELV Nominal power consumption 5 12 W Inrush current Maximum 2 A Table 5 ...

Page 67: ...rical characteristics of the module Component Characteristics Output contacts Maximum switching voltage 150 V DC 250 V AC Breaking power 2 A 30 V DC 0 8 A 50 V DC 0 2 A 150 V DC 4 A 250 V AC Dielectric strength between each contact and coil 1000 V AC 1 minute 50 Hz Dielectric strength between open contacts 1000 V AC 1 minute 50 Hz Input contacts 5 V 2 5 mA Do not connect to any power supply Data r...

Page 68: ...omatic transfer back to priority source Source Priority S1 Sets priority for source 1 in transformer transformer application Source Priority S2 Sets priority for source 2 in transformer transformer application Inhibit Transfer Disables automatic transfer from priority source to non priority source Bypass Running Time Delays Bypass any currently running time delay Remote Control to S1 Transfer to S...

Page 69: ...y Signal is kept activated according to post transfer delay after transfer Source 1 Available No anomalies in S1 voltage supply Source 2 Available No anomalies in S2 voltage supply Load Shed 1 Used for shedding non essential loads before transferring to non priority source Signal is activated before transferring to non priority source according to load shed delay and kept activated until load is t...

Page 70: ...ing 2K 1 2 3 SN Serial number Version Software version Input 1 The logical state of the inputs Off if not active On if active Input 2 Output 1 The state of the output contacts Open if open Closed if closed Output 2 Table 5 5 Information of Ekip Signalling 2K _ module in HMI Test Modules Optional modules Ekip Signalling 2K 1 2 3 Auto Test Table 5 4 Configuration and test parameters of Ekip Signalli...

Page 71: ...l state of the input H x22 The possible states are Off floating input On fixed input short circuited on H Cx 4 Green3 LED for signalling contact K x1 K x22 The possible states are Off contact open On fixed contact closed 5 Green3 LED for signalling the state of the contact K x3 K x42 The possible states are Off contact open On fixed contact closed 6 Input I x1 7 Conductive part of the inputs H x1 ...

Page 72: ...ansfer switch in an indus trial remote supervision and control net work The module is suitable for all ZTS D 1600 3000 A and ZTSCT 100 3000 A 208 480 Vac automatic transfer switches It can be connected to a RS 485 network with a Modbus RTU communication pro tocol and allows you to Connect the automatic transfer switch to the network with dialog functional ity Provide the status information of the ...

Page 73: ...bus RTU communication active Table 5 6 Indication Ekip Com Modbus RTU module Rterm Rpol 120Ω on on off off ON IA 1 2 3 4 Fig 5 12 Termination resistor To enable the Rterm the dip switches 1 and 2 must be positioned to ON This option must be selected before the installation of the module 5 5 1 2 Termination resistor On the Ekip Com Modbus RTU module it is possible to activate the terminating resis ...

Page 74: ...ces connected to the same network must have different addresses Baudrate 9600 bit s 19200 bit s 38400 bit s Data transmission speed Physical protocol 8 E 1 8 O 1 8 N 2 8 N 1 8 E 1 8 data bits 1 EVEN parity bit 1 STOP bit 8 O 1 8 data bits 1 ODD parity bit 1 STOP bit 8 N 2 8 data bits no parity bit 2 STOP bits 8 N 1 8 data bits no parity bit 1 STOP bit Table 5 7 The path for accessing the configura...

Page 75: ...for all ZTS D 1600 3000 A and ZTSCT 100 3000 A 208 480 Vac automatic transfer switches It can be connected to a network RS 485 of Profibus communication protocol and allows Connecting the automatic transfer switch as a slave to the network with dialog functionality Provide the status information of the automatic transfer switch e g open closed For the communication lines W5 B and W6 A Belden type ...

Page 76: ...ing table illustrates the possi ble signals and their meaning Fig 5 14 Signals of Ekip Com Profibus DB module LED Indication Description Power LED green Off Power supply absent On fixed Power supply and communication with the device present On with one flash per second Power supply and communication with device present On with two quick flashes per second Power supply present and communication wit...

Page 77: ...ings Default value Description Modules Optional modules Ekip Com Profibus DB Serial address 1 125 default 125 Address to be assigned to the modules IMPORTANT devices connected to the same network must have different addresses Table 5 10 Configuration of Ekip Com Profibus DB module in HMI The following table illustrates the path from the display for accessing informa tion on the module About Descri...

Page 78: ... suitable for all ZTS D 1600 3000 A and ZTSCT 100 3000 A 208 480 Vac automatic transfer switches It can be connected to a CAN network with a DeviceNetTM communication proto col and allows you to Connect the automatic transfer switch as a slave to the network with dialog functionality Provide the status information of the automatic transfer switch e g open closed For the communication lines Belden ...

Page 79: ...ower supply present and communication with device absent Network LED red Off Device off line with red LED off 1 or in error conditions with red LED on On fixed Device on line and allocated on a master operating condition On flashing Device on line but not allocated on a master device ready for communication Status LED green Off No error On fixed Device in bus off or Network Power absent condition ...

Page 80: ...20Ω on on off off ON IA 1 2 3 4 Fig 5 18 Termination resistor To enable the Rterm the dip switches 1 and 2 must be positioned to ON This option must be selected before the installation of the module Notice The termination resistors must never be in cluded in the nodes The inclusion of this ca pability could easily lead to a network with im proper termination impedance too high or too low potential...

Page 81: ...dules Ekip Com DeviceNet MAC address 1 63 default 63 Address to be assigned to the modules IMPORTANT devices connected to the same network must have different addresses Baudrate 125 kbit s 250 kbit s 500 kbit s Data transmission speed Table 5 13 The path for accessing the configuration parameters of the Ekip Com DeviceNet module from the display The following table illustrates the path from the di...

Page 82: ...fer switch This access is possible through a browser inserting the IP address of the module as the URL Once the switch has been found a login page is opened that asks for the user password to be inserted which is the same password to be in serted in the display in order to edit parameters Notice Since the module allows access to the data contained in the automatic transfer switch it can only be co...

Page 83: ...ion Power LED green Off Power supply absent On fixed Power supply and communication with the device present On with two quick flashes per second Power supply present and communication with device absent Link LED green Off Connection error signal absent On fixed Correct connection Activity LED yellow Off No activity on the line On flashing Activity present on the line in reception and or transmissi...

Page 84: ...P Function HTTP Server HTTP Server operating mode TCPModbus Communication module operating mode Force Static IP address Off Dynamic IP address On Static IP address Static IP Address Displayed with static IP Address enabled it must be selected in order to insert the IP Address of the modules Static Network Mask Displayed with static IP Address enabled it must be selected in order to insert the subn...

Page 85: ...ess to be forced In this case you must make sure that the IP Address inserted is different to that of the other devices connected to the same network Network Mask This is the subnet mask and identifies the method to recognize the subnet to which the modules belong with the possibility of searching for the modules within a defined set of recipients If you enabled the option Static IP Address you mu...

Page 86: ...sfer switch to the network with dialog functionality Provide the status information of the automatic transfer switch e g open closed Notice The module can only be connected to net works that meet all the necessary require ments for safety and prevention of unautho rized access for example the network of the control system of an installation It is the in staller s responsibility to ensure that all ...

Page 87: ...Link LED green Off Connection error signal absent On fixed Correct connection Activity LED yellow Off No activity on the line On flashing Activity present on the line in reception and or transmission Table 5 20 Indication Ekip Com Profinet module Fig 5 22 Signals of Ekip Com Profinet module The following table illustrates the ports used by the module Ethertype Port Service Notes 0x88CC LLDP Link L...

Page 88: ...a tion on the module About Modules Optional modules Ekip Com Profinet module SN Serial number Version Software version MAC Address It is the address assigned by ABB and with an OUI Organizationally Unique Identifier formed of the first three bytes of a MAC address and which uniquely identifies the manufacturer of an Ethernet device equal to ac d3 64 Table 5 21 Information of Ekip Com Profinet modu...

Page 89: ... be used Cat 6 with S FTP double shielding The following table illustrates the ports used by the module Port Protocol Notes 44818 TCP Encapsulation Protocol example ListIdentity UCMM CIP Transport Class 3 44818 UDP Encapsulation Protocol example ListIdentity 2222 UDP CIP Transport Class 0 or 1 Table 5 22 Ports of Ekip Com EtherNet IP module Notice Since this module allows the access to the data co...

Page 90: ... Power LED green Off Power supply absent On fixed Power supply and communication with the device present On with two quick flashes per second Power supply present and communication with device absent Link LED green Off Connection error signal absent On fixed Correct connection Activity LED yellow Off No activity on the line On flashing Activity present on the line in reception and or transmission ...

Page 91: ... modules Ekip Com EtherNet IP Force Static IP address Off Dynamic IP address On Static IP address Static IP Address Displayed with static IP Address enabled it must be selected in order to insert the IP Address of the modules Static Network Mask Displayed with static IP Address enabled it must be selected in order to insert the subnet mask of the modules Static Gateway addr Displayed with static I...

Page 92: ...P address to be forced In this case you must make sure that the IP Address inserted is different to that of the other devices connected to the same network Network Mask This is the subnet mask and identifies the method to recognize the subnet to which the modules belong with the possibility of searching for the modules within a defined set of recipients If you enabled the option Static IP Address ...

Page 93: ...ion S1 overvoltage Voltage of source 1 is over the threshold level set in parameter Drop out voltage upper threshold Check the correlation between power source and device configuration S1 phase missing One or two phases of source 1 are missing Check the power source and connections S1 unbalance Phases of source 1 are not symmetric Check the power source S1 phase rotation Phase rotation of source 1...

Page 94: ...ailure Alarm LED blinking Switch transfer from position I to O or II failed Reset alarm by pressing Auto button or via menu page Operation Alarm Reset Close I failure Alarm LED blinking Switch transfer to position I failed Reset alarm by pressing Auto button or via menu page Operation Alarm Reset Open II failure Alarm LED blinking Switch transfer from position II to O or I failed Reset alarm by pr...

Page 95: ...ible to be used together Check current versions and update compatible versions Table 6 1 Alarms list in level 3 and 4 LCD and touch control interfaces Message Reason S1 and S2 not in sync Voltage sources are not synchronized Voltage Not Calibrated Calibration data in power module is invalid or unavailable Current Not Calibrated Calibration data in current measurement module is invalid or unavailab...

Page 96: ...ction activated Source 2 Available Digital output function activated Load Shed Digital output function activated Emergency Stop Digital input function activated Remote Test on Load Digital input function activated Remote Test off Load Digital input function activated Inhibit ATS Digital input function activated Manual Retransfer Digital input function activated Priority S1 Digital input function a...

Page 97: ... 8 kV Operating times See Table 7 3 Automatic transfer switch control circuit Value Remark Voltage supply 200 480 Vac Operating voltage range 20 Voltage measurement accuracy 1 Rated frequency 50 60 Hz Operating frequency range 20 Frequency measurement accuracy 0 5 Rated impulse withstand voltage 6 kV 7 Technical data 7 1 General technical data ...

Page 98: ...tage supply 3 T7 5 5 A 250 Vac AC 1 5 A 30 Vdc Programmable output 3 T7 6 Common voltage supply 4 T7 7 5 A 250 Vac AC 1 5 A 30 Vdc Programmable output 4 T7 8 Refer to programming I O packages for terminal usage Fire Fighting applications Cable size 08 1 5 mm 28 16 AWG Only in ZTSD CT types delayed closed transition I O II or II O I Fire fighting input 24 Vdc T9 1 Fire fighting input 24 Vdc T9 2 In...

Page 99: ...nical data of automatic transfer switch Type Voltage Vac Nominal current A Contact transfer time1 I II or II I ms ZTSCT 100 1200A 200 480 40 45 75 ZTS 1600 3000A 200 480 65 75 ZTSD 1600 3000A 200 480 65 75 ZTSCT 1600 3000A 200 480 65 75 1 Under nominal conditions 2 All times consider that all timers are set to 0 Table 7 4 Specified technical data of operating times Do not store the automatic trans...

Page 100: ...TO ABB CONTROLLER FOR USE WITH LOAD SHED OPTION SOURCE 1 INPUT SOURCE 2 INPUT AC LOAD AC J1 SOURCE 1 J2 SOURCE 2 CE CNO CLOSE S1 OPEN S2 CEO CN CN CEO SWITCH CLOSE S2 OPEN S1 OPEN S2 See Fig 7 3 for open transition See Fig 7 4 for delayed closed transition See Fig 7 3 for open transition See Fig 7 4 for delayed closed transition See Fig 7 3 for open transition See Fig 7 4 for delayed closed transi...

Page 101: ...m OPEN TRANSITION POWER PANEL COMPONENT DIAGRAM J5 ATS COMMAND OUT AUTOMATIC TRANSFER SWITCH LIMIT SWITCH ACTUATION CHART X ACTUATED SN 1 SE 1 ATS CONTACT LOCATON SOURCE1 SOURCE2 x x LOCATED ON TRU CONTROL ASSEMBLY LOCATED ON POWER PANEL ASSEMBLY J11 ATS STATUS SW LOCATED ON TRU CONTROL ASSEMBLY ...

Page 102: ...TRANSITION POWER PANEL COMPONENT DIAGRAM T5 ATS COMMAND OUT LOCATED ON POWER PANEL ASSEMBLY AUTOMATIC TRANSFER SWITCH LIMIT SWITCH ACTUATION CHART Delay Trans X ACTUATED SN 1 SNO 1 SEO 1 SE 1 ATS CONTACT LOCATON SOURCE1 OPEN SOURCE2 x x x x x x T11 ATS STATUS SW LOCATED ON TRU CONTROL ASSEMBLY LOCATED ON TRU CONTROL ASSEMBLY ...

Page 103: ...S PANEL x x CUSTOMER AUXILIARY CONTACT CONNECTIONS SOURCE 1 THIS ITEM IS LOCATED ON THE ATS PANEL TB1 TB2 NOTE DIAGRAMS SHOWN WITH ATS IN SOURCE 1 POSITION AND NO POWER AVAILABLE AUXILIARY CONTACT TERMINAL BLOCK TB3 AUTOMATIC TRANSFER SWITCH LIMIT SWITCH ACTUATION CHART X ACTUATED A1 1 2 A4 1 2 ATS CONTACT LOCATON SOURCE1 OPEN SOURCE2 x x CUSTOMER AUXILIARY CONTACT CONNECTIONS SOURCE 1 THIS ITEM I...

Page 104: ...0 19 5 495 4 A 440 220 40 1016 74 1880 19 5 495 800 2 A 460 209 40 1016 74 1880 19 5 495 3 A 460 209 40 1016 74 1880 19 5 495 4 A 510 231 40 1016 74 1880 19 5 495 1000 1200 2 A 500 227 40 1016 74 1880 19 5 495 3 A 500 227 40 1016 74 1880 19 5 495 4 A 550 249 40 1016 74 1880 19 5 495 ZTS ZTSD ZTSCT 1600 3000 3 B 1375 624 35 5 902 90 2286 47 8 1214 4 B 1480 671 35 5 902 90 2286 47 8 1214 1Enclosures...

Page 105: ...105 1 OPER ATION MAINTENANCE AND INSTALL ATION GUIDE Fig 7 9 Figure B C A B Fig 7 8 Figure A A B C ...

Page 106: ...106 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 107: ... and accessories are easily replaceable Refer to Chapter 11 for replacement parts On the other hand when the contacts have seen an event or have met the end of their lifetime the whole switch should be replaced which can be done easily by replacing the complete TruONE power panel within the enclosure In the case you suspect a failure may be due to manufacturer defect and covered under warranty see...

Page 108: ...108 1 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 109: ...ause dam age Use an industrial quality vacuum cleaner to remove any dirt or foreign objects Be certain all cable connections are correct and that the phase rotation of both sources match Inspect the engine start connections and ver ify the correct connection of all control wires Check all programmable set points and adjust as necessary In addition adjust any optional accessories as required Be cer...

Page 110: ...e 9 1 Required tools for common installation and maintenace tasks 9 2 Equipment Inspection and Storage Warning When performing a hi pot or dielectric test on the power section of the ATS panel DISCON NECT the complete electronics controller and mechanism section of the ATS from the power section to avoid potential damage to the electronics Once you have received the transfer switch inspect it for ...

Page 111: ... of transpor tation air sea and road Once you un pack the units please make sure all the components are received as per the BOM For any missing items contact your local ABB Zenith service representative Danger Hazardous Voltage can Cause Severe Injury or Death Turn OFF all power before installation adjustment or removal of transfer switch or any of its components Warning Due to hazardous voltages ...

Page 112: ...hat the hooks are pointing outward Lifting eyelets Fig 9 1 Automatic Transfer Switch Enclosed Assembly Lifting locations Note When lifting the switch using a spreader bar height H must be equal to half of distance D Fig 9 2 Recommended Lifting Angle 4 Refer to the dimensional drawing for the center of gravity denoted as CG weight information lifting provision and anchoring hole pattern on lower mo...

Page 113: ...ackets 3 Controller and other electronic compo nents are mounted inside a separate card board box on the wooden pallet 4 Refer to the dimensional drawing for the CG weight information and lifting provisions to select the properly rated lifting devices 5 While lifting the unit using lifting chains it is recommended to maintain a minimum of a 45 angle as shown in Fig 9 2 6 ABB Zenith Automatic Trans...

Page 114: ...2 114 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A Fig 9 5 9 6 R5 Lifting points ...

Page 115: ... 1 Mounting hole dimensions Fig 9 7 Automatic transfer switches Floor mounting hole dimensions for 63L 100 1200 A Fig 9 8 Automatic transfer switches Floor mounting hole dimensions for R5 1600 3000 A 7 0 178 7 0 178 33 5 851 7 0 178 7 0 178 625 15 88 8 HOLES 15 5 394 1 5 38 38 0 965 562 14 27 4 HOLES ...

Page 116: ...ons R5 Fig 9 10 Automatic transfer switch mounting hole dimensions R5 3 pole Fig 9 11 Automatic transfer switch mounting hole dimensions R5 4 pole 30 7 780 25 3 642 2 0 TYP 50 1 0 TYP 26 512 TYP 13 00 1 2 TYP 31 28 9 734 1 0 TYP 26 2 0 TYP 50 9 8 249 25 8 655 25 3 642 1 2 TYP 31 24 0 609 512 TYP 13 00 1 0 TYP 26 2 0 TYP 50 1 0 TYP 26 2 0 TYP 50 9 8 249 ATS panel mounting holes 8 ...

Page 117: ...ons 63L Fig 9 13 Automatic transfer switch mounting hole dimensions 63L 2 pole 3 pole Fig 9 14 Automatic transfer switch mounting hole dimensions 63L 4 pole ATS panel mounting slots 4 29 6 752 17 7 449 11 9 303 19 4 493 31 5 800 9 TYP 22 75 TYP 19 1 2 3 pole 11 9 303 25 2 640 31 5 800 23 4 595 29 6 752 4 pole ...

Page 118: ...llation Fig 9 15 HMI can be mounted on the switch or the door door drilling HMI protective cover available as accessory type OXEC21 provides protection against accidental contact see Chapter 10 4 Mounting of accessories HMI mounted on front side of door Cable supplied with unit Door ...

Page 119: ...56 5 Source 1 Source 2 Load S 1393F 2 AWG 600 MCM 2 500 56 5 800 Source 1 Source 2 Load S 1392F 2 AWG 600 MCM 4 500 56 5 Source 1 Source 2 Load S 1392F 2 AWG 600 MCM 4 500 56 5 Source 1 Source 2 Load S 1392F 2 AWG 600 MCM 4 500 56 5 1000 1200 Source 1 Source 2 Load S 1392F 2 AWG 600 MCM 4 500 56 5 Source 1 Source 2 Load S 1392F 2 AWG 600 MCM 4 500 56 5 Source 1 Source 2 Load S 1392F 2 AWG 600 MCM ...

Page 120: ...es of the power connections 8 Make sure that all covers and barriers are installed and properly fastened For simple details on start up refer to ZTS Quick start guide document number 1SCC303027K0201 Each ABB Zenith transfer switch is factory wired and tested A complete information package is furnished with each switch which includes Sequence of operation Description and operation of all accessorie...

Page 121: ...act wiring 6 Flip slide switch Fig 2 1 number 4 to AUTO 7 Ensure that all objects and debris are removed from enclosure and enclosure is closed and latched Energizing the panel 1 Close Source 1 circuit breaker NOTE The HMI should illuminate if line voltage is present and S1 LED should light up 2 Verify the phase to phase voltages at the Source 1 terminals 3 Initiate auto configure from HMI default...

Page 122: ...2 122 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 123: ...ormation see animation Installation of accessories TruONE ATS https youtu be qV2KoIv38GY 10 1 Auxiliary power supply and Ekip modules ZTS D T series 1600 3000 A and ZTSCT T series 100 3000 A 208 480 Vac Automatic transfer switches can be equipped with Ekip modules Ekip modules are mounted with a auxiliary power supply module OXEA1 Suitable Ekip modules are Ekip link signalling and connectivity mod...

Page 124: ...0 3000 A ZTSCT T SERIES 100 3000 A Fig 10 2 Removing the auxiliary power supply module OXEA1 and Ekip modules from the automatic transfer switch Fig 10 1 Mounting of the auxiliary power supply module OXEA1 and Ekip modules Ekip OXEA1 ...

Page 125: ...mm 0 16 in Torx TX 6 pcs 0 8 Nm 7 1 lb in 1 2 OXEC21 IP54 UL Type 3R HMI protective cover type OXEC21 provides protection against water ingress It comes standard with NEMA 3R enclosures and is available as a replacement part Fig 10 3 Mounting of HMI protective cover type OXEC21 A07491 ...

Page 126: ...2 126 ZENITH ZTS D T SERIES 1600 3000 A ZTSCT T SERIES 100 3000 A ...

Page 127: ...ier 30 1200 Amps 3 pole OXEB1600 4 30 1200 Amps 4 pole OXEB1600 6 ETHERNET CAT 5e CABLE 7FT OXCAT5E 7FT PS 9862 ETHERNET CAT 5e CABLE 10FT OXCAT5E 10FT PS 9863 Ekip Programming ZEAEKPPGM Window Kit Window Kit NEMA 4 4X 12 No Meter OXWINDOWKIT MTR PS 9930 Window Kit NEMA 4 4X 12 With Meter OXWINDOWKIT PS 9931 HMI protective cover IP54 OXEC21 Cover kit OXCOVERKIT Rogowski coils Rogowski 30 260A 3P O...

Page 128: ...oad Source S1 30 60 2 1 X OZXA 100 4P OZXA 24 2P 3 1 X OZXA 100 OZXA 24 3P 4 2 X OZXA 100 4P OZXA 24 4P 100 200 2 1 X OZXA 200 4 OZXA 25 2P 3 1 X OZXA 200 OZXA 25 3P 4 2 x OZXA 200 4 OZXA 25 4P 260 400 2 1 X OZXA 412 4 OZXA 412L 2P 3 1 X OZXA 412 OZXA 412L 3P 4 2 X OZXA 412 4 OZXA 412L 4P 600 3 1 X OZXA 800E OZXA 800L 3 4 2 x OZXA 800E 4P OZXA 800L 4 800 1200 3 OZXA 800S OZXA 1200 4 2 X OZXA 800S ...

Page 129: ...129 1 OPER ATION MAINTENANCE AND INSTALL ATION GUIDE ...

Page 130: ...ns subject to change without notice Zenith ZTS TruControl rev A 1SCC301107M0201 21 10 2021 ABB Zenith Controls Inc 305 Gregson Drive Cary NC 27511 24 hour support ABB Technical Services 1 800 637 1738 epis pqservice abb com abb com lowvoltage Contact us ...

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