Eaton Cooper Power NOVA NX-STS User Manual Download

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NOVA NX-STS single-tank, triple-single, electronically controlled

recloser installation and operation instructions

Reclosers

MN280103EN

Effective March 2023
New Issue

COOPER POWER

SERIES

Summary of Contents for Cooper Power NOVA NX-STS

Page 1: ...NOVA NX STS single tank triple single electronically controlled recloser installation and operation instructions Reclosers MN280103EN Effective March 2023 New Issue COOPER POWER SERIES...

Page 2: ...A PARTICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS...

Page 3: ...2 DIMENSIONS 3 INSTALLATION PROCEDURE 7 Removing recloser from service 9 RECLOSER OPERATION 10 Vacuum interrupter 10 Mechanism tripping and closing 10 Electronic control 11 Manual operation of energi...

Page 4: ...nts WARNING INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH IF NOT AVOIDED COULD RESULT IN DEATH OR SERIOUS INJURY CAUTION INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH IF NOT AVOIDED MAY RESULT...

Page 5: ...for damage incurred during shipment If damage is discovered file a claim with the carrier immediately Handling and storage Be careful during handling and storage of the NOVA NX STS recloser to minimi...

Page 6: ...32 5 41 6 32 5 41 6 32 5 32 5 Rated duration of short circuit s 3 3 3 3 3 3 Rated short circuit breaking current kA sym 12 5 16 12 5 16 12 5 12 5 Rated symmetrical short circuit making current kA sym...

Page 7: ...110 kV BIL inches mm 15 kV 125 kV BIL inches mm 27 kV 125 kV BIL inches mm 27 kV 150 kV BIL inches mm 38 kV 170 kV BIL inches mm Terminal to terminal 41 40 1052 0 41 40 1052 0 41 40 1052 0 41 40 1052...

Page 8: ...0 38 0 170 kV BIL 58 20 1478 0 27 40 696 0 ote N All dimensions are in inches mm Dimensions shown are approximate 36 59 929 0 36 59 929 0 47 69 1211 0 A 15 24 387 0 42 87 1089 0 15 50 394 0 15 50 394...

Page 9: ...s mm Dimensions shown are approximate Ground lug Grounding connection 0 50 mounting bolts 3 for outboard mounting 3 for inboard mounting 5 94 151 0 29 88 759 0 15 54 395 0 5 38 137 0 29 88 759 0 15 54...

Page 10: ...8 70 1999 0 Dry 81 10 2060 0 ote N All dimensions are in inches mm Dimensions shown are approximate B B 28 13 715 0 28 18 716 0 29 34 745 0 21 99 559 0 14 23 361 0 Center of gravity for reference only...

Page 11: ...ic condition of the recloser or the vacuum integrity of the interrupter WARNING FALLING EQUIPMENT USE THE LIFTING LUGS PROVIDED AND FOLLOW ALL LOCALLY APPROVED SAFETY PRACTICES WHEN LIFTING AND MOUNTI...

Page 12: ...TO COMPLY COULD CAUSE SEVERE INJURY OR DEATH ote N Control is interlocked such that during normal operation voltage cannot appear unless correct 52a b status is reported by the recloser To ensure pro...

Page 13: ...ED ALWAYS ESTABLISH A VISIBLE DISCONNECT FAILURE TO FOLLOW PROPER SAFETY PRACTICES CAN RESULT IN CONTACT WITH HIGH VOLTAGE WHICH WILL CAUSE DEATH OR SEVERE PERSONAL INJURY 1 Block ground tripping via...

Page 14: ...o the Form 7 recloser control The recloser responds to trip and close commands from the control per the settings programmed in the control Refer to Service Information MN280095EN Form 7 Microprocessor...

Page 15: ...the main contacts of the recloser Contact position is indicated by the OPEN flag of the contact position indicator located on the bottom of the recloser The yellow operating handle will remain down in...

Page 16: ...NG HAZARDOUS VOLTAGE IF TERMINAL CONNECTIONS ARE REVERSED VOLTAGE SENSING MAY INDICATE ERRONEOUS VOLTAGES WHEN THE CONTACTS ARE OPEN DO NOT RELY ON VOLTAGE SENSING TO ENSURE THAT THE VOLTAGE IS ZERO A...

Page 17: ...RFACES ARE CLEAN AND DRY BEFORE CONNECTING CABLES VOLTAGE SENSING ERRORS CAN RESULT FROM CONTAMINATION FAILURE TO COMPLY CAN RESULT IN CONTROL AND RECLOSER MISOPERATION The electrical connectors of th...

Page 18: ...ION HAZARDOUS VOLTAGE DO NOT TOUCH THE RECEPTACLE CONNECTIONS OF THE CONTROL VOLTAGE SENSING CABLE IF THE RECLOSER IS ENERGIZED AND THE CONTROL VOLTAGE SENSING CABLE IS DISCONNECTED FROM THE RECLOSER...

Page 19: ...ounting hanger Pole mounting accessory One pole mounting hanger which allows a variety of add on components to be mounted such as arresters and PTs dry or oil type is available for pole mount installa...

Page 20: ...full rated ambient temperature range of the recloser and control The accuracy for this system applies when the following conditions are met Voltage range is greater than 50 to 100 of the rated maximum...

Page 21: ...THE SWITCHGEAR APPARATUS AND CONTROL AND HIGH VOLTAGE TRANSFORMER MUST BE IN A TEST CAGE OR SIMILAR PROTECTED AREA TO PREVENT ACCIDENTAL CONTACT WITH THE HIGH VOLTAGE PARTS SOLIDLY GROUND ALL EQUIPMEN...

Page 22: ...ply test voltage to terminals 1 3 and 5 for 60 seconds 9 The recloser should withstand the test voltage for 60 seconds Withstand test results The high potential withstand tests provide information on...

Page 23: ...for damage Check the module surface and major and minor sheds for cracks holes and major chips If damage is present the module must be replaced Contact your Eaton representative 7 If no damage is fou...

Page 24: ...rip Alt COIL Vendor Specific Close Trip COIL Close Trip Aux 52a Aux 52b Aux COM 69b combined SWITCH COM 52a 52b 69a Source VS Load VS VS Neutral PRESENT ONLY IF AUX SWITCH IS ORDERED THESE SIGNALS TER...

Page 25: ...re 17 for typical configuration Phase C Internal Wiring See Figure 17 for typical configuration E SHIELD f VS Shield C CT C M Coil PhC Standard Interface Close Trip P Coil PhC Close Trip Y 52a PhC b 5...

Page 26: ...S MN280103EN March 2023 www eaton com Figure 19 Auxiliary switch accessory wiring Phase A Phase B Phase C B1 F5 F3 F4 Aux 52a Aux 52b Aux Sw Com Aux 52a Aux 52b Aux Sw Com Customer connection B1 F5 F3...

Page 27: ...23 Service information INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www eaton com This page is intentionally left blank...

Page 28: ...aton com cooperpowerseries 2023 Eaton All Rights Reserved Printed in USA Publication No MN280103EN Z27254 March 2023 KA2048 0774 Rev 00 Eaton is a registered trademark All trademarks are property of t...

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