Eaton Cooper Power Series Maintenance Instructions Manual
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Eaton Cooper Power Series Maintenance Instructions Manual

Eaton Cooper Power Series Maintenance Instructions Manual

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Reclosers
MN280064EN
Type VSA12, VSA16 and VSA20/800 maintenance instructions
COOPER POWER
Effective October 2017
Supersedes June 1991 (S280-45-5)
SERIES

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Summary of Contents for Eaton Cooper Power Series

  • Page 1 COOPER POWER Reclosers SERIES Effective October 2017 MN280064EN Supersedes June 1991 (S280-45-5) Type VSA12, VSA16 and VSA20/800 maintenance instructions...
  • Page 2 CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or other-wise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to...

  • Page 3: Table Of Contents

    Contents DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I SAFETY FOR LIFE .

  • Page 4: Safety For Life

    SAFETY FOR LIFE FOR LIFE Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power series products. ™ We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, and service.

  • Page 5: Introduction

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Introduction Recloser tripping employs stored spring energy. The stored spring energy is released, to open the recloser, when the trip solenoid is actuated by the 24 Vdc trip signal. The 24 Service Information MN280064EN covers the maintenance Vdc trip signal is originated at the recloser control.

  • Page 6: Specifications And Ratings

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Contact position indicator Auxiliary switch (accessory) Trip-reset knob Drive motor Operation counter Spring charge indicator Operator cabinet heater Manual close lever Multi-ratio current transformer terminal board (accessory) Manual close lever Manual trip lever Figure 2 .

  • Page 7: Maintenance

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Periodic maintenance inspection Table 5 . Current ratings Each maintenance inspection at the completion of an VSA-12 VSA-16 VSA-20 equivalent duty cycle should include at least the following: Continuous current rating (A) Symmetric interrupting current (A) 12,000 16,000 20,000...

  • Page 8: Manual Operation

    Type VSA12, VSA16 and VSA20/800 maintenance instructions IMpORTANT Form 3A electronic control must be equipped with the KA1175ME fuse accessory . This accessory supplies a MDQ-2 .5 closing coil control fuse which is required to operate the closing solenoid . Controls must not be programmed with reclose delay intervals that are shorter than 0 .5 second .

  • Page 9: To Open Recloser

    Type VSA12, VSA16 and VSA20/800 maintenance instructions To open recloser When closing spring status indicator reads SPRINGS CHARGED, lift up the MANUAL CLOSE lever on the To release the opening spring either pull down the TRlP operating mechanism, or pull the external MANUAL RESET knob on the front of the operator mechanism or the CLOSE pullring to release the charged springs an close PULL TO OPEN pullring under the cabinet.

  • Page 10: Shop Maintenance Instructions

    Type VSA12, VSA16 and VSA20/800 maintenance instructions If the recloser passes the closed contacts tests Twist off the split aluminum ring from the old bushing (Tests1 and 2) but fails the open-contacts test (Test and install on the new bushing porcelain, if it is still in 3) a deteriorated vacuum in one or more of the good condition;...

  • Page 11: Operating Mechanism

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Loosen bolts that secure upper interrupter clamp. As 10. Carefully place interrupter and lower current exchange clamp is loosened atmospheric pressure, acting on assembly into position; situate moving contact rod the bellows, will cause the contact rod to move down within upper clamp as assembly is installed.
  • Page 12 Type VSA12, VSA16 and VSA20/800 maintenance instructions The major components of the operating mechanism are Turn operating bar clockwise 90 degrees to isengage easily accessible without need to remove the mechanism. roll pin from anti-bounce latch. However, if necessary, the complete operating mechanism Unplug wiring harness from panel board on the back of can be removed from the operating cabinet as a unit.

  • Page 13: Motor

    Type VSA12, VSA16 and VSA20/800 maintenance instructions 10. Remove two 3 ⁄ 8 inch hex nuts and lockwashers from switch. The motor has permanently lubricated, sealed ball- top of mechanism channel. bearings that require no service. Periodically check motor brushes for wear or burning, replace as required. 11.

  • Page 14: Gear Reduction Unit

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Brush replacement Sensing current transformer tests Remove brush caps and carefully pull old brushes The sensing transformers can be tested using the circuits from motor. shown in Figure 16. Connect all three phases of the recloser in series across a 100 ampere ac test supply and close the Install new brushes, with cove positioned to cup over recloser with the manual closing crank.

  • Page 15: Control Cable Check

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Recloser contacts in closed position 100 AMp AC test circuit Test leads connecting phases in series Control cable receptacle sockets Sensing CT’S Test leads connect bushing CT secondaries in parallels Ratio test circuit (A) polarity test circuit (B) Figure 16 .
  • Page 16 Type VSA12, VSA16 and VSA20/800 maintenance instructions diagram of recloser circuits is shown in Figure 21. MANUAL CLOSE OPEN SWITCH 152/MCS CLOSED SPRING POSITION OPEN SWITCH (240 Vac) 152/SP2 CLOSED CAM OPERATED OPEN SWITCH OPEN MOTOR CIRCUIT 152/aa1 CLOSED MOTOR M ENERGIZED DE-ENERGIZED CLOSING...
  • Page 17 Type VSA12, VSA16 and VSA20/800 maintenance instructions (230V) (24V) AUXILIARY SWITCH 152 “a” CONTACT TO OPEN 152 TRIP COIL (SOLENOID) TRIP COIL DIODES 1N3209 152 “a” CONTACT TO OPEN 152 CLOSE COIL (SOLENOID) SURGE CAPACITOR TRIP CIRCUIT MECHANISM CABINET 152 SPRING POSITION 152 MANUAL CLOSE SWITCH HEATER SWITCH (24Vdc)
  • Page 18 Type VSA12, VSA16 and VSA20/800 maintenance instructions MULTI-RATIO CT (ACCESSORY) X2J X1 PHASE C PHASE B PHASE A AUXILIARY SWITCH (ACCESSORY) RECEPTACLE AND PLUG "b" "a" "b" "a" "b" "a" "b" "a" "M" BATTERY CHARGER "TB" (ACCESSORY) 3.5K HEATERS AUXILIARY SWITCH RECEPTACLE WIRING MECH.
  • Page 19 Type VSA12, VSA16 and VSA20/800 maintenance instructions 24 V.D.C. TRIP CIRCUIT CLOSING CIRCUIT 2AMP TYPE FRN-R2 2 AMP TYPE FRN-R2 2 AMP TYPE FRN-R2 "M" 2 AMP TYPE FRN-R2 Figure 21 . Schematic diagram of recloser circuits MAINTENANCE INSTRUCTIONS MN280064EN October 2017...

  • Page 20: Service Parts List

    Eaton’s The service parts and hardware listed and illustrated include Cooper Power series reclosers that may not be readily only those parts and assemblies usually furnished for repair locally available.
  • Page 21 Type VSA12, VSA16 and VSA20/800 maintenance instructions 38 40 25 16 Figure 22 . Bushings and Interrupters MAINTENANCE INSTRUCTIONS MN280064EN October 2017...

  • Page 22: Bushings And Interrupter (Figure 22)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Bushings and interrupter (Figure 22) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. Bushing assembly,long lead Vacuum interrupter (items 1 thru 4) VSA12 KA717VS1 Bushing assembly, short lead VSA16 KA717VS4 (items 1,2, 3, 5)
  • Page 23 Type VSA12, VSA16 and VSA20/800 maintenance instructions Figure 23 . Interrupter cabinet MAINTENANCE INSTRUCTIONS MN280064EN October 2017...

  • Page 24: Interrupter Cabinet (Figure 23)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Interrupter Cabinet (Figure 23) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. Interrupter cabinet cover KA281VS Washer, 3/8, st stl K900215037000A Enclosure KA177VS Lock washer, 3/8 external tooth K901101037000Z Rear cover support KA178VS Heater guard...

  • Page 25: Operating Linkage Assembly (Figure 24)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Operating linkage assembly (Figure 24) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. Connector and rod assembly KA223VS3 Link KP1400VS Spacer KP3009A92 Groove pin KP3126A14 Retaining ring, Type C, stl K970901375000M Groove pin...

  • Page 26: Operator Cabinet (Figure 25)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Operator cabinet (Figure 25) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. Cabinet assembly, complete KA154VS4 Nut, hex, #8-32, st stl K880215132008A (includes items 1 thru 11) Lockwasher, #8, med, st stl K900815008000A Cabinet only...
  • Page 27 Type VSA12, VSA16 and VSA20/800 maintenance instructions Figure 26 . Terminal panel MAINTENANCE INSTRUCTIONS MN280064EN October 2017...

  • Page 28: Terminal Panel (Figure 26)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Terminal Panel (Figure 26) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. Terminal strip KP2101A56 Hex nut, #8-32, stl K881015132008A Machine screw, Fuse box KP2261A1 K721515106062A rd hd, #6-32 x 5/8, stl Machine screw,...
  • Page 29 Type VSA12, VSA16 and VSA20/800 maintenance instructions RESET TRIP SPRINGS DISCHARGED SPRINGS CHARGED MANUAL CLOSE ELECTRONIC CONTROL MUST USE TYPE MDQ-2.5 FUSE ONLY TYPE"VSA" Figure 27 . Decals and Labels MAINTENANCE INSTRUCTIONS MN280064EN October 2017...

  • Page 30: Decals And Labels (Figure 27)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Decals and labels (Figure 27) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. Nameplate, 12KA KP1428VS Decal KP1071VS-1 Nameplate, 16KA KP1289VS Decal KP1209VSM Nameplate, 20KA KP1430VS Decal KP1208VSM...

  • Page 31: Operating Mechanism Electrical Parts (Figure 28)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Operating mechanism electrical parts (Figure 28) Qty. per Qty. per Item no. Description Catalog number Assy. Item no. Description Catalog number Assy. Lever KP1029VS Split lockwasher, med, #10, stl K900810010000Z Roll pin, 3/32 x 3/4, stl K970801043075M 1 Plain washer, #10, brass K900525020043Z...
  • Page 32 Type VSA12, VSA16 and VSA20/800 maintenance instructions Figure 29 . Operator mechanism mechanical parts MAINTENANCE INSTRUCTIONS MN280064EN October 2017...

  • Page 33: Operating Mechanism Electrical Parts (Figure 29)

    Type VSA12, VSA16 and VSA20/800 maintenance instructions Operating mechanism electrical parts (Figure 29) Qty. per Qty. per Item no. Description Catalog number assy. Item no. Description Catalog number assy. External trip pullring KP1240VSM2 Hex nut, #6-32, stl K881001132006Z Cotter pin, 1/16 x 1, brass K970525062100A Coupling KP1278VSM...
  • Page 34 Type VSA12, VSA16 and VSA20/800 maintenance instructions This page intentionally left blank. MAINTENANCE INSTRUCTIONS MN280064EN October 2017...
  • Page 35 Type VSA12, VSA16 and VSA20/800 maintenance instructions This page intentionally left blank. MAINTENANCE INSTRUCTIONS MN280064EN October 2017...
  • Page 36 2300 Badger Drive Waukesha, WI 53188 United States Eaton.com/cooperpowerseries © 2017 Eaton All Rights Reserved Eaton is a registered trademark. For Eaton’s Cooper Power series product Printed in USA information Publication No. MN280064EN call 1-877-277-4636 or visit: All trademarks are property www.eaton.com/cooperpowerseries.

This manual is also suitable for:

Cooper power vsa12Cooper power vsa16Cooper power vsa20/800

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