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TABLE 9.2 RECOMMENDED SPARE PARTS LIST - TYPE H3 DRAW OUT BREAKER

30H3 (21")

42H3 (21")

50H3 (21")

Item No.

Spare Part Description

Qty. per
Breaker

600/800

1600

2000

Centre Stationary Main Contact

49E-577

49E-550

Lower Stationayr Main Contact (Drawout)

271A-584

271A-507

271A-506

Upper Stationary Main Contact (Drawout)

49E-554

49E-548

49E-549

Main Draw-Out Contact Assembly (Finger Cluster)

49E-130

49E-519

49E-572, -573

Front Flash Shield

182A-542B

Interphase Barrier

13A-574C

Left Hand End Barrier

13A-576C

Right Hand End Barrier

13A-575C

Arc Chute Assembly

70.51.011C.001

Moving Arcing Contact

70.54.001A.001

Fixed Arcing Contact

49E-673

Main Braid

70.13.006A.001

Not Shown

Adjustment Shim

Ref.

241A-512

Main Moving Contact (Wafer)

49E-575

Main Moving Contact (Wafer)

49E-575

Main Moving Contact Spring

242A-521

242A-520

Main Moving Contact Spring

242A-520

Main Moving Contact Spring Guide

55B-502

Not Shown

Spacer for Water (Inner)

241B-533

Not Shown

Spacer for Water (Inner)

241B-533

Not Shown

Spacer for Water (Outer)

241B-532

Not Shown

Moulded Water Contact Spacer

241A-70

NOT REQ'D

65H3 (27")

75H3 (27")

100H3 (27")

100H3 (33")

No.

Spare Part Description

Qty.

1600/2000

3000/3200

4000

6000

Centre Stationary Main Contact

49E-577

49E-550

49E-624

Not Applicable

Lower Stationayr Main Contact (Drawout)

271A-584

271A-507

271E-601

49E-646

Upper Stationary Main Contact (Drawout)

49E-554

49E-548

49E-623

49E-674

Main Draw-Out Contact Assembly (Finger Cluster)

49E-130

49E-519

49E-509C

49E-668, -671

Front Flash Shield (Left Hand Side)

182A-41A-1

182A-617

Front Flash Shield (Right Hand Side)

182A-40A-1

182A-618

Interphase Barrier

13A-578C

13A-634, -635

End Barrier

13A-172A-1

13A-172A-2

13A-632, -633

Arc Chute Assembly

70.51.011C.001

70.51.011C.003, .004

Moving Arcing Contact

70.54.001A.001

Fixed Arcing Contact

49E-673

Main Braid

70.13.006A.001

Not Shown

Adjustment Shims

Ref.

241A-512

241A-547

Main Moving Contact (Wafer)

49E-575

Main Moving Contact Spring

242A-520

242A-521

242A-520

Not Shown

Main Moving Contact Spring Guide

55B-502

55B-504, -505

Not Shown

Spacer for Water (Inner)

241B-533

Not Shown

Spacer for Water (Outer)

241B-532

Not Shown

Moulded Water Contact Spacer

241B-70

NOT REQ'D

30H3 (14")

42H3 (14")

50H3 (14")

No.

Spare Part Description

Qty.

600/800

1600

Centre Stationary Main Contact

49E-577

49E-550

Lower Stationayr Main Contact (Drawout)

271A-584

271A-507

Upper Stationary Main Contact (Drawout)

49E-554

49E-584

Main Draw-Out Contact Assembly (Finger Cluster)

49E-130

49E-519

Front Flash Shield

182A-30

182A-39

182A-30

Interphase Barrier

13A-574C

End Barrier

13A-172A-1

13A-172A-2

Arc Chute Assembly

70.51.011C.001

Moving Arcing Contact

70.54.001A.001

Fixed Arcing Contact

49E-673

Main Braid

70.13.006A.001

Not Shown

Adjustment Shim

Ref.

241A-512

Main Moving Contact (Wafer)

49E-575

Main Moving Contact (Wafer)

49E-575

Main Moving Contact Spring

242A-521

242A-520

Main Moving Contact Spring

242A-520

Main Moving Contact Spring Guide

55B-502

Not Shown

Spacer for Water (Inner)

241B-533

Not Shown

Spacer for Water (Inner)

241B-533

Not Shown

Spacer for Water (Outer)

241B-532

Not Shown

Moulded Water Contact Spacer

241-70

NOT REQ'D

Courtesy of NationalSwitchgear.com

Содержание H-3

Страница 1: ...INSTRUCTIONS FOR THE CARE AND MAINTENANCE OF H 3 AND HL 3 CIRCUIT BREAKERS C 3 222 1 April 2000 FEDERAL PIONEER Courtesy of NationalSwitchgear com...

Страница 2: ...IPMENT REFERENCE TO THIS MANUAL AND ADHERENCE ITS RECOMMENDATIONS WILL ENHANCE THE PERFORMANCE OF THESE BREAKERS UNDER ALL CONDITIONS THIS MANUAL DOES NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS OF...

Страница 3: ...ONAL VIEW 3 3 BREAKER FACEPLATE AND CONTROLS 4 BREAKER OPERATION 4 1 DRAWOUT MECHANISM BREAKER INSERTION AND REMOVAL 4 2 GROUNDING CONTACT 4 3 SECONDARY CONTROL CONTACTS 4 4 BREAKER CLOSING 4 5 CLOSIN...

Страница 4: ...KER AN EXAMINATION SHOULD BE MADE FOR DAMAGE SUSTAINED IN TRANSIT IF DAMAGE HAS OCCURRED OR THERE IS EVIDENCE OF ROUGH HANDLING A CLAIM SHOULD BE FILED IMMEDIATELY WITH THE TRANSPORTATION COMPANY AND...

Страница 5: ...CUITS CONTROL CIRCUIT WIRING WHERE APPLICABLE SHOULD BE MADE IN STRICT ACCORDANCE WITH DETAILED WIRING DIAGRAMS FIXED MOUNTED BREAKERS ARE PROVIDED WITH TERMINAL BLOCKS FOR CONNECTIONS TO REMOTELY LOC...

Страница 6: ...2 LOAD TERMINAL 53 ANTI BOUNCE PLATE 54 BASE MOULDING 55 TRIP FLIPPER 56 TRIP COIL ASSEMBLY 57 LOWER CHANNEL 58 FINGER SPACER 59 DRAWOUT CONTACT ASSEMBLY 60 SLS CAM 61 GROUND CONTACT 62 LOWER FLASH SH...

Страница 7: ...D RESET TYPE HL 3 UNITS ONLY 8 MANUAL CLOSE M O UNITS ONLY 17 ELECTRICAL CLOSE E O UNITS ONLY 9 APERTURE FOR EMERGENCY MANUAL CLOSE E O UNITS ONLY 18 ELECTRICAL TRIP E O UNITS ONLY 10 FACEPLATE KEY IN...

Страница 8: ...N THE CRADLE BREAKER DRAWOUT MECHANISM IS DISENGAGED ALL CONTACTS ARE DISENGAGED 4 1 DRAWOUT MECHANISM BREAKER INSERTION AND REMOVAL THE THREE POSITIONS OF A DRAWOUT MOUNTED BREAKER ARE SHOWN BELOW FI...

Страница 9: ...OWN IN FIG 4 1 2 OR IN THE OPERATING POSITION AS SHOWN IN FIG 4 1 3 AND REMOVE THE CRANK WHEN CRANKING THE BREAKER INTO THE OPERATING POSITION CONTINUE CRANKING UNTIL THE MECHANISM COMES TO A FIRM STO...

Страница 10: ...6 OSCILLATING LEVER 7 DRIVING PAWL 8 CLOSE COIL 9 SPRING CHARGING MOTOR 10 SPRING LIMIT SWITCH 11 SPRING LIMIT SWITCH LEVER 12 MAIN SPRING 13 AUXILIARY SWITCH 14 CLOSE COIL LIMIT SWITCH FIG 4 4 1 MAN...

Страница 11: ...NG MANUALLY OPERATED BREAKER TO CHARGE THE MAIN SPRING ROTATE THE CHARGING HANDLE COUNTER CLOCKWISE TO THE UPRIGHT POSITION AND PUSH IN TO ENGAGE THE HANDLE WITH THE RATCHET WHEEL CLUTCH ON FRAME SIZE...

Страница 12: ...ATTACHED TO THE SHAFT IS ROTATED TOWARD THE REAR OF THE BREAKER FREEING THE TRIP LATCH BEARING THIS ALLOWS THE UPPER PORTION OF THE CLOSING MECHANISM LINKAGE TO COLLAPSE AND THE ENERGY STORED IN THE M...

Страница 13: ...ING ELECTRICAL OR MECHANICAL TRIP BUTTONS ON FACEPLATE DO NOT USE THE DRAWOUT MECHANISM GATE IF THE MAIN SPRING IS CHARGED RECLOSE THEN TRIP BREAKER FIG 4 1 1 OVERCURRENT PROTECTION I USD RELAY 2 CURR...

Страница 14: ...KED FOR CONTINUITY WHILE IN THE BREAKER THE CONTROL FUSES IN THE ANTI SINGLE PHASE CIRCUIT MUST BE REMOVED OTHERWISE A BLOWN POWER FUSE WOULD STILL INDICATE CONTINUITY THROUGH THE SOLENOID NOTE THIS D...

Страница 15: ...IL TO BE OPERATIVE THE FOLLOWING CONDITIONS MUST BE MET A BREAKER OPEN B CLOSING SPRING FULLY CHARGED SPRING LIMIT SWITCH CLOSED C TRIP LATCH AND LATCH ROLLER ENGAGED LATCH CHECKING SWITCH CLOSED REFE...

Страница 16: ...E CIRCUIT HAS BEEN DE ENERGIZED SPRING RECHARGING FUNCTION AND CONSEQUENTLY BREAKER CLOSING IS BLOCKED THE CLOSING COIL SWITCH CONTACTS ARE IDENTIFIED ON THE WIRING DIAGRAM BY THE SYMBOL CC 4 18 SPRIN...

Страница 17: ...THE CLOSING COIL IS ENERGIZED BOTH CC SWITCHES ARE OPERATED A CLOSING CONTACT OF ONE CC SWITCH NOW ENERGIZES THE A P R COIL ONE OF THE CLOSING A P R CONTACTS PARALLELS THE CC SWITCH CONTACT PROVIDING...

Страница 18: ...E PREVENTS RECLOSING OF THE BREAKER EITHER MANUALLY OR ELECTRICALLY AFTER THE BREAKER HAS BEEN TRIPPED BY THE OVERLOAD RELAY UNTIL THIS DEVICE IS MANUALLY RESET FIG 5 6 OVERLOAD LOCKOUT SHOWN IN OPERA...

Страница 19: ...T Of ONE BREAKER TO THE TRIP SHAFT OF A SECOND BREAKER AND VICE VERSA DRAWOUT BREAKERS ARE INTERLOCKED BY CABLE CONNECTIONS BETWEEN THE TWO CRADLES THERE ARE NO PERMANENT CONNECTIONS BETWEEN THE BREAK...

Страница 20: ...CHARACTERISTICS 6 5 OPERATE BREAKER SEVERAL TIMES MANUALLY TO ENSURE CORRECT OPERATION NOTE THAT IF AN UNDERVOLTAGE TRIP DEVICE IS INSTALLED ITS MECHANISM MUST BE PHYSICALLY BLOCKED IN THE OPERATED PO...

Страница 21: ...EMOTE CONTROL PROTECTION MONITORING AND ANNUNCIATING CIRCUITS REQUIRED TO BE OPERATIONAL IN TEST POSITION ARE FUNCTIONING CLOSE BREAKER COMPARTMENT DOOR CRANK BREAKER TO OPERATING POSITION OPERATE BRE...

Страница 22: ...F WHICH ARE AVAILABLE FROM SCHNEIDER ELECTRIC SEE SECTION 9 1 IF THE MECHANISM IS VERY DIRTY A CLEANING SOLVENT MAY BE REQUIRED FOR LUBRICATION USE CAT NO PJC 8311 HIGH TEMPERATURE LUBRICATING GREASE...

Страница 23: ...RUPTED THEY NEED ONLY BE REPLACED IF THEY SHOW SEVERE PITTING OR MATERIAL LOSS BECAUSE OF THEIR WIPING ACTION THE ARCING CONTACTS DO NOT REQUIRE CLEANING 7 INSPECT BRAIDS CHECK THE BRAIDS ATTACHED TO...

Страница 24: ...CHANISM ROTATE THE TRIP SHAFT BACK AND RELEASE IT IT SHOULD ROTATE FREELY AND SPRING BACK TO POSITION CHECK THE CLOSING MECHANISM BY PARTIALLY CHARGING THEMAIN SPRING JUST TO THE POINT WHERE THE TRIP...

Страница 25: ...12 2 TOP VIEW LUBRICATION FIG 7 3 12 4 MANUALLY OPERATED BREAKER LUBRICATION FIG 7 3 12 3 DRAWOUT MECHANISM LUBRICATION FIG 7 3 12 5 ELECTRICALLY OPERATED BREAKER LUBRICATION Courtesy of NationalSwit...

Страница 26: ...E WAFER CONTACT IS TERMED THE CONTACT DEFLECTION THIS OVERTRAVEL ALLOWS THE WAFER CONTACTS TO BE FREE FLOATING AND SELF ALIGNING HELD AGAINST THE STATIONARY MAIN CONTACTS BY ONLY THE FORCE OF THE WAFE...

Страница 27: ...Y THE TWO LOWER LOCATORS ON THE GAUGE REST IN THE HOLE IN THE SIDE OF THE CONTACT FRAME SIDEPLATE THE UPPER ONE ON THE TOP OF THE SIDEPLATE NOW RELEASE THE INDICATOR AND OBSERVE THE READING REPEAT FOR...

Страница 28: ...MOULDINGS OF THE MAIN POWER STABS REMOVE GREASE FROM THE MAIN STAB SECONDARY DRAWOUT CONTACTS AND GROUND STAB 19 INSPECT CRADLE CHECK ALL MOLDINGS FOR DAMAGE AND THE MAIN STABS FOR EXCESSIVE WEAR SCO...

Страница 29: ...OF THE OPERATING MECHANISM THIS ECCENTRIC ALTERS THE LENGTH OF THE LOWER CLOSING MECHANISM LINKAGE THEREBY CHANGING THE POSITION OF THE CLOSING CASTING ITEM 7 AND TOGGLE PIN WHEN THE MAIN SPRING IS I...

Страница 30: ...IDE PLATE CONTROLS THE ENGAGEMENT OF THE TRIP LATCH ROLLER IF THIS ENGAGEMENT IS INSUFFICIENT THE ROLLER MAY RELEASE DURING THE CLOSING STROKE RESULTING IN FAILURE TO CLOSE THE MAIN CONTACTS MAY MOVE...

Страница 31: ...DJUSTMENT IS MADE THE FOLLOWING MUST BE CHECKED IF PRESENT ON THE BREAKER 1 DRAWOUT GATE INTERLOCK LEVER ECCENTRIC ADJUSTMENT ON DRAWOUT BREAKERS SECTION 8 4 2 SHUNT TRIP ADJUSTMENT SECTION 8 5 3 UNDE...

Страница 32: ...N THE CIRCUIT THIS IS NECESSARY TO ISOLATE THE TRIP COIL FROM THE POWER FUSE THE COIL SHOULD OPERATE AT APPROXIMATELY 50 VOLTS IN THIS TEST IT SHOULD BE NOTED THAT THESE COILS ARE SHORT TIME RATED IN...

Страница 33: ...HEEL BE SURE TO CHECK ALL FACEPLATE INDICATORS AND OPERATING BUTTONS ETC FOR FREEDOM OF MOVEMENT AFTER REINSTALLNG THE FACEPLATE 9 MAINTENANCE ACCESSORIES AND SPARE PART 9 1 MAINTENANCE ACCESSORIES LI...

Страница 34: ...240 AC 180 312 0 1 5 0 15 48 DC 40 6 0 8 0 0 2 125 DC 60 50 0 2 2 0 2 SHUNT CLOSE 250 DC 150 312 0 0 8 0 1 120 AC 96 23 0 2 45 0 34 U V TRIP 240 AC 190 312 0 0 8 0 1 120 AC 85 4 240 AC 190 2 5 48 DC 4...

Страница 35: ...Front Flash Shield Right Hand Side 1 182A 40A 1 182A 40A 1 182A 40A 1 182A 618 2 Interphase Barrier 2 13A 578C 13A 578C 13A 578C 13A 634 635 3 End Barrier 2 13A 172A 1 13A 172A 2 13A 172A 2 13A 632 6...

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