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INSTRUCTIONS FOR THE CARE AND MAINTENANCE

OF H-3 AND HL-3 CIRCUIT BREAKERS

C-3-222-1

April 2000

Courtesy of NationalSwitchgear.com

Summary of Contents for 100H3

Page 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 ...

Page 2: ...UIPMENT 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 EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH RECEIVING STORAGE INSTALLATION MAINTENANCE OR OPERATION SHOULD FURTHER INFORMATION BE REQUIRED OR PARTICULAR PROB...

Page 3: ...IONAL 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 CLOSING MANUALLY OPERATED BREAKER 4 6 CLOSING ELECTRICALLY OPERATED BREAKER 4 7 MECHANICAL CLOSING INTERLOCKS AND PADLOCKING 4 8 BREAKER OPENING 4 9 REJECTION FEATURE 4 10 CLOSING SPRING DISCHARGE AND DRY ...

Page 4: ...AKER 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 SCHNEIDER ELECTRIC SHOULD BE NOTIFIED CHECK ALL PARTS AGAINST THE PACKING LIST TO MAKE SURE ALL THE CORRECT ITEMS HAVE BEEN RECEIVED 2 2 HANDLING LIFT THE BREAKER BY THE STEEL CHANNELS AT THE FRONT A...

Page 5: ...RCUITS 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 LOCATED CONTROL AND INDICATING DEVICES REMOTE WIRING SHOULD BE BUNDLED TOGETHER PROPERLY SUPPORTED AWAY FROM PRIMARY CONNECTIONS CONTROL WIRING FROM CRADLE MOUNTED SECONDARY CONTACTS OF DRAWOUT TYPE BRE...

Page 6: ...52 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 SHIELD 63 SECONDARY DRAWOUT CONTACT MOVING 24 CLOSE LEVER 25 TRIP ROD ASSEMBLY 26 SPRING GUIDE PIN 27 CLOSING CASTING 28 TOGGLE PIN 29 TIE ROD ASSEMBLY 30 CLOSING SHAFT 31 MAIN SPRING 32 GUIDE BUSHINGS...

Page 7: ...ND 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 INTERLOCK OPTIONAL 19 CHARGING MOTOR CUT OFF SWITCH 3 2 CRADLE SECTIONAL VIEW 3 3 BREAKER FACEPLATE AND CONTROLS FIG 3 3 1 FACEPLATE FOR MANUALLY OPERATED M O UNIT FIG 3 3 2 FACEPLATE FOR ELECTRICALLY ...

Page 8: ...ON 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 FIG 4 1 3 OPERATING POSITION BREAKER FULLY DRAWN INTO CRADLE GROUND CONTACT ENGAGED OPERATING POSITION SECONDARY CONTACTS ENGAGED MAIN POWER CONTACTS ENGAGED Courtesy of NationalSwitchgear com ...

Page 9: ...HOWN 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 STOP TO REMOVE A BREAKER THE PROCEDURE IS JUST THE OPPOSITE TO THE ABOVE BEFORE INSERTING THE DRAWOUT CRANK REFER TO SECTION 4 8 TO AVOID UNNECESSARY DRY RUNS FOR DRAWOUT GATE ADJUSTMENT REFER TO SECTIO...

Page 10: ...H 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 MANUALLY OPERATED CLOSING MECHANISM FIG 4 3 SECONDARY CONTROL CONTACTS 1 MOVING BREAKER MOUNTED SECONDARY CONTACT ASSEMBLY 2 FIXED CRADLE MOUNTED SECONDARY CONTACT ASSEMBLY 3 SEPARATE TEST POSITION CONT...

Page 11: ...ING 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 SIZES 1600 AMPS AND ABOVE THE HANDLE IS A PULLOUT EXTENSION TYPE FOR EASE OF OPERATION ROTATE THE HANDLE CLOCKWISE 180 DEGREES TO FULLY CHARGE THE SPRING A MULTI TOOTH RATCHET WHEEL AND HOLDING PAWL PREV...

Page 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 MOVING CONTACT SPRINGS AND THE CLOSING SHAFT TORSION SPRING RAPIDLY OPENS THE CONTACTS OTHER DEVICES WHICH OPERATE TO OPEN THE BREAKER ARE SHUNT TRIP COILS FOR REMOTE OR OVERCURRENT PROTECTION TRIPPIN...

Page 13: ...SING 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 CURRENT SENSOR 3 TRIP COIL 4 CURRENT SENSOR TAP INDICATION 4 11 FAULT PROTECTION TYPE H 3 AND HL 3 BREAKERS ARE SUPPLIED WITH THE TYPE USD SOLID STATE OVERCURRENT RELAY AS A STANDARD FEATURE THE USD RELA...

Page 14: ...CKED 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 DEVICE ONLY PROVIDES ANTI SINGLE PHASE PROTECTION FROM A BLOWN FUSE SITUATION IT DOES NOT PROTECT AGAINST SINGLE PHASE CONDITIONS FROM THE SOURCE 4 12 FUSE MOUNTING ALL HL 3 CIRCUIT BREAKERS IN FRAME ...

Page 15: ...OIL 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 REFER TO 4 20 D ANTI PUMP RELAY RESET IF PROVIDED REFER TO 5 3 THE CLOSING COIL IS IDENTIFIED ON THE WIRING DIAGRAM BY THE SYMBOL CC 4 17 CLOSING COIL LIMIT SWITCH AND ANTIPUMPING FEATURE ALL ELECTRICALL...

Page 16: ...SE 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 SPRING CHARGING MOTOR SCM ALL ELECTRICALLY OPERATED BREAKERS EMPLOY A SERIES WOUND GEAR MOTOR TO CHARGE THE CLOSING SPRING FIG 4 4 2 ITEM 9 THE REDUCTION GEAR COMPARTMENT IS SEALED AND LUBRICATED FOR LIFE...

Page 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 A P R SEAL IN FUNCTION A CLOSING CONTACT Of THE SECOND CC SWITCH PARALLELS A NORMALLY CLOSED A P R CONTACT IN THE CLOSING COIL CIRCUIT MAINTAINING CONTROL POWER TO THE CLOSING COIL UNTIL THE CLOSING ...

Page 18: ...CE 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 OPERATED OR TRIP FREE POSITON 1 TRIP COIL 2 FAULT INDICATION SWITCH 3 RESET BUTTON 5 7 DOOR INTERLOCK ALL BREAKERS MAY BE FITTED WITH A DEVICE WHICH ACTS TO TRIP THE BREAKER WHEN THE CELL DOOR IS OPENED I...

Page 19: ...FT 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 BREAKER AND MATCHING CRADLE WHEN INTERLOCKING IS SUPPLIED SO THE BREAKER CAN BE FREELY WITHDRAWN FROM THE CELL MECHANICAL INTERLOCKS ARE OPERABLE ONLY WHEN THE BREAKER IS IN THE OPERATING POSITION WHEN WI...

Page 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 POSITION SINCE WITHOUT CONTROL POWER IT WILL HOLD THE CLOSING MECHANISM IN A TRIP FREE STATE AND PREVENT CLOSING THE SAME APPLIES TO A DOOR INTERLOCK IF INSTALLED THE MANUAL TRIP BUTTON MUST BE LOCKED ...

Page 21: ...REMOTE 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 BREAKER TO VERIFY OPERATION OF REMOTE PROVISIONS IN OPERATING POSITION THE BREAKER IS NOW READY FOR FULL SERVICE FIG 6 5 BLOCKING THE DOOR INTERLOCK LEVER 1 DOOR INTERLOCK LEVER 2 WOODEN BLOCK HOLDINC L...

Page 22: ...OF 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 PART NO 70 15 001A 002 MAINTENANCE SUMMARY CHECK LIST 1 REMOVE OR ISOLATE BREAKER 2 REMOVE AND INSPECT ARC CHUTES FLASH SHIELDS FACEPLATE 3 CLEAN BREAKER 4 CLEAN MAIN AND SECONDARY DRAWOUT CONTACTS 5...

Page 23: ...RRUPTED 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 THE MOVING ARCING CONTACTS If THEY ARE DISCOLORED IF STRANDS ARE BROKEN OR IF THEY DO NOT FEEL FLEXIBLE THEY SHOULD BE REPLACED 8 INSPECT MAIN CONTACTS CHECK THE MOVING AND STATIONARY MAIN CONTACTS S...

Page 24: ...ECHANISM 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 LATCH BEARING HITS THE CLOSE LATCH AND BEGINS TO ROTATE IT BACK AT THIS POINT THE SPRING IS ONLY PARTIALLY CHARGED IT IS HELD IN PLACE BY THE HOLDING PAWL AND CONTACTS CANNOT BE CLOSED WITHOUT FURTHE...

Page 25: ...3 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 NationalSwitchgear com ...

Page 26: ...HE 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 WAFER SPRINGS BEGIN BY CHECKING THE CONTACT DIFFERENTIAL WITH THE MAIN SPRING DISCHARGED AND THE CONTACTS OPEN MANUALLY PUSH THE CONTACTS CLOSED UNTIL THE ARCING CONTACTS TOUCH THIS IS MOST EASILY DONE U...

Page 27: ...LY 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 EACH CONTACT ON THE BREAKER THEN CLOSE THE BREAKER AND AGAIN TAKE READINGS ON EACH CONTACT SUBTRACT THE OPEN READING FROM THE CLOSED READING TO GET THE DEFLECTION IN 1 64 INCH THE CORRECT READING FO...

Page 28: ...E 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 SCORING OR PITTING CHECK THE SECONDARY CONTACT FOR DAMACE AND CHECK THE SECURITY OF THE WIRING CLEAN OUT THE BOTTOM OF THE CRADLE IF A SHUTTER IS INSTALLED CHECK IT FOR FREEDOM OF OPERATION 20 CRADLE LU...

Page 29: ...E 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 IN THE FULLY DISCHARGED POSITION TO PERFORM THIS ADJUSTMENT IT IS CRITICAL THAT THE CLOSING SPRING IS FULLY DISCHARGED TO DO THIS APPLY PRESSURE TO THE MANUAL CHARGING HANDLE UNTIL THE DRIVING PAWL IS...

Page 30: ...SIDE 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 BUT NOT COMPLETE THE TRAVEL TO ADJUST THE FOLLOWING PROCEDURE SHOULD BE USED WITH TRIP SHAFT LEVER ITEM 1 RESTING AGAINST ADJUSTING SCREW ITEM 2 LOOSEN LOCKNUT ITEM 3 AND TURN ADJUSTING SCREW COUNTER...

Page 31: ...ADJUSTMENT 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 UNDERVOLTACE TRIP STRIKER AJUSTMENT SECTION 8 6 4 LATCH CHECK SWITCH SETTING ON ELECTRICALLY OPERATED BREAKERS SECTION 8 7 8 4 DRAWOUT GATE INTERLOCK ALL DRAWOUT BREAKERS ARE FITTED WITH A DRAWOUT GATE I...

Page 32: ...IN 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 NORMAL OPERATION ARE DE ENERGIZED THE INSTANT THE THE STRIKER AS REOUIRED TO PROVIDE A GAP OF APPROXIMATELY 5 16 INCH 8 MM BETWEEN THE STRIKER AND THE TRIP SHAFT LEVER TIGHTEN THE LOCKNUT FIRMLY A VE...

Page 33: ...WHEEL 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 LIFTING DEVICES ARE AVAILABLE FOR ALL FRAME SIZES OF BREAKERS THE LIFTING DEVICE IS A ONE PIECE YOKE WHICH FITS INTO TABS ON THE BREAKER FROM THE ENCLOSURE DRAWOUT RAILS LIFTING YOKES ARE ORDERED AS FO...

Page 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 40 7 125 DC 85 4 CHARGING MOTOR 250 DC 190 2 5 SERVICE DEPARTMENTS 133 lLSLEY AVENUE UNIT M DARTMOUTH NOVA SCOTIA B3B 1S9 PHONE 902 468 2621 FAX 902 468 2499 9600 IGNACE STREET UNIT A BROSSARD QUEBEC ...

Page 35: ...5 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 632 633 1 Arc Chute Assembly 6 70 51 011C 001 70 51 011C 001 70 51 011C 001 70 51 011C 003 004 50 Moving Arcing Contact 6 70 54 001A 001 70 54 001A 001 70 54 001A 001 70 54 001A 001 51 Fixed Arcing Contac...

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