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GE CHC12A, Instructions Manual


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Summary of Contents for CHC12A

Page 1: ...INSTRUCTIONS GEI 7 1676E I SERT BOOKLET GEK 1253 FAULT DETECTOR RELAY TYPES CHC12A CHC13A CHC13B GENERAL _ ELECTRIC...

Page 2: ...lay Type CHC 2 TARGET UNIT MOViNG r ONTACT CONTROL SPRING ADJUSTER MOVING CONTACT STOP ASSEMBLY Fig 1 80 033 8030329 ____ REAR 8 ll_ STOP ASSeMBLY _ __ seAL N UNIT CUP UNIT PFDl CHC12A Removea rom Cas...

Page 3: ...C is that it is designed to permit operation in the picked up position so that it can be used where the maximum load current exceeds the mlnlmUm fault current During load conditions which pick up the...

Page 4: ...bounce advance the rear ball stop PHASE SE Ut NCt 1 2 3 OR 3 2 1 1 1 2 1 3 assembly carefully until there is no contact bounce when current is suddenly applied Be sure not to advance the assembly exce...

Page 5: ...ORT FINGER 1 3 0148A3956 6 Internal Connections Front View For The CHC12A Relay Fault Detector Relay Type eHe GEI 74 JI 11 I 114 AI f j b 2 4 R WHI N U ED 10 R3 47K Fig 4 0165A7519 6 Ircte2 1 11 Connc...

Page 6: ...C1 W PFO I L I 1 1 I 1 3 2 4 1 Ii Q CJ C3 R3 41 fL I SE I I tI II I 6 19 If r A C2 W PFD o 9 1 SHORT FINGERS Fig 5 0178A7139 5 Internal Connections For TypE CHC13B Relay Front View I 2C V0LTS ________...

Page 7: ...TO PROTECTIVE RELAYS _ _ NOTE A SHORT ING BAR EX ISTS BETWEEN STUDS 11 12 SO THAT WHEN RELAYS REMOVED FROM CASE POSITIVE POTENTIAL IS BROUGHT DIRECTLY TO THE PROTECTIVE RELAYS IF THIS IS NOT DESIRED...

Page 8: ...00 00000 10 8 6 4 2 I I I 75 6 187 1 3MM 3 0 I 157MM 76MM BACK VIE W CUTOUTS MAY REPLACE DRILLED HOLES I I I 5 000 127MM L_ 10 00 o M 254M I t 1 75 46MM 4 875 123MM i 1 9 75 __ _ ___ 2471MM 1 468 l 37...

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