Fig. 1 400 Ampere, CLM0H03 Contactor (Exploded View)
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8
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14
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Siemens Industry, Inc. 5300 Triangle Parkway, Norcross, GA 30092
A5E49381767A
Страница 1: ...r closes the latch lever hooks over the latch pin to mechanically latch the contactor closed The Coil Clearing Auxiliary Contact deenergizes the closing coil Opening When the Trip pushbutton is operated the trip solenoid coil is energized unhooking the latch lever from the latch pin which allows the contactor to open As the contactor opens the Coil Clearing Auxiliary Contact deen ergizes the trip ...
Страница 2: ...Fig 1 400 Ampere CLM0H03 Contactor Exploded View 1 8 2 9 4 7 6 14 12 18 15 13 14 11 3 5 17 16 19 2 Siemens Industry Inc 5300 Triangle Parkway Norcross GA 30092 A5E49381767A ...
Страница 3: ...olted in place The arc chute 2 provides the mechanical stop for the moving contact assembly while maintaining the proper open gap for the main contacts The arc chute also contains the De ion type arc quenchers Two front accessible bolts 1 hold the arc chute in place This arc chute requires no maintenance except for periodic inspection for grid damage or ceramic liner burn through by fault conditio...
Страница 4: ...nt 1 Latch Adjustment refer to Figures 1 7 and Table 2 Manually close the contactor to the fully closed position Loosen latch bolts 10 Move latch 11 to obtain 0 003 to 0 007 inch clearance shown Retighten latch bolts to 90 100 lb in while maintain ing clearance 2 Trip Solenoid Adjustment refer to Figures 1 7 and Table 2 Manually close the contactor to the fully closed position Note that the latch ...
Страница 5: ...he bolts per Table 2 Contact Overtravel and Replacement refer to Figures 1 9 10 and Tables 2 and 5 CAUTION The contactor must never be operated in power circuit unless the arc chute is securely bolted in place Remove all power from the contactor and the operating coils With new contacts the initial contact overtravel is 5 32 to 13 64 inches The overtravel is measured as shown in Figures 9 and 10 R...
Страница 6: ...of Latch and Trip Solenoid Contactor Closed Fig 8 Adjustment of Coil Clearing Auxiliary Contact Contactor Open Fig 6 CLM0H03 Dimension Drawing 6 Siemens Industry Inc 5300 Triangle Parkway Norcross GA 30092 A5E49381767A ...
Страница 7: ... are in back of each magnet part The moving armature has less spring force and restraint than the stiffer stationary magnet assembly In case these mag nets are ever disassembled particular care must be used to make sure that the flat leaf springs are centered on the laminated magnet assemblies and are not jammed between the magnets and the molded guide projections After reassembly be sure to check...
Страница 8: ...matter into enclosure Remove fault and check to be sure fuse or breaker size is correct Clean and tighten Replace with new coil Handle and store new coils carefully Check coil rating and replace with correct coil Check coil marking and wiring With power off check for movement of armature contacts and latch mechanism Replace Clean pole faces with LPS CFC Free Electro Contact Cleaner Check coil coil...
