4820-01-062-7972 SEAT,VALVE Index 9905-01-062-7974 PLATE,IDENTIFICATION

National Stock Number:
5925-01-062-7973

Federal Supply Class:
5925

National Item Identification Number:
010627973

Description:
CIRCUIT BREAKER BOX

Detail:
An enclosure which includes, mounts, and protects one or more circuit breakers. It is designed for and may include a cover and such accessories as mounting hardware, brackets, and conduit fittings. May include terminal boards and/or bus conductors used as a convenience for terminating the circuit breakers. May include handle tie bars. It is usually used as a load center for the protection of certain electrical devices such as water heaters, motors, etc., or as a service center for homes or offices. For boxes which include only switches, jacks, fuseholders, terminals and/or terminal boards or fuseholders, or any combination of these devices, see SWITCH BOX; JACK BOX; TERMINAL BOX; and DISTRIBUTION BOX. For boxes designed to mount and protect but do not include circuit breakers, see CIRCUIT BREAKER BOX SUBASSEMBLY. See also INTERCONNECTING CABINET; PANEL, POWER DISTRIBUTION; JUNCTION BOX; and CABINET, ELECTRICAL EQUIPMENT.


Manufacturer Information:
LA3400F97942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT9.531 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.750 INCHES NOMINAL
CIRCUIT BREAKER CURRENT RATING IN AMPS400.0
CIRCUIT BREAKER TYPE AND QUANTITY1 TRIPLE POLE
MAIN LINE MAXIMUM AC VOLTAGE RATING IN VOLTS600.0
MAIN LINE MAXIMUM CURRENT RATING IN AMPS600.0
OVERALL DEPTH4.000 INCHES NOMINAL
OVERALL HEIGHT13.094 INCHES NOMINAL
OVERALL WIDTH8.250 INCHES NOMINAL
MATERIALPLASTIC
MOUNTING METHODUNTHREADED HOLE
UNTHREADED MOUNTING HOLE DIAMETER0.312 INCHES NOMINAL
STANDARD MOUNTING PATTERN DESIGNATOR4 POINT-RECTANGULAR
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
STYLE DESIGNATORSQUARE, SURFACE MOUNTING
SURFACE TREATMENTENAMEL
SYSTEM FOR WHICH DESIGNEDTHREE WIRE THREE PHASE


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