5925-01-299-1941 CIRCUIT BREAKER Index 5330-01-299-1943 PACKING,PREFORMED

National Stock Number:
5925-01-299-1942

Federal Supply Class:
5925

National Item Identification Number:
012991942

Description:
CIRCUIT BREAKER

Detail:
A DEVICE WITH MEANS OTHER THAN FUSES FOR AUTOMATICALLY OPENING THE CIRCUIT IN WHICH IT IS INSTALLED WHEN THE CURRENT VARIES FROM THE PREDETERMINED VALUE FOR WHICH THE DEVICE IS SET. MAY INCLUDE PROVISIONS FOR MANUAL OPERATION. AT LEAST ONE SET OF CONTACTS MUST BE IN SERIES WITH THE ACTUATING ELEMENT(S). A COMBINATION OF SEMICONDUCTOR AND PASSIVE DEVICES MAY BE USED IN LIEU OF CONTACTS. FOR AUTOMATICALLY OPERATED ITEMS IN WHICH THE ACTUATING (TRIPPING) ELEMENT AND CONTACTS ARE NOT IN SERIES, SEE RELAY (AS MODIFIED). FOR ITEMS WHICH ARE OPERATED BOTH MANUALLY AND AUTOMATICALLY BUT THE ACTUATING ELEMENTS AND CONTACT ARE NOT IN SERIES, SEE RELAY-SWITCH. EXCLUDES CIRCUIT BREAKER BOX AND MAGNETO "BREAKER" ASSEMBLIES. SEE ALSO SWITCH (AS MODIFIED); AND CONTROLLER.


Manufacturer Information:
XM433500-50DEGC21810CHALLENGER ELECTRICAL EQUIPMENT CORP


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS+2500.0 TO 5000.0 AC ALL LOCATIONS
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPE
CASE MATERIALPLASTIC
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FEATURES PROVIDEDADJUSTABLE TRIP RELEASE AND CURRENT LIMITER
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDGENERAL PURPOSE
NOMINAL THREAD SIZE0.250 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS480.0 AC ALL LOCATIONS
OVERALL HEIGHT3.875 INCHES NOMINAL
OVERALL LENGTH22.563 INCHES NOMINAL
OVERALL WIDTH8.250 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE500.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS100000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
POLE QUANTITY3
RESET METHODMANUAL
SPECIAL FEATURESFUSEMATIC CIRCUIT BREAKER; LOAD LUGS INCLUDED
TRIP RELEASE AMBIENT TEMP RATING50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS ALL LOCATIONS
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 COMPRESSION
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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