5925-01-014-1438, CIRCUIT BREAKER

National Stock Number:
5925-01-014-1438

Federal Supply Class:
5925

National Item Identification Number:
010141438

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:

2B125

21810

CHALLENGER ELECTRICAL EQUIPMENT CORP

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	BETWEEN POLE ONE AND TWO
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	GENERAL PURPOSE
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
OVERALL HEIGHT	2.000 INCHES NOMINAL
OVERALL LENGTH	4.375 INCHES NOMINAL
OVERALL WIDTH	3.094 INCHES NOMINAL
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	125.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	10000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
POLE QUANTITY	2
RESET METHOD	MANUAL
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	4 THREADED STUD
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	60.000 MINIMUM AT 200 PCT AND 300.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT	2.250 POUNDS NOMINAL

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