5925-00-557-4030, CIRCUIT BREAKER

National Stock Number:
5925-00-557-4030

Federal Supply Class:
5925

National Item Identification Number:
005574030

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:

1532-384	79500	WESTINGHOUSE ELECTRIC CORP
1532384	79500	WESTINGHOUSE ELECTRIC CORP

Techincal Specification:

ARC QUENCHING METHOD	DEION
CASE MATERIAL	PLASTIC
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC AND 125.0 DC ALL LOCATIONS
OVERALL HEIGHT	3.968 INCHES NOMINAL
OVERALL LENGTH	6.000 INCHES NOMINAL
OVERALL WIDTH	2.750 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	30.0 AMPERES AC AND 30.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	7500.0 AC AND 7500.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE
RESET METHOD	MANUAL
POLE QUANTITY	2
SPECIAL FEATURES	MTG HOLES 2 ROWS OF 2 HOLES EACH SPACED 1.375 IN.APART,ROWS SPACED 4.844 IN. APART OFF CENTER
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	100.000 NOMINAL AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY	4 SCREW

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