5925-00-258-8278, CIRCUIT BREAKER

National Stock Number:
5925-00-258-8278

Federal Supply Class:
5925

National Item Identification Number:
002588278

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:

1236883	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
999315	00742	AIR PRODUCTS & CHEMICALS, INC
999315	51918	SCHNEIDER ELECTRIC USA, INC.
999315	56365	SCHNEIDER ELECTRIC USA, INC.

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	3 SCREW AND
	3 TAB, SOLDER LUG
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	600.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND
	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	15000.0 AC ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	70.0 DEG FAHRENHEIT NOMINAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	19.000 MINIMUM AT 200 PCT AND
	110.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	133.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OVERALL LENGTH	6.500 INCHES NOMINAL
OVERALL HEIGHT	3.938 INCHES NOMINAL
OVERALL WIDTH	4.469 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER	0.250 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATURE	MAGNETIC
FRAGILITY FACTOR	MODERATELY RUGGED

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