5925-00-642-5253, CIRCUIT BREAKER

5905-00-642-5257 RESISTOR,FIXED,WIREWOUND,INDUCT

National Stock Number:
5925-00-642-5253

Federal Supply Class:
5925

National Item Identification Number:
006425253

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:

ETN7967	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
MILC1938TYPEAQB	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	14.375 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	2.875 INCHES NOMINAL
ACTUATOR FUNCTION	RESET
ARC QUENCHING METHOD	DEION
CASE MATERIAL	PLASTIC
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 DC ALL LOCATIONS
OVERALL HEIGHT	6.250 INCHES NOMINAL
OVERALL LENGTH	15.500 INCHES NOMINAL
OVERALL WIDTH	9.000 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	225.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	15000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 THREADED STUD
RESET METHOD	MANUAL
POLE QUANTITY	2
TRIP RELEASE AMBIENT TEMP RATING	50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS FIRST LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SECOND LOCATION
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	1050.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	4 THREADED STUD

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