5925-00-271-8658, CIRCUIT BREAKER

National Stock Number:
5925-00-271-8658

Federal Supply Class:
5925

National Item Identification Number:
002718658

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:

AN3160-15	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MILC7079	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESETTRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONEAT POLE ONE
BODY LENGTH	2.125 INCHES NOMINAL2.125 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPESINGLE POLE TYPE
BODY WIDTH	0.750 INCHES NOMINAL0.750 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.125 INCHES NOMINAL1.125 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATIONOVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.812 INCHES NOMINAL1.812 INCHES NOMINAL
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATIONSERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	NONTRIP FREENONTRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE1 TOGGLE
MATERIAL	PLASTIC CASEPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES DC SINGLE LOCATION15.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1500.0 DC SINGLE LOCATION1500.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE(S)2 THREADED HOLE(S)
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.000 INCHES NOMINAL2.000 INCHES NOMINAL
NOMINAL THREAD SIZE	0.138 INCHES0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	30.0 DC SINGLE LOCATION30.0 DC SINGLE LOCATION
POLE QUANTITY	11
RESET METHOD	MANUALMANUAL
TERMINAL TYPE AND QUANTITY	2 SCREW2 SCREW
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	3232
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	55.000 NOMINAL AT 200 PCT SINGLE LOCATION55.000 NOMINAL AT 200 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	25.0 CELSIUS MAXIMUM SINGLE LOCATION25.0 CELSIUS MAXIMUM SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATIONTIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL SINGLE LOCATIONTHERMAL SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	138.0 SINGLE LOCATION138.0 SINGLE LOCATION

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