5925-01-067-2926, CIRCUIT BREAKER

National Stock Number:
5925-01-067-2926

Federal Supply Class:
5925

National Item Identification Number:
010672926

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:

870SS0155	A0199	FINMECCANICA SPA
MIL-C-5809	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS25244-P-20	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS25244-P20	0U583	SAE INTERNATIONAL
SAE-AS58091	0U583	SAE INTERNATIONAL

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY LENGTH	2.189 INCHES MAXIMUM
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.750 INCHES MAXIMUM
BUSHING LENGTH	0.250 INCHES NOMINAL
CASE MATERIAL	PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.704 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.812 INCHES NOMINAL
FREQUENCY IN HERTZ	400.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC AND 30.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES AC AND 20.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	3500.0 AC AND 6000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.000 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.138 INCHES
POLE QUANTITY	1
RESET METHOD	MANUAL
TRIP RELEASE AMBIENT TEMP RATING	25.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	15.000 MINIMUM AT 200 PCT AND 55.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	138.0 SINGLE LOCATION
UNPACKAGED UNIT WEIGHT	1.600 OUNCES NOMINAL
SPECIFICATION/STANDARD DATA	96906-MS25244 GOVERNMENT STANDARD
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 TAB W/SCREW
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	32

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