5925-00-159-0274, CIRCUIT BREAKER

National Stock Number:
5925-00-159-0274

Federal Supply Class:
5925

National Item Identification Number:
001590274

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:

13781G2	89926	NEW HOLLAND CONSTRUCTION
33KB248-13781G2	23382	FWD SEAGRAVE HOLDINGS LP
9311-20A	51918	SCHNEIDER ELECTRIC USA, INC.
9311-20A	56365	SCHNEIDER ELECTRIC USA, INC.
9311AN3161P20	56365	SCHNEIDER ELECTRIC USA, INC.
AN3161-20	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
B13781G2	46522	DCM MANUFACTURING, INC.
B248-13781G2	46522	DCM MANUFACTURING, INC.
B248-13781G1	70281	TRIUMPH ENGINEERED SOLUTIONS, INC. DBA TRIUMPH FABRICATIONS - PHOENIX DIV TRIUMPH FABRICATIONS - PHOENIX
MILC7079	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
AN3161P20	81352	AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
B248-13781G2	89926	NEW HOLLAND CONSTRUCTION
FM1814	99740	FIREMASTER CORP

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY	2 SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	30.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
RESET METHOD	MANUAL
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1500.0 DC SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	10.000 MINIMUM AT 200 PCT AND
	100.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	138.0 SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	NONTRIP FREE
OVERALL LENGTH	2.188 INCHES NOMINAL
OVERALL HEIGHT	2.625 INCHES NOMINAL
OVERALL WIDTH	0.750 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD SIZE	0.138 INCHES
THREAD QUANTITY PER INCH	32
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
ACTUATOR FUNCTION	TRIP-RESET
NONDEFINITIVE SPEC/STD DATA	3161-P20 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN3161-20

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