5925-01-244-8950, CIRCUIT BREAKER

5310-01-244-8949 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5925-01-244-8950

Federal Supply Class:
5925

National Item Identification Number:
012448950

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:

46-056896-01	15280	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION
46-056896-01	26916	NORTHROP GRUMMAN SYSTEMS CORPORATION
AP-112-1-42F-252	81541	SENSATA TECHNOLOGIES MARYLAND, INC
AP112-1-42F-252	82647	SENSATA TECHNOLOGIES, INC.

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	2.5 AMPERES AC AND
	2.5 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	6 WIRE HOOK
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC AND
	50.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING W/PANEL SEAL
UNPACKAGED UNIT WEIGHT	5.400 OUNCES NOMINAL
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	300.0 AC AND
	500.0 DC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.500 MINIMUM AT 200 PCT AND
	9.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	150.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BUSHING LENGTH	0.380 INCHES MAXIMUM
BODY LENGTH	1.500 INCHES MAXIMUM
BODY WIDTH	1.875 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.865 INCHES MINIMUM AND
	0.885 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.615 INCHES MINIMUM AND
	0.635 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.780 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNEF
NOMINAL THREAD SIZE	0.375 INCHES
THREAD QUANTITY PER INCH	32
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	HERMETICALLY SEALED AND
	SHOCK RESISTANT AND
	VIBRATION RESISTANT
FEATURES PROVIDED	HIGH INRUSH PROTECTION
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
NONTURN DEVICE LENGTH	0.005 INCHES MINIMUM AND
	0.015 INCHES MAXIMUM
NONTURN DEVICE DIAMETER	0.250 INCHES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
FRAGILITY FACTOR	MODERATELY RUGGED

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