5925-01-226-4273, CIRCUIT BREAKER

National Stock Number:
5925-01-226-4273

Federal Supply Class:
5925

National Item Identification Number:
012264273

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:

8478A23H01	31442	NORTHROP GRUMMAN SYSTEMS CORPORATION
8478A23H01	81541	SENSATA TECHNOLOGIES MARYLAND, INC
APL1111-9184-1	81541	SENSATA TECHNOLOGIES MARYLAND, INC

Techincal Specification:

POLE QUANTITY	4
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	12.5 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	8 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY	8 THREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.100 MINIMUM AT 200 PCT AND
	20.000 MAXIMUM AT 200 PCT FIRST LOCATION
	2.100 MINIMUM AT 200 PCT AND
	20.000 MAXIMUM AT 200 PCT SECOND LOCATION
	150.000 MAXIMUM AT 200 PCT THIRD LOCATION
	9.500 MINIMUM AT 200 PCT AND
	150.000 MAXIMUM AT 200 PCT FOURTH LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	115.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BODY LENGTH	2.510 INCHES MAXIMUM
BODY WIDTH	3.000 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.810 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.062 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	0.750 INCHES NOMINAL
BOSS HEIGHT	0.140 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.553 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD SIZE	0.138 INCHES
THREAD QUANTITY PER INCH	32
THREAD PITCH DIAMETERS	0.1177 TO 0.1214 INCHES
MANUAL ACTUATOR TYPE AND QUANTITY	4 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, THREE, AND FOUR LINKED
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	GENERAL PURPOSE
ARC QUENCHING METHOD	DEION
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
FRAGILITY FACTOR	MODERATELY RUGGED
SPECIAL FEATURES	POLES MARKED A,B,C,D
CRITICALITY CODE JUSTIFICATION	FEAT AND
	CQWN

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