5925-01-041-4746, CIRCUIT BREAKER

National Stock Number:
5925-01-041-4746

Federal Supply Class:
5925

National Item Identification Number:
010414746

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:

26127793	K1156	BAE SYSTEMS INTEGRATED SYSTEM TECHNOLOGIES LTD
431-203-101	79405	WOOD ELECTRIC OPERATIONS POTTER AND BRUMFIELD DIV AMF INC
782-8010	K2504	RS COMPONENTS LIMITED
HT2804 REF. B2C 6101	U11Y9	BAE SYSTEMS SURFACE SHIPS LIMITED
W58-XC4C12A-3	K1010	TYCO ELECTRONICS UK LTD
W58XC4C12A-3	77342	TE CONNECTIVITY CORP

Techincal Specification:

ACTUATOR FUNCTION	RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
ARC QUENCHING METHOD	AIR
BODY LENGTH	1.375 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.660 INCHES NOMINAL
BUSHING LENGTH	0.300 INCHES NOMINAL
CASE MATERIAL	PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.850 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	SHOCK RESISTANT AND VIBRATION 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	250.0 AC AND 50.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH BUTTON
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	3.0 AMPERES AC AND 3.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC AND 2000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.562 INCHES NOMINAL
NOMINAL THREAD SIZE	0.469 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	10.000 MINIMUM AT 200 PCT AND 45.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	145.0 SINGLE LOCATION
UNPACKAGED UNIT WEIGHT	1.500 OUNCES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 SCREW
THREAD SERIES DESIGNATOR	UN
THREAD QUANTITY PER INCH	32

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