5925-01-145-8883, CIRCUIT BREAKER

National Stock Number:
5925-01-145-8883

Federal Supply Class:
5925

National Item Identification Number:
011458883

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:

7276-104-1/2

82647

SENSATA TECHNOLOGIES, INC.

Techincal Specification:

POLE QUANTITY	3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	500.0 MILLIAMPERES AC AND
	500.0 MILLIAMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	6 TAB W/SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC AND
	28.0 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
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	THERMAL ALL LOCATIONS
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2000.0 AC AND
	2000.0 DC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	4.500 MINIMUM AT 200 PCT AND
	35.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	145.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BUSHING LENGTH	0.250 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
BODY LENGTH	2.000 INCHES MAXIMUM
BODY WIDTH	0.850 INCHES MAXIMUM
BODY HEIGHT	2.765 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.593 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.562 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNS
NOMINAL THREAD SIZE	0.469 INCHES
THREAD QUANTITY PER INCH	32
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
SWITCH LOCATION AND POSITION DESIGNATION	INTERNAL AT POLE ONE
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, DOUBLE THROW
SWITCH TERMINAL TYPE	TAB, SOLDER LUG
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	EXPLOSION PROOF AND
	SHOCKPROOF AND
	VIBRATIONPROOF
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
FRAGILITY FACTOR	MODERATELY RUGGED

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