5925-00-128-2749, CIRCUIT BREAKER

National Stock Number:
5925-00-128-2749

Federal Supply Class:
5925

National Item Identification Number:
001282749

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:

2TC4-15	82647	SENSATA TECHNOLOGIES, INC.
C2697-1-15	81755	LOCKHEED MARTIN CORPORATION

Techincal Specification:

MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES AC SINGLE LOCATION AND 15.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2500.0 AC SINGLE LOCATION AND 6000.0 DC SINGLE LOCATION
III ARC QUENCHING METHOD	AIR
III FRAGILITY FACTOR	MODERATELY RUGGED
III STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
III UNPACKAGED UNIT WEIGHT	26.0 GRAMS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF
POLE QUANTITY	1
PROPRIETARY CHARACTERISTICS	PACS
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.282 INCHES MINIMUM AND 1.342 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC SINGLE LOCATION AND 28.0 DC SINGLE LOCATION
RESET METHOD	MANUAL
TERMINAL TYPE AND QUANTITY	2 TAB W/SCREW
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS MAXIMUM SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	5.000 MINIMUM AT 200 PCT SINGLE LOCATION AND 15.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	138.0 SINGLE LOCATION
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY LENGTH	0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.532 INCHES MINIMUM AND 0.592 INCHES MAXIMUM
BUSHING LENGTH	0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
CASE MATERIAL	PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.674 INCHES MINIMUM AND 0.734 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
FREQUENCY IN HERTZ	400.0 SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE

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