5925-01-265-7693, CIRCUIT BREAKER

National Stock Number:
5925-01-265-7693

Federal Supply Class:
5925

National Item Identification Number:
012657693

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:

W-C-375/12	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
WC375/12-006	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
BODY HEIGHT	3.380 INCHES NOMINAL
BODY LENGTH	6.310 INCHES NOMINAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	4.105 INCHES MINIMUM AND 4.125 INCHES MAXIMUM
BOSS HEIGHT	0.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	5.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	1.380 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	4.880 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	1.380 INCHES NOMINAL
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	CORROSION RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	35.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	10000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE AND 2 UNTHREADED HOLE
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
SPECIAL HANDLING FEATURE	MAGNETIC
SPECIFICATION/STANDARD DATA	81348-W-C-375/12 GOVERNMENT SPECIFICATION
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	6 COMPRESSION
TEST DATA DOCUMENT	81349-W-C-375 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	4.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	135.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL

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