5925-01-044-3989 CIRCUIT BREAKER Index 5925-01-044-3991 CIRCUIT BREAKER

National Stock Number:
5925-01-044-3990

Federal Supply Class:
5925

National Item Identification Number:
010443990

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:
AP112-1R-4341-181541SENSATA TECHNOLOGIES MARYLAND, INC
AP112-4341-181541SENSATA TECHNOLOGIES MARYLAND, INC
GC855EC126512NORTHROP GRUMMAN SYSTEMS CORPORATION
GC885EC126512NORTHROP GRUMMAN SYSTEMS CORPORATION
HE3-Z83-174193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESETTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWOAT POLE TWO
ARC QUENCHING METHODMAGNETIC BLOWOUTMAGNETIC BLOWOUT
AUXILIARY SWITCH FUNCTION AND QUANTITY1 ALARM1 ALARM
BODY LENGTH1.552 INCHES MINIMUM AND 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM1.572 INCHES MAXIMUM
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH1.844 INCHES MINIMUM AND 1.844 INCHES MINIMUM AND 1.906 INCHES MAXIMUM1.906 INCHES MAXIMUM
BUSHING LENGTH0.365 INCHES MINIMUM AND 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM0.385 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.615 INCHES MINIMUM AND 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM0.635 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.865 INCHES MINIMUM AND 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM0.885 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
FRAGILITY FACTORMODERATELY RUGGEDMODERATELY RUGGED
FREQUENCY IN HERTZ60.0 ALL LOCATIONS60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDMOISTURE RESISTANT AND MOISTURE RESISTANT AND HERMETICALLY SEALEDHERMETICALLY SEALED
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONSSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS250.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE3.0 AMPERES AC ALL LOCATIONS3.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC ALL LOCATIONS300.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING1 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE1.690 INCHES MINIMUM AND 1.690 INCHES MINIMUM AND 1.710 INCHES MAXIMUM1.710 INCHES MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES0.375 INCHES
POLE QUANTITY33
RESET METHODMANUALMANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.500 MINIMUM AT 200 PCT AND 0.500 MINIMUM AT 200 PCT AND 4.500 MAXIMUM AT 200 PCT ALL LOCATIONS4.500 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONSMAGNETIC-HYDRAULIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT115.0 ALL LOCATIONS115.0 ALL LOCATIONS
STORAGE TYPEGENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
SWITCH LOCATION AND POSITION DESIGNATIONINTERNAL AT POLE THREEINTERNAL AT POLE THREE
SWITCH TERMINAL TYPETAB, SOLDER LUGTAB, SOLDER LUG
SWITCH VOLTAGE RATING AND TYPE IN VOLTS125.0 AC AND 125.0 AC AND 50.0 DC50.0 DC
SWITCH CONTACT ARRANGEMENTSINGLE POLE, DOUBLE THROWSINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS1.0 AC AND 1.0 AC AND 0.5 DC0.5 DC
TERMINAL TYPE AND QUANTITY6 WIRE HOOK6 WIRE HOOK
THREAD PITCH DIAMETERS+0.3503 TO 0.3537 INCHES+0.3503 TO 0.3537 INCHES
THREAD QUANTITY PER INCH3232
THREAD SERIES DESIGNATORUNEFUNEF


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