4730-01-216-9887 NUT,UNION Index 5331-01-216-9889 O-RING

National Stock Number:
5925-01-216-9888

Federal Supply Class:
5925

National Item Identification Number:
012169888

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:
AP1-1448-121681541SENSATA TECHNOLOGIES MARYLAND, INC
API-1448-121681541SENSATA TECHNOLOGIES MARYLAND, INC
G396182SE2R0AB064959AMERICAN TELEPHONE AND TELEGRAPH CO
G396182SF2R0AB001714LUCENT TECHNOLOGIES INC ADVANCED TECHNOLOGY SYSTEMS
HE1-Z12-2474193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
ARC QUENCHING METHODMAGNETIC BLOWOUT
BODY LENGTH1.500 INCHES MAXIMUM
BODY WIDTH0.625 INCHES MAXIMUM
BODY STYLESINGLE POLE TYPE
BUSHING LENGTH0.380 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ400.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDHERMETICALLY SEALED AND SHOCK RESISTANT AND VIBRATION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC AND 50.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE2.0 AMPERES AC AND 2.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS500.0 AC AND 500.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.605 INCHES MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES
POLE QUANTITY1
RESET METHODMANUAL
SPECIAL HANDLING FEATUREMAGNETIC
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY2 WIRE HOOK
THREAD PITCH DIAMETERS+0.3503 TO 0.3537 INCHES
THREAD SERIES DESIGNATORUNEF
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.900 MINIMUM AT 200 PCT AND 4.500 MAXIMUM AT 200 PCT SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
TRIP RELEASE METHODMAGNETIC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT115.0 SINGLE LOCATION


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