5925-01-317-0491 CIRCUIT BREAKER Index 5331-01-317-0493 O-RING

National Stock Number:
5925-01-317-0492

Federal Supply Class:
5925

National Item Identification Number:
013170492

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:
1551AS161-430003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
KAL36250-25M56302SQUARE D CO CEDAR RAPIDS MFG PLANT
KAL36250-25M56365SCHNEIDER ELECTRIC USA, INC.


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS+1250.0 TO 2500.0 AC ALL LOCATIONS
ARC QUENCHING METHODMAGNETIC BLOWOUT
BODY HEIGHT3.660 INCHES NOMINAL
BODY LENGTH8.000 INCHES NOMINAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH4.500 INCHES NOMINAL
BOSS HEIGHT0.130 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH7.130 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.750 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH7.130 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.500 INCHES NOMINAL
FEATURES PROVIDEDADJUSTABLE TRIP RELEASE
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ50.0 OR 60.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE250.0 AMPERES AC AND 250.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS22000.0 AC AND 22000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS600.0 AC AND 250.0 DC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
SPECIAL HANDLING FEATUREMAGNETIC
TERMINAL TYPE AND QUANTITY6 COMPRESSION
TRIP RELEASE AMBIENT TEMP RATING40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS ALL LOCATIONS
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.143 INCHES NOMINAL


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