5340-00-110-7276 POST,ELECTRICAL-MECHANICAL EQUIPMENT Index 5945-00-110-7283 RELAY,THERMAL

National Stock Number:
5925-00-110-7281

Federal Supply Class:
5925

National Item Identification Number:
001107281

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:
150-071452151CONTINENTAL ELECTRONICS CORP
KM3A600-48VACUNDERV0LTAGETRIP30086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
KM3A600-48VACUNDERVOLTAGETRIP30086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
KM3A600-48VACUNDERVOLTAGETRIP60555SIEMENS-ALLIS INC
KM3A600-48VACUNDERV0LTAGETRIP60555SIEMENS-ALLIS INC


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE600.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPEUNDERVOLTAGE SINGLE LOCATION
ARC QUENCHING METHODMAGNETIC BLOWOUT
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATUREMAGNETIC
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONCONTACTS SILVER
FRAGILITY FACTORMODERATELY RUGGED
TERMINAL TYPE AND QUANTITY6 COMPRESSION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS600.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS ALL LOCATIONS
RESET METHODMANUAL
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPE
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE
CASE MATERIALPLASTIC
UNPACKAGED UNIT WEIGHT33.000 POUNDS NOMINAL
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS30000.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OVERALL LENGTH15.500 INCHES NOMINAL
OVERALL HEIGHT4.062 INCHES NOMINAL
OVERALL WIDTH9.000 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND
CORROSION RESISTANT AND
MOISTURE RESISTANT


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