5945-00-539-2737 RELAY,THERMAL Index 5905-00-539-2742 RESISTOR,FIXED,WIRE WOUND,NONIND

National Stock Number:
5925-00-539-2739

Federal Supply Class:
5925

National Item Identification Number:
005392739

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:
02000-301679343ASRC FEDERAL FACILITIES LOGISTICS, LLC
02000-301693568HARSCO CORP BMY-COMBAT SYSTEMS DIV
283A41924446GENERAL ELECTRIC COMPANY
50-705AMG374193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
AM1510M674193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
2000-301693568HARSCO CORP BMY-COMBAT SYSTEMS DIV


Techincal Specification:
POLE QUANTITY1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE10.0 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY2 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
RESET METHODMANUAL
BODY STYLESINGLE POLE TYPE
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODMAGNETIC-HYDRAULIC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS2000.0 DC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.200 MINIMUM AT 200 PCT AND
8.500 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BODY LENGTH3.719 INCHES NOMINAL
BODY WIDTH0.990 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH3.063 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.750 INCHES NOMINAL
BOSS HEIGHT0.156 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE3.239 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD SIZE0.138 INCHES
THREAD QUANTITY PER INCH32
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND
MOISTURE RESISTANT AND
EXPLOSION RESISTANT
ARC QUENCHING METHODMAGNETIC BLOWOUT
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATUREMAGNETIC
FRAGILITY FACTORMODERATELY RUGGED
THE MANUFACTURERS DATA
MANUFACTURERS CODE74193
DESIGN CONTROL REFERENCE50-705AMG3


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