5925-00-179-0093 CIRCUIT BREAKER Index 5975-00-179-0095 COUPLING,ELECTRICAL CONDUIT

National Stock Number:
5925-00-179-0094

Federal Supply Class:
5925

National Item Identification Number:
001790094

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:
MILC1939TYPEA81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
OVERALL HEIGHT3.219 INCHES NOMINAL
OVERALL LENGTH3.000 INCHES NOMINAL
OVERALL WIDTH1.000 INCHES NOMINAL
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE50.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS5000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE
NOMINAL THREAD SIZE0.164 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS24.0 DC SINGLE LOCATION
POLE QUANTITY1
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY2 THREADED STUD
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT10.000 MINIMUM AT 200 PCT AND 100.000 MAXIMUM AT 200 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING50.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
TRIP RELEASE METHODTHERMAL-MAGNETIC SINGLE LOCATION


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