5905-00-226-0376 RESISTOR,VARIABLE,NONWIRE WOUND, Index 5905-00-226-0378 RESISTOR,VARIABLE,WIRE WOUND,NON

National Stock Number:
5925-00-226-0377

Federal Supply Class:
5925

National Item Identification Number:
002260377

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:
LS7510-598897LOCKHEED MARTIN CORP


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTPROOF AND CORROSION RESISTANT AND EXPLOSION PROOF
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 PUSH-PULL
OVERALL HEIGHT2.000 INCHES NOMINAL
OVERALL LENGTH1.090 INCHES NOMINAL
OVERALL WIDTH0.750 INCHES NOMINAL
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE5.0 AMPERES AC AND 5.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS2000.0 AC AND 6000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED HOLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS120.0 AC AND 50.0 DC SINGLE LOCATION
POLE QUANTITY1
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY2 SCREW
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.380 MINIMUM AT 200 PCT AND 2.500 MAXIMUM AT 200 PCT AND 0.100 MINIMUM AT 400 PCT AND 0.540 MAXIMUM AT 400 PCT AND 0.020 MINIMUM AT 1000 PCT AND 0.120 MAXIMUM AT 1000 PCT AND 0.050 MINIMUM AT 600 PCT AND 0.270 MAXIMUM AT 600 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING25.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND TIME DELAY SINGLE LOCATION
TRIP RELEASE METHODTHERMAL SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT138.0 SINGLE LOCATION
UNTHREADED MOUNTING HOLE DIAMETER0.469 INCHES NOMINAL


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