5925-00-226-0377, CIRCUIT BREAKER

5905-00-226-0376 RESISTOR,VARIABLE,NONWIRE WOUND,

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:

LS7510-5

98897

LOCKHEED MARTIN CORP

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	5.0 AMPERES AC AND
	5.0 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY	2 SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC AND
	50.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND
	TIME DELAY SINGLE LOCATION
RESET METHOD	MANUAL
MOUNTING FACILITY TYPE AND QUANTITY	1 UNTHREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2000.0 AC AND
	6000.0 DC SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.380 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
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	138.0 SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OVERALL LENGTH	1.090 INCHES NOMINAL
OVERALL HEIGHT	2.000 INCHES NOMINAL
OVERALL WIDTH	0.750 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER	0.469 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
ACTUATOR FUNCTION	TRIP-RESET
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF AND
	CORROSION RESISTANT AND
	EXPLOSION PROOF
THE MANUFACTURERS DATA
MANUFACTURERS CODE	98897
DESIGN CONTROL REFERENCE	LS7510-5

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