5925-01-205-7480, CIRCUIT BREAKER

National Stock Number:
5925-01-205-7480

Federal Supply Class:
5925

National Item Identification Number:
012057480

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:

LS10187-1

98897

LOCKHEED MARTIN CORP

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 CONTROL
BODY LENGTH	0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM
BUSHING LENGTH	0.277 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.742 INCHES MINIMUM AND 0.804 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
FREQUENCY IN HERTZ	2000.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	EXPLOSION RESISTANT AND MOISTURE RESISTANT AND VIBRATION RESISTANT
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.287 INCHES MINIMUM AND 1.317 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.469 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	115.0 AC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	0.5 AMPERES AC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	100.0 AC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
POLE QUANTITY	1
RESET METHOD	MANUAL
THREAD SERIES DESIGNATOR	UNS
THREAD QUANTITY PER INCH	32
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	145.0 SINGLE LOCATION
ULTIMATE TRIP TIME PER POLE IN SECONDS	2.000 MINIMUM AND 20.000 MAXIMUM SINGLE LOCATION
SPECIFICATION/STANDARD DATA	36659-LS10187 MANUFACTURERS STANDARD
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, SINGLE THROW, NORMALLY CLOSED
SWITCH CURRENT RATING AND TYPE IN AMPS	0.5 AC
SWITCH LOCATION AND POSITION DESIGNATION	EXTERNAL AT POLE ONE
SWITCH TERMINAL TYPE	TURRET
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	115.0 AC
TERMINAL TYPE AND QUANTITY	2 SCREW

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