5925-00-187-8859, CIRCUIT BREAKER

National Stock Number:
5925-00-187-8859

Federal Supply Class:
5925

National Item Identification Number:
001878859

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:

776774371	24446	GENERAL ELECTRIC COMPANY
999002	79500	WESTINGHOUSE ELECTRIC CORP
999002	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

ACTUATOR FUNCTION	TRIP W/SEPARATE RESET
ARC QUENCHING METHOD	DEION
CASE MATERIAL	PLASTIC
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	125.0 AC AND 125.0 DC SINGLE LOCATION
OVERALL HEIGHT	3.969 INCHES NOMINAL
OVERALL LENGTH	6.000 INCHES NOMINAL
OVERALL WIDTH	1.375 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES AC AND 15.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC AND 5000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE
RESET METHOD	MANUAL
POLE QUANTITY	1
SPECIAL FEATURES	MTG HOLES DIAGONALLY SPACED ON 0.812 BY 4.844 IN. MTG CENTERS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	170.000 MINIMUM AT 125 PCT AND 3699.000 MAXIMUM AT 125 PCT AND 17.000 MINIMUM AT 200 PCT AND 58.000 MAXIMUM AT 200 PCT AND 7.000 MINIMUM AT 300 PCT AND 18.000 MAXIMUM AT 300 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	122.0 SINGLE LOCATION
UNTHREADED MOUNTING HOLE DIAMETER	0.188 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY	1 SCREW

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