5925-00-500-8157, CIRCUIT BREAKER

National Stock Number:
5925-00-500-8157

Federal Supply Class:
5925

National Item Identification Number:
005008157

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:

1419-813	79500	WESTINGHOUSE ELECTRIC CORP
656D021G06	89946	EATON CORPORATION
HQCL1020	89946	EATON CORPORATION
QCL1020	89946	EATON CORPORATION

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
FREQUENCY IN HERTZ	60.0 SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
OVERALL LENGTH	3.750 INCHES NOMINAL
OVERALL WIDTH	2.906 INCHES NOMINAL
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES AC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 SLOT
MOUNTING SLOT WIDTH	0.562 INCHES NOMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC SINGLE LOCATION
OVERALL HEIGHT	1.000 INCHES MAXIMUM
POLE QUANTITY	1
RESET METHOD	MANUAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 SCREW
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	10.000 MINIMUM AT 200 PCT AND 110.000 MAXIMUM AT 200 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	25.0 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	125.0 SINGLE LOCATION

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