5925-00-265-9487, CIRCUIT BREAKER

National Stock Number:
5925-00-265-9487

Federal Supply Class:
5925

National Item Identification Number:
002659487

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:

SK5034TYPEM1	56302	SQUARE D CO CEDAR RAPIDS MFG PLANT
SK5034TYPEM1	56365	SCHNEIDER ELECTRIC USA, INC.

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESETTRIP-RESET
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS60.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE1 TOGGLE
OVERALL HEIGHT	3.500 INCHES NOMINAL3.500 INCHES NOMINAL
OVERALL LENGTH	9.000 INCHES NOMINAL9.000 INCHES NOMINAL
OVERALL WIDTH	4.875 INCHES NOMINAL4.875 INCHES NOMINAL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	50.0 AMPERES AC ALL LOCATIONS50.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC ALL LOCATIONS5000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 THREADED HOLE(S)4 THREADED HOLE(S)
NOMINAL THREAD SIZE	0.138 INCHES0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC FIRST LOCATION120.0 AC FIRST LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC SECOND LOCATION240.0 AC SECOND LOCATION
POLE QUANTITY	22
RESET METHOD	MANUALMANUAL
TERMINAL TYPE AND QUANTITY	4 SCREW4 SCREW
THREAD QUANTITY PER INCH	3232
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	252.000 NOMINAL AT 125 PCT AND 252.000 NOMINAL AT 125 PCT AND 20.000 MINIMUM AT 200 PCT AND 20.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT AND 6.000 MINIMUM AT 300 PCT AND 6.000 MINIMUM AT 300 PCT AND 10.000 MAXIMUM AT 300 PCT ALL LOCATIONS10.000 MAXIMUM AT 300 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	75.0 FAHRENHEIT NOMINAL ALL LOCATIONS75.0 FAHRENHEIT NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL ALL LOCATIONSTHERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	115.0 ALL LOCATIONS115.0 ALL LOCATIONS

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