5925-00-729-7750, CIRCUIT BREAKER

5905-00-729-7751 RESISTOR,FIXED,COMPOSITION

National Stock Number:
5925-00-729-7750

Federal Supply Class:
5925

National Item Identification Number:
007297750

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:

9022018	18876	U S ARMY AVIATION AND MISSILE COMMAND
ET72090	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	70.0 AMPERES AC AND 70.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	10000.0 AC AND 10000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 THREADED STUD(S)
NOMINAL THREAD SIZE	0.164 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC AND 250.0 DC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
TERMINAL TYPE AND QUANTITY	6 PIN
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	240.000 NOMINAL AT 150 PCT AND 60.000 NOMINAL AT 200 PCT AND 20.000 NOMINAL AT 300 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	25.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	110.0 ALL LOCATIONS

Click here to Register for Free 30-day Trial