5925-00-755-8279, CIRCUIT BREAKER

National Stock Number:
5925-00-755-8279

Federal Supply Class:
5925

National Item Identification Number:
007558279

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:

5114-1801-3	29957	NORDAM GROUP LLC, THE
930-009-20	76374	SAFRAN ELECTRICAL & POWER USA, LLC
930-009-20	81640	SAFRAN POWER USA, LLC
MP935	76374	SAFRAN ELECTRICAL & POWER USA, LLC
MP935B	76374	SAFRAN ELECTRICAL & POWER USA, LLC
S6157-62073-5	78286	SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

ACTUATOR FUNCTION	RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
BODY LENGTH	2.250 INCHES MAXIMUM
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH	1.218 INCHES NOMINAL
BUSHING LENGTH	0.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.704 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.750 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, AND THREE LINKED
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	VIBRATION RESISTANT AND SHOCK RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	3 PUSH BUTTON
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1200.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	3 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.218 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.469 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	6 TAB W/SCREW
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	15.000 MINIMUM AT 200 PCT AND 55.000 MAXIMUM AT 200 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	138.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT	150.0 GRAMS NOMINAL

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