5925-01-527-6844, CIRCUIT BREAKER

5910-01-527-6843 CAPACITOR,FIXED,CERAMIC DIELECTR

5995-01-527-6845 CABLE ASSEMBLY,SPECIAL PURPOSE,E

National Stock Number:
5925-01-527-6844

Federal Supply Class:
5925

National Item Identification Number:
015276844

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:

M39019/03-230S	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-39019/3	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-PRF-55182/7	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
PL 4800816-1 ITEM NO. 43	03956	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY LENGTH	1.562 INCHES MAXIMUM
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	1.281 INCHES MAXIMUM
BUSHING LENGTH	0.380 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.906 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.380 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	UNDERCURRENT ALL LOCATIONS
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC AND 50.0 DC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	5.0 AMPERES AC AND 5.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	300.0 AC AND 300.0 DC AND 500.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.828 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.375 INCHES
POLE QUANTITY	2
RESET METHOD	MANUAL
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	4 WIRE HOOK
THREAD SERIES DESIGNATOR	UNEF
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.055 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 100 PCT ALL LOCATIONS

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