5925-01-057-1881, CIRCUIT BREAKER

5855-01-057-1880 CELL ASSEMBLY,OPTICAL INSTRUMENT

National Stock Number:
5925-01-057-1881

Federal Supply Class:
5925

National Item Identification Number:
010571881

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:

AP12-4613-37	71628	RADIO FREQUENCY SYSTEMS INC
AP12-4613-37	81541	SENSATA TECHNOLOGIES MARYLAND, INC
SM-A-776904-37	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY LENGTH	1.500 INCHES MAXIMUM
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	1.250 INCHES MAXIMUM
BUSHING LENGTH	0.380 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	0.875 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.625 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
FEATURES PROVIDED	HIGH INRUSH PROTECTION
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	HERMETICALLY SEALED AND SHOCK RESISTANT AND VIBRATION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	3.0 AMPERES AC FIRST LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	50.0 MILLIAMPERES AC SECOND LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING W/PANEL SEAL
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.780 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.375 INCHES
POLE QUANTITY	2
RESET METHOD	MANUAL
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	4 WIRE HOOK
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNEF
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.200 MINIMUM AT 200 PCT AND 6.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS

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