5925-01-446-4790, CIRCUIT BREAKER

4920-01-446-4791 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
5925-01-446-4790

Federal Supply Class:
5925

National Item Identification Number:
014464790

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:

PP16-1-4.00A-XX-S

81541

SENSATA TECHNOLOGIES MARYLAND, INC

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
BODY LENGTH	1.375 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.680 INCHES NOMINAL
BUSHING LENGTH	0.400 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.125 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
FREQUENCY IN HERTZ	50.0 OR 60.0 SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC AND 50.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
MATERIAL	PLASTIC CASE
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	36.0 AC SINGLE LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	4.0 AMPERES AC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.960 INCHES NOMINAL
NOMINAL THREAD SIZE	0.375 INCHES
POLE QUANTITY	1
RESET METHOD	MANUAL
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.300 MINIMUM AT 135 PCT AND 7.000 MAXIMUM AT 135 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	135.0 SINGLE LOCATION
ULTIMATE TRIP TIME PER POLE IN SECONDS	7.000 NOMINAL SINGLE LOCATION
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, SINGLE THROW, NORMALLY CLOSED
SWITCH CURRENT RATING AND TYPE IN AMPS	0.1 AC
SWITCH LOCATION AND POSITION DESIGNATION	EXTERNAL AT POLE ONE
SWITCH TERMINAL TYPE	KNIFE BLADE
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	32.0 AC AND 32.0 DC
TERMINAL TYPE AND QUANTITY	2 TAB W/SCREW
THREAD SERIES DESIGNATOR	UNEF
THREAD QUANTITY PER INCH	32

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