5925-00-001-3838, CIRCUIT BREAKER

5920-00-001-3840 ARRESTER,ELECTRICAL SURGE

National Stock Number:
5925-00-001-3838

Federal Supply Class:
5925

National Item Identification Number:
000013838

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:

7MC43-4-0.250

82647

SENSATA TECHNOLOGIES, INC.

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY LENGTH	1.781 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.656 INCHES NOMINAL
BUSHING LENGTH	0.250 INCHES NOMINAL
CASE MATERIAL	PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.341 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	CORROSION RESISTANT AND FUNGUS RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	32.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH-PULL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	250.0 MILLIAMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2500.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.669 INCHES NOMINAL
NOMINAL THREAD SIZE	0.469 INCHES
POLE QUANTITY	1
RESET METHOD	MANUAL
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	135.0 SINGLE LOCATION
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 SCREW
THREAD SERIES DESIGNATOR	UNS
THREAD QUANTITY PER INCH	32
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.150 MINIMUM AT 200 PCT AND 2.000 MAXIMUM AT 200 PCT AND 0.025 MINIMUM AT 300 PCT AND 0.350 MAXIMUM AT 300 PCT SINGLE LOCATION

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