5925-01-221-4088, CIRCUIT BREAKER

National Stock Number:
5925-01-221-4088

Federal Supply Class:
5925

National Item Identification Number:
012214088

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:

7946A36H01

31442

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPE	OVERVOLTAGE SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
OVERALL HEIGHT	1.090 INCHES MINIMUM AND 1.190 INCHES MAXIMUM
OVERALL LENGTH	2.000 INCHES NOMINAL
OVERALL WIDTH	2.000 INCHES NOMINAL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE(S)
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	11.0 DC SINGLE LOCATION
SPECIAL FEATURES	ADJUSTABLE VOLTAGE TRIP SETTING RANGE IS 6 TO 14 VDC
POLE QUANTITY	1
TERMINAL TYPE AND QUANTITY	2 TURRET
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	15.000 NOMINAL AT 200 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	-55.0 CELSIUS MINIMUM AND 100.0 CELSIUS MAXIMUM SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL SINGLE LOCATION

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