5925-00-822-0261, CIRCUIT BREAKER

National Stock Number:
5925-00-822-0261

Federal Supply Class:
5925

National Item Identification Number:
008220261

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:

10313595	18876	U S ARMY AVIATION AND MISSILE COMMAND
AM12HKMG3-10-28VDC5	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
AUXILIARY SWITCH FUNCTION AND QUANTITY	1 ALARM
BODY LENGTH	2.500 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.750 INCHES NOMINAL
BOSS HEIGHT	0.140 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.938 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.062 INCHES NOMINAL
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	MOISTURE RESISTANT AND FUNGUS RESISTANT AND EXPLOSION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	10.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	3000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE(S)
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.471 INCHES NOMINAL
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	28.0 DC SINGLE LOCATION
POLE QUANTITY	1
RESET METHOD	MANUAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SWITCH CONTACT ARRANGEMENT	SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS	5.0 AC AND 1.0 DC
SWITCH LOCATION AND POSITION DESIGNATION	INTERNAL AT POLE ONE
SWITCH TERMINAL TYPE	TAB W/SCREW
SWITCH VOLTAGE RATING AND TYPE IN VOLTS	125.0 AC AND 50.0 DC
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.170 MINIMUM AT 200 PCT AND 0.500 MAXIMUM AT 200 PCT SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION
ULTIMATE TRIP TIME PER POLE IN SECONDS	0.700 MINIMUM AND 2.800 MAXIMUM SINGLE LOCATION

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