5925-01-295-8439, CIRCUIT BREAKER

National Stock Number:
5925-01-295-8439

Federal Supply Class:
5925

National Item Identification Number:
012958439

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:

APGH262-9739-32	81541	SENSATA TECHNOLOGIES MARYLAND, INC
APGH2622-9739-32	81541	SENSATA TECHNOLOGIES MARYLAND, INC
JA3-Z294-2	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
SM-A-988733-32	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.650 INCHES MINIMUM AND 1.670 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
BODY LENGTH	1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH	2.265 INCHES MAXIMUM
BUSHING LENGTH	0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
CASE MATERIAL	PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, AND THREE LINKED
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	50.0 OR 60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.032 INCHES MAXIMUM
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	RELAY TRIP FIRST LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	RELAY TRIP THIRD LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SECOND LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	3 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	6 THREADED HOLE
RESET METHOD	MANUAL
POLE QUANTITY	3
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.200 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	10 TAB W/SCREW

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