5925-01-257-4309, CIRCUIT BREAKER

National Stock Number:
5925-01-257-4309

Federal Supply Class:
5925

National Item Identification Number:
012574309

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:

CD1-Z298-1	1W134	EATON CORP AEROSPACE COMMERCIAL CONTROLS DIV
CD1-Z298-1	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
ARC QUENCHING METHOD	MAGNETIC BLOWOUTMAGNETIC BLOWOUT
BODY LENGTH	5.790 INCHES MINIMUM AND 5.790 INCHES MINIMUM AND 5.810 INCHES MAXIMUM5.810 INCHES MAXIMUM
BODY STYLE	SINGLE POLE TYPESINGLE POLE TYPE
BODY WIDTH	1.016 INCHES MINIMUM AND 1.016 INCHES MINIMUM AND 1.036 INCHES MAXIMUM1.036 INCHES MAXIMUM
BOSS HEIGHT	0.209 INCHES MINIMUM AND 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM0.229 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	3.537 INCHES MINIMUM AND 3.537 INCHES MINIMUM AND 3.557 INCHES MAXIMUM3.557 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.740 INCHES MINIMUM AND 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM2.760 INCHES MAXIMUM
FRAGILITY FACTOR	MODERATELY RUGGEDMODERATELY RUGGED
FREQUENCY IN HERTZ	50.0 OR 60.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT AND MOISTURE 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	35.0 AMPERES AC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE(S) AND 2 THREADED HOLE(S) AND 1 SLOT1 SLOT
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.599 INCHES MINIMUM AND 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM2.619 INCHES MAXIMUM
MOUNTING SLOT WIDTH	0.164 INCHES NOMINAL0.164 INCHES NOMINAL
NOMINAL THREAD SIZE	0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC SINGLE LOCATION
POLE QUANTITY	11
RESET METHOD	MANUAL
SPECIAL HANDLING FEATURE	MAGNETICMAGNETIC
STORAGE TYPE	GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
THREAD QUANTITY PER INCH	3232
THREAD SERIES DESIGNATOR	UNS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.000 MINIMUM AT 200 PCT AND 10.000 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
UNPACKAGED UNIT WEIGHT	0.562 POUNDS NOMINAL

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