5925-01-048-4889, CIRCUIT BREAKER

National Stock Number:
5925-01-048-4889

Federal Supply Class:
5925

National Item Identification Number:
010484889

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:

AM333-15-250-400-15

74193

EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

UNPACKAGED UNIT WEIGHT	14.000 OUNCES NOMINAL
BODY LENGTH	2.500 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNC
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.062 INCHES NOMINAL
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BOSS HEIGHT	0.140 INCHES NOMINAL
ACTUATOR POSITION DESIGNATION	AT EACH POLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	6 THREADED HOLE
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	150.0 ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY	3 TOGGLE
RESET METHOD	MANUAL
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
POLE QUANTITY	3
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
FRAGILITY FACTOR	MODERATELY RUGGED
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, AND THREE LINKED
BODY WIDTH	2.250 INCHES NOMINAL
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	0.750 INCHES NOMINAL
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 AC ALL LOCATIONS
FREQUENCY IN HERTZ	400.0 ALL LOCATIONS
THREAD QUANTITY PER INCH	32
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	15.0 AMPERES AC ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
CASE MATERIAL	PLASTIC
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.750 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.938 INCHES NOMINAL
NOMINAL THREAD SIZE	0.138 INCHES
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	2.500 MINIMUM AT 200 PCT AND 10.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ACTUATOR FUNCTION	TRIP-RESET
SPECIAL HANDLING FEATURE	MAGNETIC
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.611 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY	6 THREADED STUD

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