5925-00-837-9417, CIRCUIT BREAKER

4920-00-837-9420 STAND,BALANCING,PROPELLER

National Stock Number:
5925-00-837-9417

Federal Supply Class:
5925

National Item Identification Number:
008379417

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:

46A8101G22	01411	WESTINGHOUSE ELECTRIC CORP MEDIUM AC MOTOR AND GEARING DIV
46A8101G22	79500	WESTINGHOUSE ELECTRIC CORP
631225F	U4696	E C C SPARES & SERVICES ELECTRO WORK
8104597	18876	U S ARMY AVIATION AND MISSILE COMMAND
AF1	03538	LOCKHEED MARTIN CORPORATION
B7429600P1	03538	LOCKHEED MARTIN CORPORATION
B7429600P1	24454	GENERAL ELECTRIC CO ELECTRONIC COMPONENTS DIVISION OF ELECTRONIC ATOMIC AND DEFENSE SYSTEMS GROUP
J3225	79500	WESTINGHOUSE ELECTRIC CORP
J3225	89946	EATON CORPORATION
J3225A	79500	WESTINGHOUSE ELECTRIC CORP
NJ631225	21810	CHALLENGER ELECTRICAL EQUIPMENT CORP
NJL631225	02201	CHALLENGER ACQUISITION CORP ENGINEERED DISTRIBUTION PRODUCTS DIV
NJL631225	79443	FEDERAL PACIFIC ELECTRIC CO ST LOUIS PANELBOARD PLANT

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
BODY HEIGHT	3.380 INCHES NOMINAL
BODY LENGTH	6.310 INCHES NOMINAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	4.125 INCHES NOMINAL
BOSS HEIGHT	0.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	5.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	1.380 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	4.880 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	1.380 INCHES NOMINAL
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	225.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	20000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	480.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	6 COMPRESSION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	300.000 MINIMUM AT 150 PCT AND 2000.000 MAXIMUM AT 150 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.312 INCHES NOMINAL

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