5310-01-257-7434 WASHER,KEYWAY Index 5330-01-257-7438 PACKING,PREFORMED

National Stock Number:
5925-01-257-7436

Federal Supply Class:
5925

National Item Identification Number:
012577436

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:
215-11-1-66-5A-252-A81541SENSATA TECHNOLOGIES MARYLAND, INC


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
BODY LENGTH2.490 INCHES NOMINAL2.490 INCHES NOMINAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH1.515 INCHES MAXIMUM1.515 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.925 INCHES MINIMUM AND 1.925 INCHES MINIMUM AND 1.955 INCHES MAXIMUM1.955 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.745 INCHES MINIMUM AND 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM0.755 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.443 INCHES MINIMUM AND 1.443 INCHES MINIMUM AND 1.453 INCHES MAXIMUM1.453 INCHES MAXIMUM
FREQUENCY IN HERTZ50.0 OR 60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDMOISTURE PROOF AND SAND RESISTANT AND SPLASHPROOF
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS480.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY2 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS5000.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE2.5 AMPERES AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)4 THREADED HOLE(S)
POLE QUANTITY22
RESET METHODMANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT50.000 MINIMUM AT 125 PCT AND 700.000 MAXIMUM AT 125 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY4 THREADED STUD
THREAD SERIES DESIGNATORISO M


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