5925-00-502-6719 TRIPPER,CIRCUIT BREAKER Index 5935-00-502-6725 CONNECTOR,RECEPTACLE,ELECTRICAL

National Stock Number:
5925-00-502-6720

Federal Supply Class:
5925

National Item Identification Number:
005026720

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:
48A3769G3079500WESTINGHOUSE ELECTRIC CORP
48A3769G3089946EATON CORPORATION
E3070A79500WESTINGHOUSE ELECTRIC CORP
EHD3070LS0579500WESTINGHOUSE ELECTRIC CORP
E3070A89946EATON CORPORATION
EB3070AL89946EATON CORPORATION
L218717-906845RAYTHEON COMPANY


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE70.0 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC AND
250.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND
TIME DELAY ALL LOCATIONS
RESET METHODMANUAL
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS5000.0 AC AND
5000.0 DC ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT28.000 NOMINAL AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT105.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
UNTHREADED MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTPROOF
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES SILVER


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