4720-00-954-4209 HOSE ASSEMBLY,NONMETALLIC Index 3419-00-954-4212 PLATE,POLISHING

National Stock Number:
5925-00-954-4211

Federal Supply Class:
5925

National Item Identification Number:
009544211

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:
20E152501411WESTINGHOUSE ELECTRIC CORP MEDIUM AC MOTOR AND GEARING DIV
20E152503486HOMEWOOD PRODUCTS CORP
20E152579500WESTINGHOUSE ELECTRIC CORP
656D023G1279500WESTINGHOUSE ELECTRIC CORP
656D23G1279500WESTINGHOUSE ELECTRIC CORP
4-406-1893929RADIODETECTION, LLC
HQCA307001269WESTINGHOUSE SCIENCE & TECHNOLOGY CENTER
HQCA307004808CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
QC3070H79500WESTINGHOUSE ELECTRIC CORP
QCA307079500WESTINGHOUSE ELECTRIC CORP


Techincal Specification:
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTTIGHT AND WATERTIGHT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS230.0 AC ALL LOCATIONS
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE70.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS85.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
POLE QUANTITY3
RESET METHODMANUAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT5.000 NOMINAL AT 125 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONS


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