4720-01-541-7074 HOSE ASSEMBLY,NONMETALLIC Index 5325-01-541-7076 RING,RETAINING

National Stock Number:
5925-01-541-7075

Federal Supply Class:
5925

National Item Identification Number:
015417075

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:
478D8015-151435EMS DEVELOPMENT CORPORATION
CD3-A9-AE0015-10B1Y502HEINEMANN ELECTRIC CO INC
PL478D1004 ITEM NO 1051435EMS DEVELOPMENT CORPORATION


Techincal Specification:
BODY LENGTH5.800 INCHES NOMINAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH2.609 INCHES NOMINAL
BUSHING LENGTH0.876 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH2.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.026 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS PROOF AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
PART NAME ASSIGNED BY CONTROLLING AGENCYC SERIES HYDRAULIC-MAGNETIC CIRCUIT BREAKER
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE15.1 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS375.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE0.876 INCHES NOMINAL
NOMINAL THREAD SIZE0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY3 SCREW
THREAD SERIES DESIGNATORUNC
TRIP RELEASE AMBIENT TEMP RATING85.0 CELSIUS MAXIMUM ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS ALL LOCATIONS
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT100.0 ALL LOCATIONS


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