4720-00-929-3975 HOSE ASSEMBLY,NONMETALLIC Index 4720-00-929-3977 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5925-00-929-3976

Federal Supply Class:
5925

National Item Identification Number:
009293976

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:
ET7443430086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
ETN277300S4130086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE75.0 AMPERES AC AND
75.0 AMPERES DC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 QUICK DISCONNECT, MALE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS500.0 AC AND
250.0 DC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS15000.0 AC AND
10000.0 DC ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BODY LENGTH6.500 INCHES NOMINAL
BODY WIDTH4.125 INCHES NOMINAL
BODY HEIGHT3.875 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH3.938 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.344 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH3.312 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH2.688 INCHES NOMINAL
BOSS HEIGHT0.187 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER0.190 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
FRAGILITY FACTORMODERATELY RUGGED


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