5925-01-039-3071 CIRCUIT BREAKER Index 5925-01-039-3073 CIRCUIT BREAKER

National Stock Number:
5925-01-039-3072

Federal Supply Class:
5925

National Item Identification Number:
010393072

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:
0731D0092-10DHG4GULF COAST HOLDINGS INC DBA UNIDYNAMICS
458D509G11 W/2A2B AUX SWITCH89946EATON CORPORATION
ETN2750-1108453ASEA BROWN BOVERI INC DISTRIBUTION SWITCHGEAR DIV
ETN2750-1130086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
83E355489946EATON CORPORATION


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESETTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWOAT POLE TWO
BODY HEIGHT3.594 INCHES NOMINAL3.594 INCHES NOMINAL
BODY LENGTH6.000 INCHES NOMINAL6.000 INCHES NOMINAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH4.500 INCHES NOMINAL4.500 INCHES NOMINAL
BOSS HEIGHT0.219 INCHES NOMINAL0.219 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH5.593 INCHES NOMINAL5.593 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.500 INCHES NOMINAL1.500 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.500 INCHES NOMINAL1.500 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH4.594 INCHES NOMINAL4.594 INCHES NOMINAL
FREQUENCY IN HERTZ60.0 ALL LOCATIONS60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANTFUNGUS RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS500.0 AC AND 500.0 AC AND 250.0 DC ALL LOCATIONS250.0 DC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE1 TOGGLE
MATERIALPLASTIC CASEPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE15.0 AMPERES AC AND 15.0 AMPERES AC AND 15.0 AMPERES DC ALL LOCATIONS15.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS300.0 AC AND 300.0 AC AND 500.0 DC ALL LOCATIONS500.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE(S)6 UNTHREADED HOLE(S)
POLE QUANTITY33
RESET METHODMANUALMANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT60.000 MINIMUM AT 300 PCT AND 60.000 MINIMUM AT 300 PCT AND 120.000 MAXIMUM AT 300 PCT ALL LOCATIONS120.000 MAXIMUM AT 300 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING40.0 CELSIUS NOMINAL ALL LOCATIONS40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONSTHERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS150.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL0.281 INCHES NOMINAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY6 COMPRESSION6 COMPRESSION


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