4920-00-523-2753 MASK,AIRFOIL,TURBIN Index 4920-00-523-2757 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
5925-00-523-2755

Federal Supply Class:
5925

National Item Identification Number:
005232755

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:
3673-07REVBPC1996169ELECTRIC BOAT CORPORATION
576-6508-130169580064NAVAL SHIP SYSTEMS COMMAND
AQBU10030086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
ETN483430086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
F393PCAQB4-10055615SMITH-MEEKER ENGINEERING CO
T1-6201-1430979P80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND MOISTURE RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE120.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS2000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED STUD
NOMINAL THREAD SIZE0.250 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS115.0 AC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY6 QUICK DISCONNECT, FEMALE
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC
TRIP RELEASE AMBIENT TEMP RATING50.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS


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