5925-00-247-8884 CIRCUIT BREAKER Index 5925-00-247-8886 CIRCUIT BREAKER

National Stock Number:
5925-00-247-8885

Federal Supply Class:
5925

National Item Identification Number:
002478885

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:
5114-0004-0215280NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION
5114-0004-0226916NORTHROP GRUMMAN SYSTEMS CORPORATION
JA3C3-15-274193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
SMC642607-280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESETTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLEAT EACH POLE
BODY LENGTH2.000 INCHES NOMINAL2.000 INCHES NOMINAL
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPEMULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH2.250 INCHES NOMINAL2.250 INCHES NOMINAL
BOSS HEIGHT0.130 INCHES NOMINAL0.130 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.560 INCHES NOMINAL1.560 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 LENGTH1.660 INCHES NOMINAL1.660 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.500 INCHES NOMINAL1.500 INCHES NOMINAL
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKEDONE, TWO, AND THREE LINKED
FREQUENCY IN HERTZ400.0 ALL LOCATIONS400.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND FUNGUS RESISTANT AND MOISTURE RESISTANTMOISTURE RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONSSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS250.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY3 TOGGLE3 TOGGLE
MATERIALPLASTIC CASEPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE15.0 AMPERES AC ALL LOCATIONS15.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS1000.0 AC ALL LOCATIONS1000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 THREADED HOLE(S)6 THREADED HOLE(S)
MOUNTING SURFACE TO TERMINAL END DISTANCE1.880 INCHES NOMINAL1.880 INCHES NOMINAL
NOMINAL THREAD SIZE0.138 INCHES0.138 INCHES
POLE QUANTITY33
RESET METHODMANUALMANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.200 MINIMUM AT 200 PCT AND 2.200 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT ALL LOCATIONS20.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC-HYDRAULIC ALL LOCATIONSMAGNETIC-HYDRAULIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS125.0 ALL LOCATIONS
ULTIMATE TRIP TIME PER POLE IN SECONDS10.000 MINIMUM AND 10.000 MINIMUM AND 100.500 MAXIMUM ALL LOCATIONS100.500 MAXIMUM ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 QUICK DISCONNECT, MALE6 QUICK DISCONNECT, MALE
THREAD QUANTITY PER INCH3232
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)


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