5945-00-126-1487 RELAY,ELECTROMAGNETIC Index 2815-00-126-1491 CLAMP,POSITIONING

National Stock Number:
5925-00-126-1489

Federal Supply Class:
5925

National Item Identification Number:
001261489

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:
NM53280021810CHALLENGER ELECTRICAL EQUIPMENT CORP
NM63180021810CHALLENGER ELECTRICAL EQUIPMENT CORP


Techincal Specification:
POLE QUANTITY3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE800.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY6 SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS600.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
RESET METHODMANUAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
CASE MATERIALPLASTIC
TRIP RELEASE METHODTHERMAL ALL LOCATIONS
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS25000.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING40.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT195.000 MINIMUM AT 200 PCT AND
650.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BODY LENGTH15.500 INCHES NOMINAL
BODY WIDTH8.125 INCHES NOMINAL
BODY HEIGHT4.062 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH14.875 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH2.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH14.875 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH2.750 INCHES NOMINAL
BOSS HEIGHT0.250 INCHES NOMINAL
UNTHREADED MOUNTING HOLE DIAMETER0.390 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDDUSTPROOF
STORAGE TYPEGENERAL PURPOSE WAREHOUSE


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