5925-01-173-7285 CIRCUIT BREAKER Index 5945-01-173-7287 RELAY,ELECTROMAGNETIC

National Stock Number:
5925-01-173-7286

Federal Supply Class:
5925

National Item Identification Number:
011737286

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:
13901-0811873MCGRAW EDISON CO USD OPNS SUB OF COOPER INDUSTRIES
24B10-00-000211873MCGRAW EDISON CO USD OPNS SUB OF COOPER INDUSTRIES
714248C10SAT8KOMATSU AMERICA CORP.
30137-1013445COLE HERSEE COMPANY
714248C129510KOMATSU AMERICAN INTL CO
714248C189346NAVISTAR INTL CORP TRUCK BR OHIO PLANT
CZG-221889346NAVISTAR INTL CORP TRUCK BR OHIO PLANT


Techincal Specification:
BODY STYLESINGLE POLE TYPE
BODY WIDTH0.780 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.675 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
CUBIC MEASURE0.658 CUBIC INCHES
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.560 INCHES NOMINAL
FRAGILITY FACTORMODERATELY RUGGED
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
OVERALL LENGTH1.250 INCHES NOMINAL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE10.0 AMPERES DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED STUD
MOUNTING SURFACE TO TERMINAL END DISTANCE1.370 INCHES MAXIMUM
NOMINAL THREAD SIZE0.190 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS28.0 DC SINGLE LOCATION
POLE QUANTITY1
RESET METHODAUTOMATIC
TERMINAL TYPE AND QUANTITY2 THREADED STUD
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32
TRIP RELEASE AMBIENT TEMP RATING40.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTICINSTANTANEOUS SINGLE LOCATION
TRIP RELEASE METHODTHERMAL SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT120.0 SINGLE LOCATION


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