5915-01-394-7250 FILTER,BAND SUPPRESSION Index 5915-01-394-7252 FILTER,LOW PASS

National Stock Number:
5925-01-394-7251

Federal Supply Class:
5925

National Item Identification Number:
013947251

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:
1211444-20203538LOCKHEED MARTIN CORPORATION
1211444-20256232LOCKHEED MARTIN CORPORATION
AM4-A3A3A3A6-A-80/80/80/2-120A/P74193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
AM4-Z232-174193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
14MCS-16182647SENSATA TECHNOLOGIES, INC.


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
BODY LENGTH2.500 INCHES MAXIMUM
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH3.040 INCHES NOMINAL
BOSS HEIGHT0.138 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.750 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.655 INCHES MINIMUM AND 1.695 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.060 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.750 INCHES NOMINAL
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP FIRST LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SECOND LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP THIRD LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONRELAY TRIP FOURTH LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS250.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY4 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS1000.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE50.0 AMPERES AC FOURTH LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE80.0 AMPERES AC FIRST LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE80.0 AMPERES AC SECOND LOCATION
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE80.0 AMPERES AC THIRD LOCATION
MOUNTING FACILITY TYPE AND QUANTITY8 THREADED HOLE(S)
MOUNTING SURFACE TO TERMINAL END DISTANCE2.625 INCHES NOMINAL
NOMINAL THREAD SIZE0.138 INCHES
POLE QUANTITY4
RESET METHODMANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.700 MINIMUM AT 200 PCT AND 10.100 MAXIMUM AT 200 PCT FIRST LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.700 MINIMUM AT 200 PCT AND 10.100 MAXIMUM AT 200 PCT SECOND LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.700 MINIMUM AT 200 PCT AND 10.100 MAXIMUM AT 200 PCT THIRD LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.015 MAXIMUM AT 200 PCT FOURTH LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT138.0 ALL LOCATIONS
TERMINAL TYPE AND QUANTITY10 THREADED STUD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us