4720-01-478-7356 HOSE ASSEMBLY,NONMETALLIC Index 7025-01-478-7358 INTERFACE UNIT,AUTOMATIC DATA PR

National Stock Number:
5925-01-478-7357

Federal Supply Class:
5925

National Item Identification Number:
014787357

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:
MIL-C-580981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS26574-3L0U583SAE INTERNATIONAL
SAE-AS580910U583SAE INTERNATIONAL
MS26574-3L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BODY LENGTH0.780 INCHES MAXIMUM
BODY STYLESINGLE POLE TYPE
BODY WIDTH0.593 INCHES MAXIMUM
BUSHING LENGTH0.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.593 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
FREQUENCY IN HERTZ400.0 SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE3.0 AMPERES AC AND 3.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS800.0 AC AND 800.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE1.525 INCHES MAXIMUM
NOMINAL THREAD SIZE0.437 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS115.0 AC AND 28.0 DC SINGLE LOCATION
POLE QUANTITY1
RESET METHODMANUAL
SPECIAL FEATURESEXTRA-LENGTH PUSHBUTTON 1.134 IN. LENGTH IN TRIPPED POSITION; 0.782 IN. LENGTH IN CLOSED POSITION
TERMINAL TYPE AND QUANTITY2 SCREW
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUN
TRIP RELEASE AMBIENT TEMP RATING25.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
TRIP RELEASE METHODTHERMAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT150.0 SINGLE LOCATION


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us