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NSN 5925-00-279-5976, 5925002795976
CIRCUIT BREAKER

Federal Supply Classification
FSC 5925 - Circuit Breakers
National Item Identification Number
NIIN 002795976
Codification Country
United States
Item Name Code
INC 00136
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
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DLMS® Summary

National Stock Number 5925-00-279-5976

National Stock Number (NSN) 5925-00-279-5976, or NIIN 002795976, (circuit breaker) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 00136. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5925002795976 contains an unknown precious metal.

This NSN is associated to Schedule B 8536200040: automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335313: switchgear and switchboard apparatus manufacturing.

This information was last updated on .


Technical Characteristics

ACTUATOR FUNCTION
(CPRW) TRIP-RESET
CASE MATERIAL
(CWJK) PLASTIC
CIRCUIT PROTECTION TYPE
(CPRH) OVERCURRENT SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED
(CQXF) SHOCKPROOF AND VIBRATIONPROOF
MAIN CONTACT TRIPPING MECHANISM TYPE
(CPRR) TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 30.0 AC AND 30.0 DC SINGLE LOCATION
OVERALL HEIGHT
(ABKW) 1.531 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 2.000 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 1.188 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY
(CPRT) 2 PUSH BUTTON
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 20.0 AMPERES AC AND 20.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 400.0 AC AND 400.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 2 UNTHREADED HOLE
POLE QUANTITY
(AKPX) 1
RESET METHOD
(CPRQ) MANUAL
TRIP RELEASE AMBIENT TEMP RATING
(CRCF) 25.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC
(CPRL) TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD
(CPRJ) THERMAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT
(CQWN) 100.000 NOMINAL AT 125 PCT AND 7.500 NOMINAL AT 200 PCT AND 1.900 NOMINAL AT 300 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT
(CPRN) 120.0 SINGLE LOCATION
UNTHREADED MOUNTING HOLE DIAMETER
(AEBV) 0.188 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY
(TTQY) 2 SCREW
CASE MATERIAL
(ADTV) PLASTIC
UNABLE TO DECODE
(ADTV) UNABLE TO DECODE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 20.0 AMPERES AC SINGLE LOCATION AND 20.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 400.0 AC SINGLE LOCATION AND 400.0 DC SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING
(CRCF) 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 30.0 AC SINGLE LOCATION AND 30.0 DC SINGLE LOCATION

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