Product Details | CIRCUIT BREAKER

5925-01-274-1290 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.

Part Alternates: 2913303932, 29-1330393-2, 7MC3-3-0.250, 7MC330250, 5925-01-274-1290, 01-274-1290, 5925012741290, 012741290

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG) NSN Assign. NIIN
59 05 MAR 1988 01-274-1290

Drawings & Photos | NSN 5925-01-274-1290


Cross Reference | NSN 5925-01-274-1290

Part Number Cage Code Manufacturer
29-1330393-2 04655 GENERAL DYNAMICS C4 SYSTEMS, INC.
29-1330393-2 11293 GTE GOVERNMENT SYSTEMS CORP STRATEGIC SYSTEMS DIV
7MC3-3-0.250 82647 SENSATA TECHNOLOGIES, INC DIV SENSATA ATTLEBORO

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Technical Data | NSN 5925-01-274-1290

Characteristic Specifications
POLE QUANTITY 1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 250.0 MILLIAMPERES DC SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 32.0 DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 2500.0 DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE OVERCURRENT SINGLE LOCATION
TRIP RELEASE METHOD MAGNETIC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC INSTANTANEOUS SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 125.0 SINGLE LOCATION
RESET METHOD MANUAL
MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
BODY STYLE 1A SINGLE POLE TYPE
BUSHING LENGTH 0.250 INCHES NOMINAL
BODY LENGTH 1.781 INCHES NOMINAL
BODY WIDTH 0.656 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 1.341 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.669 INCHES NOMINAL
CASE MATERIAL PLASTIC
MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED BUSHING
THREAD SERIES DESIGNATOR UNS
NOMINAL THREAD SIZE 0.469 INCHES
THREAD QUANTITY PER INCH 32
MANUAL ACTUATOR TYPE AND QUANTITY 1 PUSH-PULL
ACTUATOR FUNCTION TRIP-RESET
ACTUATOR POSITION DESIGNATION AT POLE ONE
TERMINAL TYPE AND QUANTITY 2 TAB W/SCREW
AUXILIARY SWITCH FUNCTION AND QUANTITY 1 ALARM
SWITCH LOCATION AND POSITION DESIGNATION INTERNAL AT POLE ONE
SWITCH CONTACT ARRANGEMENT SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS 7.0 DC
SWITCH VOLTAGE RATING AND TYPE IN VOLTS 28.0 DC
SWITCH TERMINAL TYPE TAB, SOLDER LUG
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED DUSTPROOF AND CORROSION RESISTANT AND FUNGUS RESISTANT AND SAND RESISTANT
III STORAGE TYPE GENERAL PURPOSE WAREHOUSE
III UNPACKAGED UNIT WEIGHT 2.000 OUNCES

Restrictions/Controls & Freight Information | NSN 5925-01-274-1290

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; 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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 061300 CIRCUIT BREAKER/SWITCH NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 658 unknown
Originating Activity Code TH Defense Supply Center Columbus
Columbus, OH 43215
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable