Circuit Breaker NSN: 5925-01-258-2129 | Model: W28XQ1A-15 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 elem en (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. NSN Properties and FlagsNATO Stock Number5925-01-258-2129DEMILYes - ITAR ControlledBody StyleRectangular dimensional envelopeOverall Length1.535 inches Overall Height0.760 inchesOverall Width0.760 inchesCase MaterialPlastic Fragility FactorModerately ruggedPole Quantity1Arc Quenching MethodAirMounting Facility Type And Quantity2 clipStorage TypeGeneral purpose warehouseMaximum Continuous Load Current Rating Per Pole15.0 amperes ac single location and 15.0 amperes dc single locationOperating Voltage Type And Rating Per Pole In Volts 250.0 ac single location and 32.0 dc single locationMaximum Interrupting Capacity Current Type And Rating Per Pole In Amps1000.0 ac single location and 1000.0 dc single locationCircuit Protection TypeOvercurrent single locationTrip Release MethodThermal single locationTrip Release CharacteristicTime delay single locationUltimate Trip Rating Of Continuous Current Rating Per Pole In Percent135.0 single locationReset MethodManualMain Contact Tripping Mechanism TypeTrip freeManual Actuator Type And Quantity1 push buttonActuator Function ResetActuator Position DesignationAt pole oneInternal Trip Release Configuration Series trip single locationTrip Delay Time In Seconds Per Rated Continuous Current2.200 at 200 pct single location and 15.000 at 200 pct single location Inclosure Protection Type For Which DesignedGeneral purposeTrip Release Ambient Tempurature Rating25.0 degrees celsius single locationFrequency In Hertz50.0 single location or 60.0 single locationUnpackaged Unit Weight0.350 ounces Terminal Type And Quantity2 quick disconnect, male