SDBA25A~A50AThree se circuit breakerProducts on the principle of metal heating release and temperature compensation structure, can be used in a wide range of temperature.The breaker is used for overload or open circuit protection in the aircraft AC / DC power distribution system, which has the function of detecting the on-off state of the product.Environmental adaptability:Ambient medium temperature: (-55 ~ 70) âSine vibration: frequency range (15~20000) Hz, Acceleration: 13.50 gImpact: 15g