DBC-1/ -3 button single-se circuit breakerToggle button or Push/Pull Actuator Thermal Circuit BreakersProducts to work nichrome rinciple, used for overload or circuit protection in Aircraft AC and DC power distribution system.Environmental adaptability:Ambient medium temperature: (-55 ~ 60) âSine vibration: frequency range (10~200) Hz, acceleration 4.5 gAcceleration: 8 gImpact: rate /min 40~100, acceleration 4g, a total of 104 times