... in case og power failure3. Controlling single or double-leaf is optional4. one control unit for two motors, control panel ... leaf weight:300Kg,200KgEnvironment temperature:-20°C-+55°C,Protection class:IP54In case of power failure,release the clutch easily, ... time: Adjustable,Controlling single or double-leaf,Force: Adjustable is optional,Protection class: IP54,24VDC back-up battery can be input. swig ...