... Release unit in case og power failure3. Controlling single or double-leaf is optional4. one control unit for two motors, control panel are ... leaf weight:300Kg,200KgEnvironment temperature:-20°C-+55°C,Protection class:IP54In case of power failure,release the clutch easily, ... Max load: 2×80W/24VDC,Environment temperature: -20°C-+55°C, Protection fuse:10A,Running time protection: Adjustable, Auto closing ...