Basic parameter: Rating voltage: AC 250V (50Hz),Rating current: 16(6)A,Close door time-span(20°C): 2s-6s,Shut power supply time-span(20°C): 35s-65s.Usage conditions: Sealevelelevation :not more than 2500m; Environment temperature:Maxi +50°C,Min0°C; Relative humidity:≤90%; Installation location without dangerous gas,steam,chemical precipitation and dirt dust or explode medium to erodeelectricity insulation. Installatioin location without strongly shaking .