Technical parameter: Power source: Motor380V, 50HzControl line:220V,50Hz Working conditions: Ambient temperature:0-70 F Relative humidityâ?¤90% Protection classIP65 Working system10 min SLM product can provide different types: SLM Basic model SLM-L General local model ( with local controlling button model) SLM-LIC Local change-over model ( with local controlling button, local/remote control switch and indicating lamp) SLM-IN Integrated controlling model