... 250, 280, 315, 400, 500KW, etc.d. Installation: floor type ( standard power distribution box)Standby time: 120min, it also can be set ... . Main technical parameters (EPS series variable frequency three-phase(power type)emergency power supply) Model EPS -2.2~500KW Input Voltage 380 ... way of opening the doorand incoming wire Single open of front door, double-open of back door, inlet and outlet wire ...