... A. Application: Supply variable frequency three -phase emergency power supply for fire facility only having single power supply or motor of ... 160, 187, 200, 220, 250, 280, 315, 400, 500KW, etc.d. Installation: floor type ( standard power distribution box)Standby ... technical parameters (EPS series variable frequency three-phase(power type)emergency power supply) Model EPS -2.2~500KW Input Voltage 380 ...