Number of Phases:3 Degree of Protection:IP21 Enclosure Type NEMA:Type1 Frequency (f):47.5 ... 63 Hz Frame Size:R3 Input Voltage (Uin):380 … 480 V Mounting Type:Wall-mounted_NO UNIT$ Output Current, Heavy-Duty Use (IHD):37.7 A Output Current, Light-Overload Use (ILD):42.8 A Output Current, Normal Use (In):45 A Output Power, Heavy-Duty Use (PHD):18.5 kW Output Power, Light-Overload Use (PLD):22 kW Output Power, Normal Use (Pn):22 kW