Frequency Converter, VLT HVAC Drive FC-102,(P37K) 37 KW / 50 HP, Three phase,380 - 480 VAC, IP55 / Type12 Backplate,(H1) RFI Class A1/B (C1),No brake chopper,Graphical Loc. Cont. Panel,Not coated PCB, No Mains Option,Latest release std. SW.,Frame: C1