Frequency Converter FC-101P18KT6P20HXXXXXXXSXXXXAXBXCXXXXDXVLT® HVAC Drive FC- 101(P18K) 18.5 KW / 25 HP, Three phase 525 - 600 VAC, IP20 / Chassis BackplateNo RFI Filter No Brake chopper No Loc. Cont. Panel Not coated PCB, No Mains Option No A Option, No B option No C1 option, No D optionFrame: H