Frequency converter, AQUA Drive FC-202,(PK37) 0.37 KW / 0.50 HP, Three phase,380 - 480 VAC, (E20) IP20 / Chassis,RFI Filter,No brake chopper,No Loc. Cont. Panel,Not coated PCB, No Mains Option,Latest release std. SW.,Frame: A2,No C1 option, No D option,No A Option, No B Option