Frequency ConverterFC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDXVLT® HVAC Drive FC- 111(PK37) 0.37 KW / 0.50 HP, Three phase380 - 480 VAC, IP20 / Chassis BackplateRFI FilterNo brake chopperNo Loc. Cont. PanelCoated PCB, No Mains OptionNo A Option, No B OptionNo C1 option, No D optionFrame: H1