Frequency ConverterFC-102N500T4E20H2TGCXXXSXXXXAXBXCXXXXDXVLT® HVAC Drive FC-102(N500) 500 KW / 650 HP, Three phase380 - 480 VAC, (E20) IP20 / ChassisRFI FilterSafe StopGraphical Loc. Cont. PanelCoated PCB, No Mains OptionLatest release std. SW.Frame: E4HNo C1 option, No D optionNo A Option, No B Op