The ABB 3AXD50000036391 is an LV AC machinery drive module, rated for 4 kW normal-use output at 18 A on a 200–240 V three-phase supply. Frame size R2, IP20 enclosure — it's a panel-mount module, not a standalone cabinet unit. Communication is over CAN; the module carries 6 digital inputs and 5 digital outputs, plus 2 analog inputs and 2 analog outputs. That's another SKU I don't need to second-guess for a standard 230 V motor branch.
Three duty classes are defined: normal use (Pn 4 kW, In 18 A), heavy-duty (PhD 3 kW, IhD 14 A), and light-overload (PlD 4 kW, IlD 16.8 A). Under UL listing, the heavy-duty output is 3 Hp at 14 A; light-overload is 5 Hp at 16.8 A. The heavy-duty current is the one that governs continuous motor starting — if your application cycles a 3 kW load repeatedly, that 14 A figure is your design ceiling, not the 18 A headline.
