What this filter reactor does in a drive line
The SIDAC 4EP4001-2MS00 is a 3-phase filter reactor rated for 400 V AC at 50 Hz, carrying a continuous rated current of 18.1 A (maximum 20.1 A). The 7 % relative throttling factor means it presents 7 % impedance relative to the drive's base load.
Mounting and terminal reality
This is an IP00 open-frame reactor — no enclosure, no finger-safe cover. It is intended for mounting inside a panel or drive cabinet where the live terminals are behind a locked door or interlocked cover. The main circuit connects via screw-type terminals or tab terminals (both provided), which suits cable lugs or quick-connect tabs up to the rated current. Dimensions are 0.219 m wide × 0.179 m high × 0.143 m deep — roughly 220 × 180 × 140 mm — so plan panel layout accordingly. Thermal class B (130 °C rise over 40 °C ambient) means the core and winding can reach 130 °C above a 40 °C ambient without degrading insulation; keep adjacent components clear of that heat path.