What this output reactor does on a drive line
The Siemens SIDAC 4EU3632-0MH08-4BA0 is a 3-phase AC output reactor rated for 110 A maximum continuous current and a rated frequency of 4000 Hz, with an inductance of 0.0006 H (0.6 mH). It sits between the drive output and the motor cable to limit the rate of voltage rise (dV/dt) and reduce capacitive charging currents in long cable runs, protecting the motor insulation from reflected-wave damage.
The 110 A maximum rating (Ithmax) governs the continuous current the reactor can carry without exceeding its thermal limits. The 4000 Hz rated frequency matches the switching frequency of modern IGBT-based drives — a reactor rated for 4 kHz carrier frequency will handle the harmonics without saturating the core. The 0.6 mH inductance value determines the impedance at the switching frequency and thus the dV/dt suppression; a lower inductance gives less filtering, a higher one more voltage drop at the motor terminals. The 299 W copper loss and 241 W iron loss together total about 540 W of heat that must be dissipated inside the panel — factor that into your enclosure cooling calculation.
The reactor measures 0.35 m wide by 0.32 m tall by 0.22 m deep — a substantial footprint that requires a dedicated mounting plate or DIN-rail adapter (not included). The main current connections use flat-type terminals, which accept busbar or cable lugs; plan for a torque wrench and the correct lug width. The thermal class H insulation means the winding can sustain a 180 °C hot-spot temperature without degradation, so it can be mounted near other heat-generating components as long as the ambient stays at or below the rated 40 °C.