What this reactor does on the line
The SIDAC 4EU9932-0AH00-0BA0 is a 3-phase filter reactor for 400 V AC, 50 Hz networks. 34.8 A rated continuous, 38.7 A maximum — that's the thermal limit before the core saturates or the winding exceeds Class H insulation rise. 0.0017 H inductance with a 14 % relative throttling factor means it knocks down the dominant harmonic content from VFDs or UPS systems. The 134 Hz resonant frequency tells you where the trap sits — above the 2nd harmonic, so it's tuned for 5th and 7th order cleanup on a 6-pulse drive line.
48.45 kVAR reactive power — that's the compensation the filter bank delivers at rated voltage. Thermal class H (IEC 60085) means the winding can run at 180 °C hot-spot, so derating for a 40 °C ambient is already baked in. IP00 — open frame, no enclosure. Mount it inside a panel with clearance to adjacent gear; the screw-type / flat-type terminals accept lug or bus-bar connections. This is a panel-mount part, not a standalone box.