Product Description:

The HNL01.1R-3000-S0094-A-480-NNNN is a passive line reactor produced by Bosch Rexroth Indramat for the HNL Mains Chokes series. Positioned between the three-phase supply and a regenerative drive or inverter, the choke limits current spikes, smooths harmonic distortion, and improves electromagnetic compatibility in industrial automation panels. By stabilizing the network, it also shields semiconductor switches from steep voltage transients generated during rapid load changes. This passive component does not generate drive power on its own, but it conditions the incoming line so connected power electronics see a cleaner supply waveform. In this role, it reduces stress on upstream mains connections and on the input stages of connected power equipment.

This choke accepts a nominal feed of 3 x AC 400–480 V -15/+10%, 50/60 Hz, so it connects directly to common utility grids without tap adjustment. Its winding set is current-compensated, which raises inductance against differential-mode currents and reduces conducted noise returning to the mains. The enclosure carries a IP10 rating, so the unit should be installed inside a cabinet while still allowing ventilation through the housing openings. Supplied as design version 1, the mechanical layout and thermal paths correspond to the first release of this model. Because the upstream network is regenerative, the choke helps moderate reverse energy pulses when a drive returns surplus power and supports stable DC-link conditions.

Internally, the unit is assigned to Series 01, which identifies this release within the product line. This version uses the coil resistance, core alloys, and terminal spacing associated with that model group, keeping the electrical and mounting layout aligned with this release. Its magnetic design also matches the saturation behavior intended for this model, so inductance remains more predictable as line current changes.