Product Description:

The HNF01.1A-M900-R0026 is a cabinet-mount mains filter produced by Bosch Rexroth Indramat for the HNF Mains Filters series. As a line-side passive component, it is wired between the plant power bus and multi-axis inverters to absorb switching harmonics, limit leakage currents, and return regenerated energy to the supply. In automated production cells, this filter helps regenerative drive packages operate within EMC limits while preventing conducted noise from disturbing upstream measurement or control hardware.

Electrically, the filter carries a continuous current of 26 A, making it suitable for medium-power gantry or transfer lines that cycle energy back to the mains. During operation, it releases 77 W of heat, so enclosure ventilation must remove this loss to keep the capacitor bank within its thermal rating. Mechanically, the unit is 150 mm wide, 440 mm high, and 262 mm deep, allowing it to fit beside regenerative converters inside standard 600 mm control cabinets while still leaving clearance for wiring bends. The steel housing follows design version 1 of the series, and the internal coil layout is tuned for the frequency spectrum generated by modern pulse-width-modulated inverters.

Application coverage extends to drive cabinets that combine up to 15 axes with bus cables as long as 900 m, so a single filter can protect extensive servo networks without auxiliary reactors. The unit is intended for regenerative devices only, and its differential-mode inductance is suited to reverse energy flow during frequent deceleration cycles. Electromagnetic conformity is aligned with C3 in accordance with DIN EN 61800-3, which is appropriate for industrial areas that permit higher emissions while protecting adjacent equipment. The unit weighs 17 kg, providing a stable mounting base and helping reduce vibration. The housing is rigid, and the unit uses the series 01 wiring scheme.