Product Description:

The HNF01.2D-F240-R0065-A-480-NNNN mains filter is produced by Bosch Rexroth Indramat as part of the HNF Mains Filters series. It is installed between the plant supply and an IndraDrive cabinet to attenuate conducted interference and to protect upstream lines from energy returned by regenerative drives. This placement lets the filter reduce unwanted noise before it reaches the supply network and before disturbance from the drive cabinet spreads through shared power lines. By suppressing high-frequency noise on the power bus, the filter helps multi-axis motion platforms meet electromagnetic compatibility limits while supporting stable DC-link voltage for the inverters.

The filter is identified as design version 2, so its bus bars and mounting holes follow the second-generation layout used in this series. It accepts a line supply of 3 × AC 400–480 V -15/+10% 50/60 Hz, allowing connection to common industrial grids without a step-down transformer. The metal enclosure has an IP20 rating, which provides finger-safe terminals and requires installation inside a control cabinet. Conducted emissions meet category C2 - DIN EN 61800-3, which covers the industrial environment range commonly associated with servo switching harmonics. The unit is intended for systems with up to 6 axes and cable lengths up to 240 m, making it suitable for larger multi-axis arrangements with extended motor leads.

The supply system restriction of regenerative devices only means the internal chokes and capacitors are tuned for drives that can return energy to the mains, which helps prevent overvoltage during braking. The unit carries series code 01, placing it in the first production cycle of this filter type. Proper installation depends on maintaining the required wiring clearances and observing the stated thermal limits so the filter can operate next to power modules without derating. These operating conditions help the filter maintain its intended electrical behavior when installed in compact drive cabinets.