Product Description:

The HNS02.1A-Q200-R0023-A-480-NNNN is produced by Bosch Rexroth Indramat and belongs to the HNS Mains Filter series. Installed ahead of drive controllers, the unit screens the three-phase supply, suppressing conducted noise and handling regenerated energy returned from servo inverters. This function helps keep upstream distribution components within their electromagnetic compatibility limits and prevents nuisance tripping during rapid braking cycles used in automated machinery.

The filter is designed for a basic load of 60 %, so only three-fifths of its thermal capacity is occupied during steady operation, leaving headroom for transient events. A continuous phase current of 23 A is the maximum RMS line current it can handle without exceeding its temperature rise limits. During motoring intervals, energy can be fed into the network for up to 0.67 s before the controller expects a regenerative phase, which helps balance heat in the magnetic components. Short bursts are tolerated through a peak phase current of 55 A, and that overload may be maintained for 300 ms without damage. These current and time limits help prevent saturation during fast acceleration or deceleration cycles.

The upstream protection must match the fuse rating of 50 A/690 V, allowing selective isolation if a fault occurs on the filter side. Mechanical terminations are secured at an input terminal torque of 4.5 Nm, while the output lugs tighten to 1.8 Nm to maintain low contact resistance. An enclosure protection rating of IP20 confirms that tool-guarded, finger-safe access is provided, but the device still requires a cabinet for exposure to dust or liquids. Under rated load, the magnetic core and damping resistors release 75 W of heat, so panel ventilation must remove this loss. Additional performance limits include a regenerative duty cycle of 1.42 s and a weight of 14.9 kg, which influence cabinet layout and handling.