Product Description:

The HNF05.1E-500N-R0400-N-A5-NNNN is a passive mains filter produced by Bosch Rexroth Indramat within the HNF Mains Filters series. Designed to sit between a regenerative drive package and the plant supply bus, the device attenuates conducted interference and helps maintain line quality in multi-axis automation cells. In this role, it reduces electrical noise that would otherwise return to the mains and affect nearby automation equipment. The filter follows design version 1, giving it mechanical dimensions that fit the modular cabinet hardware used with this product family. Its passive design means it performs filtering without active switching components of its own.

The filter handles a continuous line current of 400 A and accepts a symmetrical input range of 380 to 690 V AC across three conductors. These conductors form a 3-phase AC path that matches the topology of typical medium-power inverters used on production machinery. This electrical capacity suits large regenerative drive groups that place substantial demand on the incoming supply. A built-in tolerance window of -15% / +10% allows the device to operate through moderate undervoltage or overvoltage conditions without derating. Compliance with DIN EN 61800-3 sets the attenuation behavior and internal layout needed for industrial drive installations.

To manage high dV/dt transients, the network uses 500 nF of leakage capacitance that returns common-mode currents to the source and reduces radio-frequency stress on adjacent equipment. Because the housing is rated IP00, the unit must be installed inside a grounded cabinet where protective covers and airflow can control exposure and heat. Open construction makes enclosure selection important because the filter does not provide touch protection on its own. The supply connection is intended for regenerative devices only, so the choke geometry is arranged for bidirectional power flow rather than single-quadrant loads. The internal architecture is identified as Series 05.