HNF01.2D-F240-R0094-A-480-NNNN Bosch Rexroth Indramat
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MPN: R911380993
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The Bosch Rexroth Indramat HNF01.2D-F240-R0094-A-480-NNNN is part of the HNF Mains Filters series and has a nominal current rating of 94 Amps. This device is designed for regenerative systems and supports up to 6 axes with a maximum cable length of 240 meters. It features a mains connection voltage of 3 × AC 400 to 480V at 50/60 Hz and an IP20 degree of protection.
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Product Description:
The HNF01.2D-F240-R0094-A-480-NNNN is a line-side mains filter manufactured by Bosch Rexroth Indramat for the HNF Mains Filters series. Positioned between plant power distribution and IndraDrive regenerative inverters, the unit suppresses conducted interference and returns excess energy to the utility grid while keeping harmonic distortion within industrial automation limits. This helps keep shared supply lines cleaner when several regenerative axes accelerate and brake within the same installation. By conditioning the incoming supply, it protects both sensitive drive electronics and upstream equipment in multi-axis production cells.
Rated for a nominal current of 94 A, the filter can sustain the continuous demand of medium-power drive groups without core saturation. Its terminals accept 400–480 V AC three-phase mains with a tolerance of -15% to +10% at 50 or 60 Hz, allowing use on international networks. The housing carries a protection level of IP20, meaning live parts are finger-safe but the device must reside inside a switchgear cabinet. Cabinet installation also helps shield the unit from direct contact with dust, debris, and incidental moisture in the surrounding plant area. Design Version 2 incorporates wider busbar spacing and reinforced mounting feet for updated IndraDrive power modules. Compliance with the C2 electromagnetic compatibility category under DIN EN 61800-3 extends attenuation into a higher-frequency band, reducing emissions in installations where adjacent equipment is susceptible to radio-frequency noise.
For application sizing, the module supports drive trains of up to 6 axes and maintains low leakage current along a combined motor-and-mains cable distance of 240 m. Within the product hierarchy it belongs to Series 01, so its footprint, terminal pitch, and heat sink orientation match other first-generation HNF components. Because its topology allows bidirectional energy flow, the unit is intended for regenerative devices only, preventing back-feeding into passive rectifier front ends and supporting controlled power recovery during rapid deceleration or braking cycles. That operating role suits systems that send braking energy back toward the supply instead of dissipating it as heat.
