HNF01.1A-M900-R0026-A-480-NNNN Bosch Rexroth Indramat
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MPN: R911306535
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The Bosch Rexroth Indramat HNF01.1A-M900-R0026-A-480-NNNN is part of the HNF Mains Filters series and is designed for regenerative devices only. It supports applications with up to 15 axes and a maximum cable length of 900 meters. The mains filter operates at 3-phase AC 400 to 480V, 50/60 Hz, and has an IP20 degree of protection.
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Product Description:
The HNF01.1A-M900-R0026-A-480-NNNN is a cabinet-mounted mains filter produced by Bosch Rexroth Indramat for the HNF Mains Filters series. Installed between the plant supply and drive inverters, it suppresses conducted emissions and helps manage regenerated energy in shared DC-bus systems. This role supports multi-axis motion platforms that return power to the grid during deceleration rather than dissipating that energy as heat. Because the filter sits at the mains interface, it reduces interference that could otherwise spread through adjacent power and signal wiring. It is intended for automation cells where several servo axes operate at the same time and where clean incoming power helps protect nearby control equipment from electrical disturbance.
Its line terminals accept three-phase AC 400 to 480 V, -15% to +10%, 50/60 Hz, allowing connection to standard factory service without an external transformer. The filter carries a C3 rating under DIN EN 61800-3, which makes it suitable for industrial power networks with dedicated feeders. An enclosure classification of IP20 provides finger-safe access, so the unit must be installed inside a closed electrical cabinet. This arrangement suits cabinet layouts where the filter is mounted near line-entry components and upstream protection. It supports systems with up to 15 axes, and its inductive network is matched to a combined motor-cable length of 900 m so attenuation remains effective across large machine layouts.
The unit is version 1 and belongs to Series 01. Its power path is intended for regenerative devices only, so it can carry bidirectional current during energy feedback to the supply. That operating profile helps upstream protective devices remain stable when connected drives decelerate and return power to the line. It is well suited to installations that exchange braking energy across several interconnected inverter axes. The filter provides a predictable interface for multi-drive systems that rely on controlled energy return instead of external braking resistors.
Frequently Asked Questions about HNF01.1A-M900-R0026-A-480-NNNN:
Q: What are the application limits for the HNF01.1A-M900-R0026-A-480-NNNN mains filter?
A: The HNF01.1A-M900-R0026-A-480-NNNN can be used for up to 15 axes and supports a maximum cable length of 900 meters.
Q: What degree of protection does the HNF01.1A-M900-R0026-A-480-NNNN offer?
A: This model features a degree of protection rated at IP20, making it suitable for environments where it is shielded from large solid objects.
Q: What design version is the HNF01.1A-M900-R0026-A-480-NNNN mains filter?
A: The HNF01.1A-M900-R0026-A-480-NNNN is a Design Version 1 model.
Q: To which EMC category does the HNF01.1A-M900-R0026-A-480-NNNN conform?
A: This mains filter complies with EMC Category C3 according to DIN EN 61800-3.
Q: What is the required supply voltage for the HNF01.1A-M900-R0026-A-480-NNNN?
A: It is designed for use on a three-phase AC supply between 400 and 480 V, with a frequency of 50 or 60 Hz.
