HNF01.1A-M900-E0051-A-480-NNNN Bosch Rexroth Indramat
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MPN: R911306532
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The Bosch Rexroth Indramat HNF01.1A-M900-E0051-A-480-NNNN is part of the HNF Mains Filters series. It supports up to 15 axes with a maximum cable length of 900 meters and has an IP20 degree of protection. This mains filter operates on a three-phase AC supply of 400 to 480 volts at 50 or 60 Hz and is categorized as EMC class C3 according to DIN EN 61800-3.
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Product Description:
The HNF01.1A-M900-E0051-A-480-NNNN mains filter is manufactured by Bosch Rexroth Indramat and belongs to the HNF Mains Filters series. It is installed between the plant power supply and Rexroth drive controllers to attenuate conducted noise and keep high-frequency interference from returning to the utility grid. By reducing differential-mode and common-mode disturbances, the filter helps protect sensitive control electronics and supports electromagnetic compatibility in multi-axis drive systems. This function also helps limit the spread of switching noise to adjacent equipment connected to the same incoming supply network.
The filter accepts a line input of 3 × AC 400–480 V, allowing operation on common three-phase industrial networks. Its rated supply frequency of 50/60 Hz allows the same unit to operate on standard power systems used in many regions. Electromagnetic performance is classified as C3 according to DIN EN 61800-3, so the filter is intended for industrial environments rather than residential installations. A housing protection rating of IP20 means the terminals are finger-safe, but the device still requires installation inside an enclosed control cabinet. The filter is sized for drive arrangements with up to 15 axes, making it suitable for centralized supply filtering where multiple converters share one feeder.
For extended machine layouts, the permissible combined motor and mains cable length can reach 900 m without compromising the attenuation curve. The mechanical designation version 1 and the electrical series 01 identify the initial build level for this unit. The supply classification for feeding devices only limits use to upstream positions in the drive chain, so the filter is intended for the incoming supply side rather than sections energized by regenerative sources. This arrangement supports stable line-side filtering in systems where several connected drives operate from a common mains connection.
Frequently Asked Questions about HNF01.1A-M900-E0051-A-480-NNNN:
Q: What are the application limits for the HNF01.1A-M900-E0051-A-480-NNNN mains filter?
A: The HNF01.1A-M900-E0051-A-480-NNNN is suitable for applications involving up to 15 axes with a maximum cable length of 900 meters.
Q: What is the mains connection voltage supported by the HNF01.1A-M900-E0051-A-480-NNNN?
A: This model is rated for a mains connection voltage of three-phase 400 to 480V AC, with a tolerance of -15% to +10% at frequencies of 50 or 60 Hz.
Q: What level of protection does the HNF01.1A-M900-E0051-A-480-NNNN provide?
A: The HNF01.1A-M900-E0051-A-480-NNNN offers a degree of protection rated at IP20.
Q: Which EMC category does the HNF01.1A-M900-E0051-A-480-NNNN mains filter meet?
A: It is compliant with EMC Category C3 as specified in DIN EN 61800-3 standards.
Q: What type of supply system is required for the HNF01.1A-M900-E0051-A-480-NNNN mains filter?
A: This filter is designed exclusively for use in supply systems that feed devices only.
