The Rexroth HNF01.1A-M900-E0051-A-480 NNNN is a high-performance mains filter designed for demanding industrial applications. As part of the HNF series, this filter is engineered to effectively suppress conducted high-frequency interference generated by drive controllers and motors. It plays a crucial role in ensuring electromagnetic compatibility (EMC) within a system, protecting sensitive electronic components and ensuring compliance with international standards. With its robust construction and high current rating, it is an essential component for maintaining the reliability and operational integrity of modern servo drive systems, particularly in conjunction with Rexroth IndraDrive and IndraDyn product families.