HNL01.1R-4200-S0026-A-480-NNNN Bosch Rexroth Indramat
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MPN: R911306603
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The Bosch Rexroth Indramat HNL01.1R-4200-S0026-A-480-NNNN is part of the HNL Mains Chokes series. It operates with a 3-phase AC voltage of 400 to 480 volts at 50 or 60 Hz, and supports regenerative supply systems. This mains choke features current-compensated options and has a degree of protection rated at IP10.
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Product Description:
The HNL01.1R-4200-S0026-A-480-NNNN is a three-phase mains choke produced by Bosch Rexroth Indramat as part of the HNL Mains Chokes series. This passive line component is installed between the facility supply and a regenerative drive module to limit line harmonics and attenuate inrush current in industrial automation systems. By inserting controlled inductance in each phase conductor, the choke improves power factor, reduces voltage distortion, and helps protect upstream breakers and contactors from steep current gradients created by fast-switching inverter systems. In applications that return braking energy to the mains, the added inductance also smooths the current waveform seen by the incoming power network.
The choke accepts a supply of 3 x AC 400–480 V and remains functional within a −15/+10 % voltage window, so normal utility fluctuations do not disrupt inductive performance. Grid frequency compatibility spans 50/60 Hz, allowing the same unit to operate in both domestic and international installations. Internally, parallel windings are arranged as a current-compensated pair, and opposing flux paths help cancel common-mode noise that could couple into sensor lines and fieldbus cables. That arrangement helps keep electrical interference away from nearby feedback wiring and communication conductors inside the cabinet. The magnetic core is sized for a regenerative supply system, so it can handle bidirectional energy flow during motor braking without saturating or overheating.
The enclosure meets IP10, which allows cabinet airflow while helping guard against accidental contact with live parts. The unit is Design version 1, indicating the first released build for this model. It belongs to Series 01, which uses standardized mounting frames and terminal layouts across the HNL line. The open enclosure style is intended for installation inside a protected control cabinet rather than on an exposed machine surface. Standardized mounting and terminal geometry also help the choke fit the matching regenerative power platform without additional interface hardware.
Frequently Asked Questions about HNL01.1R-4200-S0026-A-480-NNNN:
Q: What type of additional options does the HNL01.1R-4200-S0026-A-480-NNNN provide?
A: The HNL01.1R-4200-S0026-A-480-NNNN offers a current-compensated mains choke configuration.
Q: What is the mains connection voltage range for the HNL01.1R-4200-S0026-A-480-NNNN?
A: This model operates with a 3-phase AC mains connection voltage of 400 to 480 V at 50 or 60 Hz, allowing for a voltage fluctuation range of -15% to +10%.
Q: What is the degree of protection on the HNL01.1R-4200-S0026-A-480-NNNN mains choke?
A: The HNL01.1R-4200-S0026-A-480-NNNN features an IP10 degree of protection, providing basic protection against large solid objects.
Q: What type of supply system does the HNL01.1R-4200-S0026-A-480-NNNN support?
A: This mains choke is designed for use in regenerative supply systems.
Q: What design version is the HNL01.1R-4200-S0026-A-480-NNNN mains choke?
A: The HNL01.1R-4200-S0026-A-480-NNNN is classified as design version 1.
