NFD01.1-500-110 Bosch Rexroth Indramat
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MPN: R911267875
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The Bosch Rexroth Indramat NFD01.1-500-110 is part of the NFD Mains Filters series and has an input phase configuration of 3 with a nominal line-to-line voltage of 500 V. This filter operates at an input frequency of 50/60 Hz, supports a rated current of 110 Amps, and features an IP10 degree of protection.
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Product Description:
The NFD01.1-500-110 is a mains filter produced by Bosch Rexroth Indramat within the NFD Mains Filters series. It is installed between the utility supply and three-phase drive controllers to attenuate conducted electrical noise that might otherwise be reflected back onto the plant power bus. By limiting high-frequency interference, the device helps motion-control equipment meet electromagnetic compatibility requirements and shields sensitive upstream infrastructure from inverter-generated harmonics. This placement also helps keep switching noise from spreading into feeders that supply PLCs, sensors, and other control hardware in the same cabinet lineup.
This filter is specified for a line-to-line operating potential of 500 V and can carry up to 110 A of continuous current without derating. It accepts supply frequencies of 50/60 Hz, allowing use on standard industrial grids worldwide. The housing carries a protection rating of IP10, indicating finger-safe openings but no liquid ingress resistance, so it must be mounted inside a cabinet. Because the enclosure is not sealed against moisture or dust ingress, it is intended for protected indoor mounting where contamination can be controlled. Operation is intended on a three-phase network, enabling symmetrical attenuation across all conductors and minimizing common-mode emissions that can disturb adjacent automation cells.
Dielectric strength is verified at a test potential of 2125 VDC between line conductors and at 2800 VDC from line to chassis, providing suitable isolation during overvoltage conditions. The wiring terminal for the protective circuit requires a conductor cross-section of at least 10 mm², ensuring low-impedance return paths for fault currents and a stable reference during high-frequency filtering. A clearly marked protective earth stud simplifies bonding to the enclosure back plate without introducing unnecessary routing complexity. A low-impedance ground path also helps the filter divert high-frequency noise to the cabinet structure instead of letting it circulate through nearby signal wiring.
Frequently Asked Questions about NFD01.1-500-110:
Q: What is the rated current of the NFD01.1-500-110 mains filter?
A: The NFD01.1-500-110 mains filter has a rated current of 110 A, ensuring high-capacity current handling for industrial equipment.
Q: What nominal voltage does the NFD01.1-500-110 support?
A: This filter operates with a nominal voltage of 500 V between lines, making it suitable for high-voltage three-phase systems.
Q: How many input phases does the NFD01.1-500-110 mains filter support?
A: The NFD01.1-500-110 provides mains filtering for three-phase systems, enhancing compatibility with industrial power networks.
Q: What is the minimum PE conductor cross-section required for the NFD01.1-500-110?
A: The minimum PE conductor cross-section for this model is specified at 10 mm², which meets safety grounding requirements.
Q: What level of protection does the NFD01.1-500-110 provide according to its IP rating?
A: The NFD01.1-500-110 has an IP10 degree of protection, offering basic protection against large solid objects but no moisture protection.
