NFD03.1-480-130 Bosch Rexroth Indramat
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MPN: R911286923
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The Bosch Rexroth Indramat NFD03.1-480-130 is part of the NFD Mains Filters series and supports three mains phases with a nominal mains voltage of 480 V AC and a nominal frequency of 50/60 Hz. It is rated for a continuous current of 130 Amps at 45 degrees Celsius and has an IP20 protection rating. The filter weighs 4.7 kilograms and is designed for vertical mounting with a maximum terminal conductor size of 50 mm2.
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Product Description:
The NFD03.1-480-130 is a three-phase mains filter produced by Bosch Rexroth Indramat within the NFD Mains Filters series. Installed ahead of drive controllers, the device attenuates conducted interference and helps its connected inverters comply with electromagnetic compatibility limits on industrial power networks. By inserting inductive and capacitive paths between the supply and the cabinet ground, the filter safeguards both upstream mains components and sensitive drive electronics from high-frequency noise. This placement also reduces the amount of switching noise that can travel back onto the facility supply and affect nearby control equipment.
At a rated ambient of 45 °C, the filter carries a continuous mains current of 130 A. It is designed for a three-phase network at a nominal 480 V AC with a tolerance of +10% and operates across the standard 50/60 Hz frequency range. The internal components dissipate 38 W while processing the line current, so cabinet ventilation must accommodate this thermal load. A housing rated IP20 allows safe installation inside a closed electrical enclosure. Vertical mounting keeps the thermal path unobstructed, and the assembly mass of 4.7 kg affects panel placement and support inside the cabinet.
Connection hardware is sized for conductors up to 50 mm², matching the AWG 1/0 rating for both rigid and flexible cables, and each line terminal can be tightened to 8 Nm. The separate ground stud accepts an M10 lug and permits a maximum of 18 Nm torque, while the protective earth path uses a 10 mm² cross-section to keep impedance low. Electrical insulation has been verified with a line-to-neutral test of 1100 V DC and a line-to-protective-earth withstand of 2000 V. During assembly, the stated torque limits help prevent conductor damage while maintaining the filter’s EMC performance.
Frequently Asked Questions about NFD03.1-480-130:
Q: What is the continuous mains current rating for the NFD03.1-480-130 mains filter?
A: The NFD03.1-480-130 mains filter supports a continuous mains current of 130 A when operated at 45°C.
Q: What nominal mains voltage is the NFD03.1-480-130 filter compatible with?
A: This mains filter is designed for use with a nominal mains voltage of 480 V AC.
Q: What level of protection does the NFD03.1-480-130 provide according to its IP rating?
A: The NFD03.1-480-130 has an IP20 protection rating, indicating protection against solid objects larger than 12.5 mm.
Q: What is the recommended mounting orientation for the NFD03.1-480-130?
A: This filter is intended for vertical mounting orientation as specified by the manufacturer.
Q: What is the maximum terminal conductor size supported by the NFD03.1-480-130?
A: The filter accommodates both flexible and rigid terminal conductors up to 50 mm² in cross-section.
