KNK03.1A-NR-I0002-P-U226-A4-NNNN Bosch Rexroth Indramat
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MPN: R911373522
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The Bosch Rexroth Indramat KNK03.1A-NR-I0002-P-U226-A4-NNNN is a mains filter with integrated mains choke built for standard applications. Part of the KNK Mains Filters series, it operates with a nominal current of 2.3 Amps and a mains connection voltage of 3×AC 380 V to 3×AC 500 V. The filter features IP65 protection and is designed for regenerative supply systems, with thermal interface cooling and a leakage capacitance of 226 nanofarads.
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Product Description:
The KNK03.1A-NR-I0002-P-U226-A4-NNNN is a mains filter with an integrated mains choke produced by Bosch Rexroth Indramat for the KNK Mains Filters series. Positioned on the line side of drive controllers, it conditions incoming three-phase power by attenuating conducted noise and reducing harmonic feedback to the supply. This makes it suitable for industrial automation systems that use regenerative drive technology and need cleaner line behavior upstream of the power electronics. It is installed between the incoming mains and the drive system, where it helps stabilize the line interface before power reaches sensitive motion components.
This model has a nominal current rating of 2.3 A, which is the maximum continuous line current it can carry without exceeding thermal limits. It accepts a mains connection range of 3×AC 380 V −10 % to 3×AC 500 V +10 %, allowing use on common industrial power systems. The capacitive network has a capacitance of 226 nF, which balances suppression performance with safety-ground current, and the enclosure is rated IP65 for resistance to dust and low-pressure water jets. When installed in the standard mechanical arrangement, the filter meets Category C3 via DIN 61800-3 for industrial environments with separate transformer feeds.
The filter is intended for regenerative devices only, so the internal choke is suited to bidirectional energy flow. Heat is transferred to the mounting surface through a thermal interface with insulated mounting, which removes the need for forced ventilation and supports stable operating temperature. The unit belongs to Series 3 and is assigned to standard application duty for normal industrial ambient and load conditions. This layout supports direct machine mounting where cabinet space is limited and line-side noise suppression is still required.
Frequently Asked Questions about KNK03.1A-NR-I0002-P-U226-A4-NNNN:
Q: What type of application is the KNK03.1A-NR-I0002-P-U226-A4-NNNN mains filter designed for?
A: The KNK03.1A-NR-I0002-P-U226-A4-NNNN is intended for use in standard applications.
Q: What is the mains connection voltage range for the KNK03.1A-NR-I0002-P-U226-A4-NNNN?
A: This product supports a mains connection voltage range from 3×AC 380 V -10% to 3×AC 500 V +10%.
Q: What is the nominal current rating of the KNK03.1A-NR-I0002-P-U226-A4-NNNN?
A: The filter operates with a nominal current rating of 2.3 Amps.
Q: What is the leakage capacitance of the KNK03.1A-NR-I0002-P-U226-A4-NNNN mains filter?
A: This model has a leakage capacitance value of 226 nF.
Q: What protection level does the KNK03.1A-NR-I0002-P-U226-A4-NNNN offer?
A: The KNK03.1A-NR-I0002-P-U226-A4-NNNN has a protection level of IP65, providing a high degree of protection against dust and water jets.
