RKL4606 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4606 is a Basic ready-made power cable from the RKL Motor Power Cables series. It offers 5,000,000 bending cycles and features ferrule and RLS0721 plug connectors. The cable supports a dynamic bending radius of 7.5 times the diameter, with an operating temperature range from -30 to 80 degrees Celsius.
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Product Description:
The RKL4606 motor power cable is produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. This ready-terminated lead transfers three-phase power from IndraDrive servo inverters to synchronous or asynchronous motors in automated machinery. Its shielded conductors help limit electromagnetic interference that could affect nearby feedback and control wiring. Machine-side sealing protects the connection from contaminants commonly present around moving equipment. The cable supports dynamic routing through cable tracks and robot joints used in assembly lines and material-handling systems. It is supplied in a predetermined length, allowing the cable to be installed without custom crimping or field assembly errors.
The cable is classified as a ready-made assembly, with its outer jacket, shielding, and plugs installed at the factory. As the power cable variant of the RKL family, it carries motor-phase and protective-ground conductors sized for continuous drive current. Machine-side wiring terminates in pre-crimped ferrules, while the drive side uses a keyed RLS0721 plug connector that prevents incorrect pin alignment. Its mechanical service life is rated for 5,000,000 bending cycles when installed and operated within the permitted routing limits. During continuous movement, the cable requires a minimum bending radius of 7.5 × D, where D represents the cable’s outside diameter. This radius reduces mechanical stress on the conductors, shielding, and jacket during repetitive acceleration and directional changes.
For fixed cabinet runs, the minimum installation radius is 5 × D, allowing tighter routing after the harness has been secured. The lower temperature limit is -30 °C, supporting storage and cold-start conditions in unheated facilities. The upper operating temperature is 80 °C, permitting use near equipment that generates elevated ambient heat. The Basic model’s jacket compound and insulation system are matched to this temperature range. These materials help maintain dielectric strength and controlled elongation as the cable moves between its minimum and maximum service temperatures. Observing the stated bending radii helps prevent conductor fatigue, jacket deformation, and damage to the internal shield during fixed or dynamic installation.
