RKL4611 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4611 is part of the RKL Motor Power Cables series and features a cable construction of 4x16.0 mm² plus 2x(2x1.5 mm²) with a diameter of 25.5 mm. Designed for drag chain use, it has a PUR orange jacket, supports 5,000,000 bending cycles, and uses ferrules and an RLS0723 plug connector.
Internal Product Review
The RKL4611 is a Bosch Rexroth Indramat motor power cable designed for dynamic applications, featuring robust PUR jacket construction and suitability for drag chain use. With an impressive bending cycle rating of 5,000,000 and a flexible operating temperature range from -20 to 40°C, this cable is engineered for demanding motion environments. Its high durability and reliable power transmission make it a solid choice for automation systems.
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Product Description:
The RKL4611 motor power cable is manufactured by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It links IndraDrive amplifiers to synchronous servo motors used in production lines, pick-and-place gantries, and other automated axes. By combining power conductors and control pairs in a single flexible assembly, it allows one cable to be routed through a drag chain while maintaining reliable voltage delivery and signal integrity under constant motion. This arrangement also reduces the number of separate cable runs required between the drive cabinet and motor.
The cable has an outside diameter of 25.5 mm, and its internal bundle uses a 4 × 16.0 mm² + 2 × (2 × 1.5 mm²) conductor layout that separates the motor phases from the brake or temperature pairs. For stationary mounting, the jacket may be bent to a minimum radius of 5 × D, while dynamic routing inside drag chains requires a minimum radius of 7.5 × D. The cable has a rated service life of at least 5,000,000 flex cycles without conductor breakage under the applicable bending conditions. A ferruled end connects to the cabinet terminal strip, and the motor end terminates in an RLS0723 plug connector. Fixed installations tolerate ambient temperatures from -30 °C to 40 °C, while moving applications operate within a range of -20 °C to 40 °C.
The four power cores carry up to 300/500 V, while the auxiliary conductor pairs are rated for up to 300/300 V. Each phase uses a 16.0 mm² conductor to minimize voltage drop over long cable routes, and the paired control conductors carry brake commands or temperature feedback within the same assembly. The extruded sheath is made from PUR that is adhesion-free and matte, providing oil resistance and allowing the cable to move without sticking to neighboring hoses inside a carrier. Its orange RAL 2003 color improves visibility in machine areas and helps distinguish the motor power connection from other routed cables. The flexible jacket and separated conductor groups protect the power and auxiliary circuits from the repeated mechanical stress associated with moving automated axes.
