RKL0033 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL0033 is part of the RKL Motor Power Cables series and features a power core cross-section of 10.0 mm² with a PUR jacket that is adhesion-free and matte. Rated for use in drag chains, this cable has an outer diameter of 22.2 mm and supports power wires at 300/500 V and control wires at 300/300 V. The RKL0033 offers a capacitance of 1.0 nF/m and a DC resistance of 1.91 ohm/km at 20°C.
Internal Product Review
The RKL0033 from Bosch Rexroth Indramat is a robust motor power cable designed for demanding industrial applications, featuring a PUR jacket that is adhesion-free and matte for improved durability. Rated for drag chain use and a wire temperature rating of +90°C, this cable is well-suited for dynamic environments. Its low dc resistance and reliable capacitance contribute to stable and efficient power transmission.
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Product Description:
The RKL0033 motor power cable is manufactured by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. The cable integrates three power conductors and screened control pairs in a single jacketed assembly, enabling compact routing between IndraDrive inverters and synchronous motors. In automated machining cells, robots, and transfer lines, it delivers drive current while providing feedback brake or temperature signals, helping maintain coordinated motion and safe stop functions. Its design supports continuous drag-chain operation, so it suits high-cycle pick-and-place gantries.
Each of the three power cores has a cross-section of 10.0 mm², arranged in the 4×10 mm²+(2×1.0)+(2×1.5) shielded topology that minimises electromagnetic coupling to neighbouring equipment. Internally, the specified multi-core layout separates power and sensing paths with individual shields, reducing noise injection into servo encoders. The overall cable diameter is 22.2 mm, yet the PUR jacket remains abrasion-resistant and oil-compatible; its surface is identified as PUR (adhesion-free, matte) for easy drag chain extraction. Electrical losses are kept low with a copper loop resistance of 1.91 ohm/km, and the line’s distributed capacitance of 1.0 nF/m supports stable PWM switching at high carrier frequencies.
For dynamic axes mounted in cable tracks, the design is certified for drag-chain installation and permits a minimum flexible bend radius of 7.5 × D, while fixed routing can tighten to 5 × D. The copper conductors tolerate continuous conductor temperatures up to +90 °C, and the power trio is rated to carry up to 300/500 V under VDE rules; the paired signal cores are limited to 300/300 V. Together, these ratings ensure reliable energy delivery and control feedback during thousands of accelerated bends.
