RKL4568 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4568 is part of the RKL Motor Power Cables series and features a PUR jacket in orange and supports both power and control operating voltages of 300/500 V and 300/300 V. It is suitable for use in drag chains, has bending radii of 5 x D for fixed installation and 7.5 x D for flexible installation, and allows maximum wire temperatures up to 90 degrees Celsius when fixed.
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Product Description:
The RKL4568 cable is produced by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. Designed for industrial automation wiring, it serves as the primary power link between IndraDrive amplifiers and servo motors while also carrying low-level control conductors. Its construction supports fixed routing inside cabinets or dynamic motion inside cable tracks, giving machine builders a single assembly for energy supply and feedback functions in robots, gantries, and transfer lines.
For the three motor phases the cable uses a power core of 10.0 mm², a size that balances current capacity with manageable outer diameter. These conductors may be energized up to 300/500 V, which aligns with the voltage classes of Rexroth servo drives. Copper losses are limited by a resistance of 1.91 ohm/km measured at the same cross-section, supporting long runs without excessive voltage drop. In stationary installations the sheath may be bent to a radius of 5 × D, while its mechanical design is drag-chain capable so cyclical motions do not degrade shielding or insulation. The control pair rating of 300/300 V allows integrated brake or sensor lines to share the same jacket without supplementary conduit.
The auxiliary cores follow a mixed geometry of 2x1.0 mm² + 2x1.5 mm², providing separate return paths for brakes, temperature sensors, or motor encoders. When the cable is routed through moving carriages, the minimum loop radius widens to 7.5 × D to avoid conductor fatigue. Exterior protection comes from a matte, adhesion-free PUR jacket in the highly visible RAL 2003 orange tone. Thermal endurance reaches 90 °C for fixed routing and 80 °C for flexing sections, so the assembly remains serviceable near drive inverters or in enclosures with elevated ambient temperatures generated by braking resistors.
Frequently Asked Questions about RKL4568:
Q: What is the power wire cross-section of the RKL4568 power cable?
A: The RKL4568 uses power wires with a cross-section of 10.0 mm².
Q: What type of jacket material and color does the RKL4568 cable have?
A: This cable features a PUR jacket in RAL 2003 orange and has a matte, adhesion-free surface.
Q: Can the RKL4568 power cable be used in drag chain applications?
A: The RKL4568 is suitable for drag chain use, making it appropriate for continuous flexing in dynamic applications.
Q: What is the conductor resistance of the RKL4568 cable for 10.0 mm² wire?
A: The maximum conductor resistance for the 10.0 mm² wire in the RKL4568 is 1.91 ohm/km.
Q: What is the maximum operating voltage for the power wires on the RKL4568 cable?
A: The RKL4568 cable allows for an operating voltage up to 300/500 V for power lines.
