RKL4582 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4582 is a power cable from the RKL Motor Power Cables series with a cable construction of 4x16.0 mm² plus 2x(2x1.5 mm²) for control. The RKL4582 features a PUR jacket in RAL 2003 orange, an overall diameter of 25.5 mm, and conductor resistance of 1.21 Ohm per kilometer at 20°C. It is rated for 600 VAC operating voltage for both power and control and is designed for use in drag chain systems.
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Product Description:
The RKL4582 is a motor power cable manufactured by Bosch Rexroth Indramat within the RKL Motor Power Cables series. The cable links servo drives to synchronous or asynchronous motors, carrying three-phase power and auxiliary control voltages in a single sheath to simplify wiring inside automated cells. It is intended for machine tools, packaging lines, and handling axes where compact routing and continuous motion are required. By combining substantial power conductors with shielded signal pairs, the assembly maintains electromagnetic compatibility and reduces the amount of separate wiring needed between the drive and motor.
The cable core has a 4 × 16.0 mm² + 2 × (2 × 1.5 mm²) StC construction, providing four power conductors and two signal pairs for brake or sensor circuits. Its outer diameter is 25.5 mm, while the abrasion-resistant PUR jacket helps preserve flexibility during routing through machinery. When measured at 20 °C, the loop has a resistance of 1.21 Ω/km, which limits line losses when motors are installed far from the drive cabinet. The insulation supports continuous operation at 600 VAC for both the three-phase group and the auxiliary cores, allowing the conductors to operate at a common voltage rating.
The cable is approved for continuous movement in drag chains, and the flexible segment may bend to a minimum radius of 7.5 × D. A fixed installation permits a tighter minimum bend radius of 5 × D. Thermal limits differ between stationary and moving runs: conductors in stationary trays tolerate up to 90 °C, while mobile loops are limited to 80 °C. The dielectric geometry provides a discharge capacitance of 1.2 nF/m, supporting sharp pulse-width modulation edges without excessive reactive current. The high-visibility RAL 2003 (orange) jacket uses a PUR sheath that resists oils and abrasion while making the cable easier to identify during maintenance.
