RKL4417 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4417 is part of the RKL Motor Power Cables series and features a 50.0 mm² conductor cross-section with an outer diameter of 36.8 mm. This halogen-free cable uses an orange PUR jacket and supports a fixed bending radius of 5xD and a flexible bending radius of 7.5xD. It has a conductor resistance of 0.386 Ω/km at 20°C and a specific weight of 3.200 kg per meter.
Internal Product Review
The RKL4417 from the RKL Motor Power Cables series is a durable power cable designed with a robust 50.0 mm² conductor cross-section and low conductor resistance of 0.386 Ω/km for efficient power transmission. Its halogen-free PUR jacket offers excellent chemical resistance and flexibility, making it suitable for demanding industrial applications. The cable's reliable insulation and discharge capacity ensure both safety and consistent operation in automation environments.
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Product Description:
The RKL4417 power cable from Bosch Rexroth Indramat belongs to the RKL Motor Power Cables series and is intended to connect servo drives to synchronous motors in automated machinery. Within a drive cabinet or drag-chain routing, it transmits three-phase power while maintaining EMC compliance through its predefined geometry and insulation system. By combining finely stranded copper conductors with a rugged polymer jacket, the cable supports dynamic motion axes, robots, and handling equipment that require reliable energy delivery under continuous mechanical stress.
The cable’s mechanical limits start with a minimum fixed bending radius of 5xD, allowing tight cabinet routing, and a dynamic rating of 7.5xD for continuously flexing axes. A stranded conductor area of 50.0 mm² supports high motor currents while keeping voltage drop low; this is complemented by a specific DC resistance of 0.386 Ω/km, a figure that simplifies drive sizing for long runs. The PUR sheath, specified as PUR (adhesion-free, matt), resists oil, abrasion, and welding spatter, and because the material is halogen-free it does not release corrosive gases during a fire. During motion the copper remains below its mobile temperature limit of +80 °C, ensuring insulation integrity when the cable is installed on energy-chains or robot wrists.
Electrical behaviour is defined by a mutual capacitance of 1.3 nF/m, which minimizes reactive current in long motor leads and reduces inverter stress. The external appearance remains consistent thanks to the high-visibility Orange (RAL 2003) outer sheath, and the conductor cores can endure continuous service at +90 °C when permanently laid in machines or cable ducts. An overall diameter of 36.8 mm balances ampacity with flexibility, while a specific mass of 3.200 kg/m must be considered when sizing drag-chain acceleration forces and vertical cable trays.
