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.
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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.
Frequently Asked Questions about RKL4417:
Q: Is the RKL4417 cable halogen-free for safety-critical installations?
A: The RKL4417 power cable is halogen-free, providing low emission of toxic gases in case of fire.
Q: What is the conductor cross-section size of the RKL4417 cable?
A: This cable has a conductor cross-section of 50.0 mm², offering substantial capacity for high-power applications.
Q: What is the minimum bending radius required for fixed installations of the RKL4417 cable?
A: For fixed installation, the minimum bending radius is 5 times the outer diameter of the cable.
Q: What material and finish is used for the outer jacket of the RKL4417 cable?
A: The RKL4417 cable features a matte, adhesion-free PUR jacket, ensuring durability and resistance to chemicals.
Q: What is the maximum operating conductor temperature for the RKL4417 cable in fixed installations?
A: The maximum conductor temperature allowed is +90 °C when the cable is installed in a fixed position.
