RKL0058 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL0058 is part of the RKL Motor Power Cables series and features a power wire cross section of 4.0 mm² with an operating voltage of 600 V AC. This cable has an outer diameter of 17.0 mm, a PUR matte jacket, and is designed for 5,000,000 bending cycles. It supports dynamic and static bending radii of 7.5xD and 5xD respectively, and is halogen-free.
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Product Description:
Bosch Rexroth Indramat manufactures the RKL0058 cable for its RKL Motor Power Cables series. This multi-core power cable links an IndraDrive servo amplifier to a synchronous motor in automated machinery. Its pre-terminated conductors reduce installation work in robots, gantry axes, and packaging lines that require continuous motion and repeated articulation. The cable carries motor power and auxiliary signals within one protected assembly, helping maintain orderly routing through machine frames and moving cable carriers.
The power core has a cross-sectional area of 4.0 mm², allowing the assembly to carry substantial current at machine-voltage levels. At 20 °C, the copper conductors have a resistance of 4.95 Ω/km, which can be used to calculate voltage drop over long cable runs. The sheath has an overall diameter of 17.0 mm, an important measurement when selecting gland plates, clamps, and drag-chain guides. In a fixed installation, the cable requires a minimum bend radius of 5 × D to protect the conductors and insulation from excessive stress. The dielectric system is rated for a line potential of up to 600 V AC. An auxiliary pair with a cross-sectional area of 1.0 mm² carries brake or sensor power independently of the main conductors.
The assembly withstands 5,000,000 bending cycles and requires a minimum moving bend radius of 7.5 × D, making it suitable for repetitive pick-and-place motion. Its matte PUR outer jacket remains flexible and resists exposure to oils commonly present in industrial machinery. The jacket is also halogen-free, which reduces the release of corrosive gases during a fire. The conductors may reach 80 °C during continuous movement, while the maximum conductor temperature in a fixed installation is 90 °C. Observing the applicable bend radius prevents excessive mechanical loading on the cable as it travels through a carrier. Appropriate gland and guide dimensions also help avoid compression or abrasion of the outer jacket during operation.
