RKL4569 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4569 is part of the RKL Motor Power Cables series and features a nominal cable diameter of 25.5 mm with a PUR jacket material. This cable is suitable for drag chain use, supports 5,000,000 bending cycles, and operates within an ambient temperature range of -30 to 80 degrees Celsius. Its power wire cross-section is 16.0 mm², and the control wire cross-section is 2x(2x1.5 mm²).
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Product Description:
The RKL4569 is a motor power cable produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. It delivers three-phase power and low-level control signals from an Indramat drive to a synchronous or asynchronous motor in an industrial automation system. The cable permits continuous movement inside cable carriers, allowing installation on linear modules, gantry robots, and other moving axes where repeated flexing of the power connection is unavoidable. Its flexible design accommodates the recurring motion associated with automated handling, positioning, and material-transfer equipment.
The cable has a nominal outer diameter of 25.5 mm, providing a clear reference for selecting compatible glands, conduits, clamps, and carrier partitions. Each main power conductor has a cross-sectional area of 16.0 mm², while two paired control circuits use a 2 × (2 × 1.5 mm²) conductor arrangement for brake or temperature signals. A durable PUR jacket resists the oil, coolant, and abrasion commonly encountered around machine tools and production equipment. The DC conductor resistance is 1.21 Ω/km at 20 °C, helping limit voltage loss during power transmission over extended cable runs. Mutual capacitance is 1.2 nF/m, which must be considered when configuring motor-side filters on the connected drive. For moving cable-carrier routes, the cable supports a minimum dynamic bending radius of 7.5 × D without damaging the shielding or insulation.
The cable remains serviceable at temperatures from -30 °C to 80 °C, accommodating cold storage areas, machine spaces, and warm enclosure passages. Its continuous-flex service life is rated for 5,000,000 bending cycles, making it suitable for equipment that performs repetitive axis movements over long operating periods. When the cable carrier is stationary, a minimum bending radius of 5 × D permits compact routing at cabinet entries and fixed connection points without placing excessive stress on the internal conductors. Proper support along the cable path also helps prevent twisting, localized pressure, and movement beyond the permitted bend radii.
