RKL4405 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4405 is part of the RKL Motor Power Cables series. This cable features a PUR jacket and a nominal diameter of 14.8 mm, as well as a construction of 4 x 2.5 mm² plus 2 x (2 x 1.0 mm²). It is halogen-free and rated for up to 5,000,000 bending cycles for drag chain use.
Internal Product Review
The RKL4405 is a Bosch Rexroth Indramat RKL Motor Power Cable featuring a halogen-free PUR jacket and optimized for drag chain applications. Its cable construction of 4x2.5 mm² plus 2x(2x1.0 mm²) provides excellent electrical performance and durability. With a bending cycle rating of 5,000,000, this cable is ideal for demanding motion environments.
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Product Description:
The RKL4405 motor power cable is manufactured by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. This product is a multi-core electrical cable intended to route three-phase supply and auxiliary control lines from the inverter to the motor in automated machinery. Its flexible construction supports movement inside drag chains while maintaining stable power delivery for repeatable positioning and consistent machine cycles.
For stationary installation, the cable can be bent to a minimum radius of 5 x D, while dynamic applications require a radius of 7.5 x D. Endurance is rated for 5,000,000 flex cycles, which supports repeated motion in high-duty drag-chain service. The conductor resistance of 7.98 Ω/km helps limit voltage drop over longer cable runs, and the nominal outer diameter of 14.8 mm is useful when selecting clamps and cable glands. The cable also has a capacitance of 0.7 nF/m, which helps keep reactive current low in PWM drive systems. It is approved for use in drag chains, so repeated motion does not easily disturb the shielding or insulation during normal operation. These electrical and bending values support reliable routing where the cable must move with the axis through continuous machine travel.
The outer jacket is made from PUR, which provides good abrasion resistance and oil tolerance in industrial environments. The insulation system is halogen-free, helping reduce corrosive and toxic gas formation during a fire. Its conductor arrangement is 4x2.5 mm² + 2x(2x1.0 mm²), separating the main power conductors from the smaller auxiliary pairs inside the same cable body. This layout helps keep power transmission and auxiliary signals organized in confined carrier spaces. The combination of jacket material and conductor grouping suits automated equipment that operates with repetitive motion and moderate thermal loading.
