RKL4540 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4540 is part of the RKL Motor Power Cables series and features a PUR jacket that is adhesion-free and matte. This cable offers a power conductor size of 16.0 mm² and control conductor size of 1.5 mm², with an outer diameter of 25.5 mm. It supports up to 5 million bending cycles and has a conductor resistance of 1.21 Ω/km at 20 °C.
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Product Description:
The RKL4540 is a motor power cable produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. Designed as the link between drive controllers and servomotors, it delivers three-phase power and auxiliary signals while tolerating continuous flexing in drag-chain installations common to assembly lines and gantry robots.
The cable endures up to 5 million bending cycles, so moving axes can operate for long maintenance intervals without conductor fatigue. Each power core has a cross-section of 16.0 mm², giving low voltage drop during high current peaks. Copper conductor resistance is limited to 1.21 Ω/km at 20 °C, which improves overall system efficiency by minimizing I²R losses. For fixed routing points, the conductor insulation supports a maximum temperature of 90 °C, allowing placement near warm motor housings without thermal derating.
The separate control pairs use 1.5 mm² cores that carry brake or sensor supply lines and remain electrically isolated from the power phases inside a 25.5 mm overall diameter sheath. Line-to-ground noise is controlled by a discharge capacitance of 1.2 nF/m, reducing common-mode currents that could disturb feedback electronics. A PUR (adhesion-free, matte) outer jacket resists oils and weld spatter while sliding smoothly in energy chains. The construction notation [4x16 mm² + 2x(2x1.5 mm²)StC]C summarizes the internal layout and overall screen that shields adjacent signal cables in shared trays.
Wake Industrial keeps this cable in stock, can arrange same-day shipping, and issues quotations that remain valid for 30 days.
Frequently Asked Questions about RKL4540:
Q: How many bending cycles can the RKL4540 cable withstand during operation?
A: The RKL4540 is designed for up to 5 million bending cycles, making it suitable for highly dynamic applications.
Q: What material is used for the jacket of the RKL4540 cable and what is its finish?
A: This cable uses a PUR jacket that is adhesion-free with a matte finish for durability and easy handling.
Q: What is the power conductor cross-sectional area in the RKL4540 cable?
A: The RKL4540 has a power conductor size of 16.0 mm² for each of its four cores.
Q: What is the maximum conductor temperature for fixed installations of the RKL4540 cable?
A: The maximum operating temperature for the RKL4540 conductors in fixed installation is 90 °C.
Q: What is the discharge capacitance of the RKL4540 cable per meter?
A: This cable has a discharge capacitance of 1.2 nF per meter, relevant for electrical performance over longer distances.
