RKL4494 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4494 is part of the RKL Motor Power Cables series and features a 10.0 mm² power wire cross-section with control wire cross-sections of 2x1.0 mm² and 2x1.5 mm². The cable has a PUR jacket, supports up to 600 V AC operating voltage, and allows a maximum wire temperature of 90°C. Its bending radius is 5 times the diameter for fixed installation and 7.5 times for flexible installation.
Internal Product Review
The RKL4494 is a robust motor power cable from the Bosch Rexroth Indramat RKL series, designed with a PUR adhesion-free, matte jacket and a 10.0 mm² power wire cross-section. Suitable for both fixed and flexible installations, it supports an operating voltage of 600 V AC and performs reliably in temperatures up to +90 °C. This cable combines durability with flexibility, making it ideal for demanding industrial environments.
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Product Description:
The RKL4494 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. As a hybrid assembly carrying both mains supply and auxiliary cores, it links Indramat servo drives to synchronous motors and supports coordinated motion in automated machinery.
Mechanical installation limits for the cable begin with a minimum bending radius of 5 × D when it is clamped in place and a larger radius of 7.5 × D for continuously flexing energy-chain layouts; these values prevent conductor fatigue around tight loops. The copper power conductors use a cross-section of 10.0 mm², giving a line-to-line resistance of 1.91 Ω/km at 20 °C and keeping voltage drop low over long runs. Rated insulation withstands up to 600 V AC, so the cable mates with standard drive inverters without requiring step-down transformers. Two control-core pairs are integrated—one pair at 1.0 mm² and another at 1.5 mm²—to transmit brake release or temperature signals, while a measured discharge capacity of 1.0 nF/m limits reactive current in high-frequency PWM operation.
The outer diameter of 22.2 ± 1.0 mm helps determine gland size and also sets the base “D” used in the bending rules. A sheath of PUR (adhesion-free, matte) resists coolants and prevents the jacket from sticking inside drag-chain channels. Thermal limits allow conductor cores to reach +90 °C, with continuous service in rooms up to +40 °C; below-freezing work is supported down to –30 °C for static routing and to –20 °C for dynamic motion. These temperature ratings, together with a 7.5-fold flex radius and low mutual capacitance, make the RKL4494 suitable for packaging lines, pick-and-place axes, and other systems that require frequent movement without signal degradation.
