RKL4491 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4491 is part of the RKL Motor Power Cables series and features a PUR matte jacket material and an outer diameter of 30.8 mm. This cable supports an operating voltage of 600 V AC, includes a power wire cross-section of 35.0 mm², and has conductor resistance of 0.554 ohm/km.
Internal Product Review
The RKL4491 from Bosch Rexroth Indramat is a robust RKL Motor Power Cable engineered for demanding automation environments. With a durable PUR jacket and a power wire cross-section of 35.0 mm², this cable delivers both strength and flexibility. High operating voltage capability at 600 V AC and optimized bending radii support reliable performance in dynamic cable routing applications.
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Product Description:
The RKL4491 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. Designed for fixed installations or moving energy chains in industrial automation, the assembly links IndraDrive amplifiers to synchronous motors so that drive current and auxiliary signals reach the machine actuator without additional junction boxes. Its design supports continuous operation in material-handling cells, packaging lines, and multi-axis gantries where dependable energy delivery is essential for coordinated motion.
The cable’s three copper power conductors have a cross-sectional area of 35.0 mm², allowing low-loss transfer of motor phase currents, while an integrated control pair uses 1.5 mm² wires to carry brake or temperature signals. The insulation thickness and conductor clearances support a rating of 600 V AC, matching typical servo inverter output levels. Direct-current resistance is limited to 0.554 Ω/km, helping reduce voltage drop across long cable runs. The molded outer jacket measures 30.8 mm in diameter, allowing the cable to fit standard energy-chain separators and gland plates. The controller end terminates with an RLS0723 (K35) angled connector, while the motor end has ferrules and ring terminals for direct connection to the power module.
A jacket made from PUR (adhesion-free, matte) resists cutting fluids and helps prevent debris from accumulating inside cable tracks. For dynamic applications, the cable can flex around a minimum bending radius of 7.5 × D, while fixed installations may use a tighter 5 × D bend without stressing the insulation. Continuous operation is permitted at ambient temperatures from -20 to +40 °C, covering the conditions found in many production environments. The matte, adhesion-free surface reduces sticking between the cable and neighboring components during repeated movement through an energy chain.
