RKL4328 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4328 is part of the RKL Motor Power Cables series and features a PUR cable jacket with an outer diameter of 18.5 mm. It provides a power wire cross-section of 6.0 mm² and supports up to 5 million bending cycles. The cable comes with RLS0723/K06 and RLS1301/C06 connectors on the controller and motor sides, respectively.
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Product Description:
The RKL4328 is a motor power cable from Bosch Rexroth Indramat’s RKL Motor Power Cables series. Engineered for servo and spindle drives, the cable links a controller cabinet to the machine-mounted motor, supplying three-phase energy and auxiliary circuits while maintaining signal integrity under continuous motion. Its construction supports dynamic routing in cable chains common to packaging, handling, and machining cells, and by integrating keyed connectors at each end, installation time is reduced and wiring errors are minimized.
The power conductors in the RKL4328 have a cross-section of 6.0 mm², providing adequate ampacity for medium-frame synchronous motors. Independent control pairs sized at 1.0 mm² carry encoder supply or brake release signals, while an auxiliary pair of 1.5 mm² supports temperature sensors or holding-brake power. A flexible PUR outer jacket resists cutting oils and weld spatter and is classified for drag-chain travel. Despite these reinforcements the cable maintains a diameter of 18.5 mm, helping installers route multiple axes through narrow e-chain cavities. Termination is factory-molded with the RLS0723/K06 plug on the controller side and the RLS1301/C06 angled receptacle at the motor end, matching Rexroth MSK and MAD device families.
The mechanical endurance of the assembly is rated for 5 million bending cycles when operated within a dynamic radius of 7.5 × D, so the conductor strands and shielding remain intact during high-speed reciprocation. Static installations can relax to a minimum radius of 5 × D without stressing the insulation layers. Over the full cable length the copper cores present a DC resistance of 3.30 Ω/km, a value that limits line losses and assists the drive amplifier in meeting voltage-regulation tolerances. The construction is catalogued under bulk designation INK0604, indicating matched impedance and shielding geometry for synchronous-motor applications that rely on low-noise power delivery.
Frequently Asked Questions about RKL4328:
Q: What is the cable jacket material used on the RKL4328 power cable?
A: The RKL4328 cable features a PUR jacket material, offering resistance to wear and chemicals common in industrial environments.
Q: How many dynamic bending cycles can the RKL4328 cable endure?
A: The RKL4328 power cable is designed to withstand up to 5 million dynamic bending cycles.
Q: What is the power wire cross-section for the Bosch Rexroth Indramat RKL4328 cable?
A: The power wire cross-section of this model is 6.0 mm², supporting efficient power transmission.
Q: What is the dynamic bending radius specified for the RKL4328 power cable?
A: This cable has a dynamic bending radius rated at 7.5 times the diameter.
Q: What connector is used on the motor side of the RKL4328 cable?
A: The RKL4328 features a motor-side connector type RLS1301/C06 for secure connectivity.
