RKL4477 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4477 is a power cable from the RKL Motor Power Cables series. It features a PUR jacket material and an outer diameter of 36.8 mm. The cable supports a power wire voltage rating of 600 V AC and includes control conductors sized at 4x2.5 mm².
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Product Description:
The RKL4477 is a flexible motor-to-drive cable manufactured by Bosch Rexroth Indramat for applications covered by the RKL Motor Power Cables series. It combines power and auxiliary pairs inside a torsion-resistant construction so that automated handling systems, gantry stages, and multi-axis robots can route one assembly instead of separate conductors. The cable supplies phase energy, brake supply, and feedback signals over repeated bending cycles, which reduces installation time and keeps cabinet wiring orderly in industrial automation lines.
An outer diameter of 36.8 mm defines the minimum carrier radius and simplifies selection of energy-chain brackets. The power cores are rated for 600 V AC, allowing direct connection to IndraDrive mains outputs, while the auxiliary cores carry control potentials up to 300 V AC for brake release or sensor inputs. Copper conductors exhibit a resistance of 0.386 Ω/km; this low value limits I²R losses and assists drives in meeting dynamic torque commands without excess heat. A PUR (adhesion-free, matte) outer jacket offers oil, weld-slag, and microbe resistance, ensuring the sheath remains intact through continuous flex cycles in harsh production areas.
The signal section contains 4x2.5 mm² control conductors, so contactors and holding brakes can be energized without running separate looms. Mechanical data show the cable tolerates accelerations up to 10 m/s² and travel velocities of 5 m/s, making it suitable for high-speed pick-and-place axes or linear motors with rapid strokes. A distributed capacitance of 1.3 nF/m keeps drive switching currents well-defined by limiting reactive charging, which supports stable commutation and reduces EMC emissions when the assembly is installed in long-travel energy chains.
Frequently Asked Questions about RKL4477:
Q: What is the maximum acceleration supported by the RKL4477 motor power cable?
A: The RKL4477 has a max acceleration rating of 10 m/s², allowing rapid motion in dynamic applications.
Q: What kind of jacket material is used on the RKL4477 cable?
A: The RKL4477 features a PUR jacket that is adhesion-free and matte for enhanced cable handling and durability.
Q: What is the conductor resistance per kilometer for the RKL4477 motor power cable?
A: Each power conductor in the RKL4477 has a resistance of 0.386 Ω/km.
Q: What is the voltage rating for the control wires in the RKL4477 cable?
A: The control wires in the RKL4477 are rated for 300 V AC operation.
Q: What is the outer diameter of the RKL4477 cable?
A: The outer diameter of the RKL4477 cable measures 36.8 mm, suitable for installations requiring substantial power and control capacity.
