RKL4766 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4766 is part of the RKL Motor Power Cables series and features a power wire cross-section of 6.0 mm² with a cable construction of 4x6.0mm² plus shielded auxiliary wires. This cable offers flexibility with a bending radius of 5 x D when fixed and 7.5 x D when used flexibly, and it supports up to 5 million bending cycles.
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Product Description:
The RKL4766 motor power cable is produced by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. It is intended to supply three-phase drive power and auxiliary signals between Indramat servo drives and synchronous motors in moving machine axes. By combining main conductors and sensor pairs in a single jacketed assembly, the part simplifies routing inside cable chains and supports dynamic applications such as gantry robots and pick-and-place modules.
Designed for continuous motion, the cable withstands 5 million bending cycles when installed in an articulated carrier. A minimum static bending radius of 5 x D protects the copper cores during fixed routing, while a dynamic radius of 7.5 x D applies when the cable flexes with the axis, preventing conductor fatigue. Electrical losses are limited by a direct-current resistance of 3.30 Ω/km at 20 °C, and signal integrity is aided by a line-to-shield discharge capacitance of 0.8 nF/m that keeps reactive currents low in long runs. These properties allow stable drive operation over extended lengths without overheating or voltage drop.
The internal layout follows the composite bundle 4x6.0 mm²+(2x1.0 mm²)StC+(2x1.5 mm²)StC, so four 6 mm² power cores sit beside shielded control pairs for temperature or brake circuits. A sheath of PUR (adhesion-free, matte) resists coolants and abrasion, and its high-visibility RAL 2003 (orange) color marks the run as energized power wiring. When supported in a drag chain the assembly can travel at up to 5 m/s without exceeding mechanical limits. The 6 mm² power cross-section matches the continuous current demand of medium-frame Indramat motors while keeping cable size compatible with standard hybrid connectors.
Frequently Asked Questions about RKL4766:
Q: How many bending cycles can the RKL4766 motor power cable endure?
A: The RKL4766 power cable can withstand up to 5 million bending cycles for reliable operation in continuously moving applications.
Q: What is the minimum bending radius of the RKL4766 cable for fixed installations?
A: The minimum bending radius for fixed installation is 5 times the cable diameter, minimizing stress on the cable during installation.
Q: What is the jacket material and color of the RKL4766 power cable?
A: The jacket on the RKL4766 cable is made from adhesion-free, matt PUR in RAL 2003 orange color for high visibility and durability.
Q: What is the maximum travel velocity supported by the RKL4766 cable?
A: The RKL4766 cable supports a maximum travel velocity of 5 meters per second, allowing for use in high-speed applications.
Q: What is the power wire cross-section in the RKL4766 power cable?
A: The RKL4766 features a power wire cross-section of 6.0 mm², ensuring adequate current carrying capacity for motor connections.
