RKL4779 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4779 is part of the RKL Motor Power Cables series and features a core configuration of 4x35 mm² plus 4x1.5 mm². This cable has a PUR jacket in RAL 2003 orange, an outer diameter of 30.8 mm, and supports five million bending cycles. The auxiliary wire cross-section is 1.5 mm², and the conductor resistance at 20 °C is 0.554 Ohm/km.
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Product Description:
The RKL4779 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. Designed for dynamic cable‐chain installations, it conveys three-phase power and auxiliary signals between drives and motors, ensuring reliable transmission in robotic arms, gantry axes, and other motion-control equipment found across industrial automation cells.
The power conductors feature a cross-section of 35.0 mm², while the auxiliary cores are sized at 1.5 mm²; together they follow the composite layout 4x35 mm² + 4x1.5 mm² that simplifies parallel routing of motor temperature or brake leads. An overall diameter of 30.8 mm balances ampacity with flex performance, and the PUR outer sheath resists cutting fluids, abrasion, and weld splatter. During operation the cable may flex to the dynamic bending radius of 7.5xD, making it suitable for high-speed carriers. Color coding is retained through a RAL 2003 orange jacket to meet machine-safety visibility requirements, and a static bend allowance of 5xD supports fixed routing inside cabinets.
Mechanical endurance is proven by a flex life of 5,000,000 cycles, so maintenance intervals can align with long machine uptimes. Copper conductors exhibit a resistance of 0.554 Ohm/km at 20 °C, limiting thermal rise under full-load current, and the cable’s low dielectric value yields a discharge capacity of 1.2 nF/m to minimise capacitive reactive currents in long runs. A PUR sheath combined with a dynamic core stranding technique helps the product meet these electrical and mechanical figures without additional conduit protection.
Wake Industrial can arrange same-day shipping for urgent orders, and quotations issued for this cable remain valid for 30 days. A 1-year warranty is included with each purchase, and customers may use the free chat tool for general questions on type codes or specification details.
Frequently Asked Questions about RKL4779:
Q: What is the power wire cross-section of the RKL4779 motor power cable?
A: The RKL4779 cable has a power wire cross-section of 35.0 mm².
Q: How many bending cycles is the RKL4779 cable rated for in dynamic use?
A: It is designed for 5,000,000 dynamic bending cycles, supporting use in highly flexible applications.
Q: What is the jacket material of the RKL4779 cable and what property does it offer?
A: The RKL4779 uses a jacket made from PUR material, providing durability and chemical resistance.
Q: What is the conductor resistance of the RKL4779 cable at 20 °C?
A: The conductor resistance is specified as 0.554 Ohm/km at 20 °C.
Q: What is the jacket color of the Bosch Rexroth Indramat RKL4779 cable?
A: This cable is orange, matching the RAL 2003 color standard for easy identification.
