RKL4558 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4558 is part of the RKL Motor Power Cables series and has an overall diameter of 17.0 mm. This cable supports up to 5 million bending cycles, with a bending radius of 5 times the diameter when fixed and 7.5 times the diameter when flexible. It features a PUR jacket in RAL 2003 orange and a maximum wire temperature of 90 °C for fixed installations.
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Product Description:
The RKL4558 motor power cable is supplied by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. Intended for connecting drive amplifiers to moving motors, the product routes three-phase power and low-level control lines through a single assembly, simplifying installation in gantry systems and packaging machines. Finely stranded copper conductors, a pressure-extruded insulation system, and a flex-oriented shielding package allow the cable to endure repetitive motion in energy chains without interrupting continuous electrical service to automation axes. This layout also helps keep moving cable runs compact where several machine connections must travel together along the same path.
The cable’s service life in motion is rated for 5 million bending cycles, and it can be installed in stationary runs with a minimum bend radius of 5 x D; during dynamic routing, the minimum radius is 7.5 x D. Power conductors exhibit a resistance of 4.95 Ω/km at 20 °C, limiting I²R losses over long runs, while the pair-shielded geometry gives a mutual capacitance of 0.8 nF/m that keeps reactive current low at typical servo switching frequencies. Two 1.0 mm² and two 1.5 mm² auxiliary cores are integrated for brakes or thermal sensors, reducing the need for separate auxiliary wiring and helping the cable flex uniformly along the drag-chain path.
A polyurethane outer jacket rated to 90 °C in fixed routing and 80 °C under continuous flexing protects the conductors from cutting oils and weld spatter. The overall diameter is 17.0 mm, and each phase conductor provides a cross-section of 4.0 mm² to match the current demands of mid-frame synchronous motors. The matte, adhesion-free PUR sheath in RAL 2003 orange resists sticking in bundled installations, and its smooth surface helps the cable move more freely through guides and separators.
Frequently Asked Questions about RKL4558:
Q: How many bending cycles can the RKL4558 cable withstand?
A: The RKL4558 power cable is rated for up to 5 million bending cycles.
Q: What jacket material is used on the RKL4558 cable?
A: This cable features a jacket made of PUR material which is adhesion-free and has a matte finish.
Q: What is the conductor resistance of the RKL4558 at 20°C?
A: The conductor resistance at 20°C for the RKL4558 is 4.95 Ω/km.
Q: What is the power wire cross section size of the RKL4558 cable?
A: The power wire in the RKL4558 has a cross section of 4.0 mm².
Q: What is the jacket color of the RKL4558 power cable?
A: The outer jacket color for the RKL4558 cable is orange (RAL 2003).
