RKL4561 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4561 is a motor power cable from the RKL Motor Power Cables series with an outer diameter of 22.2 mm and a PUR, orange jacket. This cable features 3 power cores plus PE with a cross-section of 10.0 mm², supports drag chain use, and offers a rated voltage of 300/500 V for power cores. It also includes auxiliary cores sized 2x1.0 mm² and 2x1.5 mm².
Internal Product Review
The RKL4561 from the RKL Motor Power Cables series by Bosch Rexroth Indramat is a robust power cable featuring a PUR matte jacket in RAL 2003 orange for enhanced visibility and durability. With a power core cross-section of 10.0 mm² and support for drag chain applications, this cable is well-suited for dynamic industrial environments. Its construction and flexibility ensure reliable performance for demanding motion control systems.
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Product Description:
The RKL4561 is a motor power cable produced by Bosch Rexroth Indramat and distributed within the RKL Motor Power Cables series. Designed specifically for servo-drive environments, the cable delivers three-phase energy and protective earth to synchronous motors while housing separate conductors for control circuits. In industrial automation systems it links cabinet-mounted inverters to moving axes, providing consistent electrical characteristics under both fixed routing and continuously flexed cable-track conditions.
It carries current through power cores with a cross-section of 10.0 mm², a size that limits resistive losses and supports typical medium-power servo loads. The three phase conductors plus PE share a rated system voltage of 300/500 V, while the separate control pair is specified for 300/300 V operation. A line capacitance of 1.0 nF/m helps define the drive’s reactive requirements, and a dc resistance of 1.91 Ω/km at 20 °C indicates copper conductor quality. Mechanical sizing is set by an outer diameter of 22.2 mm; the cable can be installed statically at 5 × D and dynamically in curved carriers down to 7.5 × D, enabling compact routing in panels and drag chains without exceeding manufacturer bend limits.
Two differential feedback or brake circuits are served by auxiliary conductors sized at 2x1.0 mm² + 2x1.5 mm², allowing low-level signals and moderate actuation currents to travel alongside the main phases without separate cabling. For moving-axis service the flexible bend limit of 7.5 × D works with an adhesion-free PUR (adhesion-free, matte) sheath to resist wear inside carriers. The sheath is supplied in the industry-standard safety colour RAL 2003 (orange), supporting quick identification along energy chains. Use in drag-chain applications is affirmed, and the INK0605 bulk construction maintains consistent electrical spacing through the cable bundle.
