RKL0061 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL0061 is part of the RKL Motor Power Cables series and features power conductors of 3 plus PE at 6.0 mm², as well as auxiliary conductors measuring 2 x 1.5 mm². The cable has a PUR jacket, a diameter of 18.5 mm, and a bending radius of 5 times the diameter when fixed or 7.5 times when flexible.
Internal Product Review
The RKL0061 from the RKL Motor Power Cables series by Bosch Rexroth Indramat is a robust motor power cable featuring 3 + PE power conductors at 6.0 mm² and 2 x 1.5 mm² auxiliary conductors, ensuring reliable power transmission. With a PUR jacket that is adhesion-free and matte, this cable is well-suited for demanding industrial environments. The design allows for flexible installation and sustained operation at elevated wire temperatures, making it a dependable choice for motion applications.
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Product Description:
The RKL0061 motor power cable is produced by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. It supplies three-phase power and protective grounding to IndraDrive and similar servo motors in automated handling cells, machine tools, and packaging lines. The cable also carries auxiliary signals between the drive and motor, reducing the number of separate connections required along the machine route.
The cable measures 18.5 mm across its jacket, which determines suitable cable-gland sizes and the space required inside a drag chain. Its power core contains 3 + PE (6.0 mm²) stranded copper conductors in a composite bundle with a 4 × 6.0 mm² + (2 × 1.0 mm²)StC + (2 × 1.5 mm²)StC layout. Two shielded control conductors with a cross section of 2 × 1.0 mm² run beside the power core and can carry encoder or brake-release signals. For fixed installations, the cable can be bent to a minimum radius of 5 × D. Continuously moving installations require a minimum bending radius of 7.5 × D to limit mechanical stress on the conductors and insulation. The matte, adhesion-free PUR outer jacket resists oil and coolant splashes while moving smoothly through energy-chain carriers. Line-to-shield discharge capacitance is 0.8 nF/m, helping control electrical interference over extended cable runs.
Supplementary circuits use 2 × 1.5 mm² auxiliary conductors that share the overall foil shield, providing low-noise connections for thermal sensors or holding brakes. The copper conductors have a resistance of 3.30 Ω/km, which limits voltage drop when the drive and motor are separated by several meters. Static routing permits continuous conductor temperatures up to +90 °C. Moving cable sections support continuous conductor temperatures up to +80 °C, accounting for the added mechanical stress created by repeated flexing. These temperature limits apply to the PUR insulation system and allow the cable to operate without auxiliary cooling in fixed enclosures or mobile energy-chain routes.
