RKL4447 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4447 belongs to the RKL Motor Power Cables series and features 4x6.0 mm² power wires as well as 2x(2x1.5 mm²) auxiliary wires. This cable has a PUR jacket in orange (RAL 2003), a typical capacitance of 0.8 nF per meter, and an outer diameter of 18.5 mm.
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Product Description:
The RKL4447 is a motor power cable manufactured by Bosch Rexroth Indramat within the RKL Motor Power Cables series. Designed for drive systems that rely on tightly coordinated servo axes, the cable carries mains power and low-level feedback lines between IndraDrive converters and synchronous motors. Its construction allows repeated bending in cable chains and drag applications, so it supports continuous operation in industrial automation cells, material-handling gantries, and packaging equipment where secure power delivery and predictable electrical parameters are essential.
Mechanical form factor is defined by an outer diameter of 18.5 mm, allowing the assembly to fit standard energy guides and gland plates without excessive fill. The jacketing is molded from PUR, a thermoplastic elastomer that resists abrasion, coolants, and oils encountered near machining centers. Four power cores specified as 4x6.0 mm² deliver three-phase voltage and protective earth while maintaining ampacity for typical Rexroth servo motors. The typical line-to-line capacitance of 0.8 nF/m limits displacement current and helps drive inverters meet EMC limits over extended runs. A conductor resistance of 3.30 Ω/km describes copper losses at 20 °C and permits voltage-drop calculations when routing the cable through long production lines.
A separate protective earth is paralleled by a phase-equivalent cross-section of 6.0 mm², and signal allocation is expanded through auxiliary pairs rated at 2x(2x1.5 mm²) for brake or temperature channels and control pairs sized at 2x(2x1.0 mm²) for encoder reference or digital enable lines. The distinctive sheath tone of Orange (RAL 2003) provides quick visual identification of power cabling inside mixed cable bundles. RKL4447 is supplied as bulk cable type INK0604 so OEMs can cut and terminate lengths according to cabinet layout while preserving the electrical and mechanical characteristics outlined above.
Frequently Asked Questions about RKL4447:
Q: What jacket material is used on the Bosch Rexroth Indramat RKL4447 cable?
A: The RKL4447 uses a PUR jacket for enhanced durability and protection against environmental factors.
Q: What is the cross-sectional area of the power wires in the RKL4447 cable?
A: The RKL4447 features power wires with a cross-section of 6.0 mm², ensuring efficient power transmission.
Q: What is the outer diameter of the RKL4447 motor power cable?
A: This cable has an outer diameter of 18.5 mm, making it suitable for routing in standard industrial cable trays.
Q: What is the typical capacitance per meter of the RKL4447 cable?
A: The RKL4447 offers a typical capacitance of 0.8 nF per meter.
Q: What configuration do the control wires in the RKL4447 cable have?
A: The control wires consist of 2x(2x1.0 mm²) pairs, providing separate paths for control signals.
