RKL4572 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4572 is part of the RKL Motor Power Cables series and features a cable construction of 4x16 mm² plus 2x(2x1.5 mm²) with four power conductors. It has a PUR jacket in RAL 2003 color, an outer diameter of 25.5 mm, and a conductor resistance for power of 1.21 Ω/km. The cable supports a maximum wire temperature of 90 °C when fixed and 80 °C when flexible.
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Product Description:
The RKL4572 cable is produced by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. Intended to link Indramat drives to synchronous or induction motors, the assembly carries motor phase power and integrated control pairs inside one jacket, simplifying routing in automated machinery and reducing panel congestion.
The core of the cable follows a 4x16 mm² + 2x(2x1.5 mm²) StC layout, so four equal power conductors share space with two twisted control pairs. Each phase conductor has a cross-section of 16.0 mm², limiting voltage drop under high current peaks. Copper resistance is specified at 1.21 Ω/km, a value that helps calculate thermal rise in long-run installations. Between conductors and the composite PUR jacket, the design exhibits a discharge capacitance of 1.2 nF/m, an important figure when sizing inverter-side output filters. Overall diameter reaches 25.5 mm, which determines gland and conduit selections in control cabinets.
The fixed installation temperature ceiling is 90 °C, while moving applications must stay below 80 °C to protect insulation integrity. For rigid mounting the bend radius may be reduced to 5 x D; dynamic drag-chain routing requires a more generous 7.5 x D. These mechanical limits, together with the matte orange PUR sheath in RAL 2003, support high-cycle operation where oil resistance, abrasion tolerance, and visibility are mandatory in industrial environments.
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Frequently Asked Questions about RKL4572:
Q: What is the conductor and control wire configuration of the RKL4572 power cable?
A: The cable construction consists of 4 conductors each 16 mm² and two pairs of 1.5 mm² control wires, arranged as StC.
Q: What is the power conductor resistance of the Bosch Rexroth RKL4572 cable?
A: The power conductor resistance is specified as 1.21 Ω per kilometer for this cable.
Q: What type of outer jacket material is used on the RKL4572 cable?
A: The RKL4572 uses a PUR jacket that is adhesion-free and matte in finish.
Q: What is the maximum allowable wire temperature for the RKL4572 cable in fixed and flexible installations?
A: The RKL4572 cable has a maximum wire temperature of 90 °C when installed in a fixed position and 80 °C when flexible.
Q: What are the minimum bend radius requirements for the RKL4572 cable in both fixed and flexible applications?
A: The minimum bend radius is 5 times the cable diameter for fixed installations and 7.5 times the diameter when flexible.
