RKL4532 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4532 is part of the RKL Motor Power Cables series and features a cable construction of 4x4.0mm² with control wires and PUR matte jacket. This cable uses INK0603 bulk cable type, has an outer diameter of 17.0 mm, and supports drag chain use.
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Product Description:
The RKL4532 motor power cable is produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. As a preassembled cable set, it delivers drive output power and auxiliary control signals from an IndraDrive inverter to a synchronous motor, enabling precise positioning and torque regulation in automated machinery. The assembly routes high-current conductors and signal pairs through a single shielded jacket, reducing installation time and keeping panel wiring orderly in production lines and material-handling systems.
The cable uses the INK0603 bulk designation for its conductor stranding, insulation thickness, and overall shield. Each phase core and the protective earth conductor have a 4.0 mm² copper cross section, keeping voltage drop low on long machine axes. Loop resistance is 4.95 Ω/km at 20 °C, so thermal rise stays moderate under continuous load. A capacitance of 0.8 nF/m helps limit reactive current during rapid drive switching. The finished diameter of 17.0 mm permits a tight bend radius while providing sufficient wall strength for drag-chain cycles. The composite layout consists of four 4.0 mm² conductors, a shielded pair of 1.0 mm² conductors, and a shielded pair of 1.5 mm² conductors. This arrangement provides separately shielded signal pairs for brake or temperature channels while preserving the three-phase and protective earth power topology.
The cable terminates with an INS0482/C04 motor plug, eliminating the need to assemble the connection at the installation site. Pins 5 and 6 carry diagnostic signals through a 1.0 mm² conductor pair, while pins 7 and 8 use a 1.5 mm² conductor pair sized for brake actuation. Foil shields around both pairs connect to the main shield to maintain signal integrity and reduce interference from the adjacent power conductors. An abrasion-resistant PUR (adhesion-free, matte) jacket resists oil and coolant while sliding easily through cable carriers. The cable is rated for continuous drag-chain duty. Its conductor lay length and jacket elasticity support repeated flexing without damaging the internal conductors.
