RKL4576 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4576 is part of the RKL Motor Power Cables series and features a cable outside diameter of 25.5 mm. It has four control conductors with a 1.5 mm² cross section and a power wire cross section of 16.0 mm². The cable's jacket is made from PUR in orange and is suitable for drag chain use.
Internal Product Review
The RKL4576 is a durable motor power cable from Bosch Rexroth Indramat, featuring a durable PUR jacket and an outside diameter suited for high-demand industrial environments. With four control conductors and a power wire cross section of 16.0 mm², this cable supports reliable power transmission and signal control. Its drag chain compatibility and flexible bending radius make it a top choice for dynamic automation setups.
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Product Description:
Bosch Rexroth Indramat manufactures the RKL4576 cable as part of the RKL Motor Power Cables series. The assembly combines power and control cores in a single jacket so that servo drives can connect to synchronous motors without separate looms inside automated machinery. By integrating power delivery with auxiliary sensor conductors, the cable supports coordinated motion sequences and reduces panel wiring time on factory lines. Installation follows standardized pinouts used across the IndraDrive platform.
The cable diameter is 25.5 mm, providing enough cross-sectional area to house separate power and signal bundles while still fitting common strain-relief glands. Three-phase power is carried by copper conductors with a cross-sectional area of 16.0 mm², allowing them to handle high motor currents with limited voltage drop. The four dedicated control cores support brake release, temperature sensing, or encoder reference lines. Each auxiliary wire has a cross-sectional area of 1.5 mm², balancing flexibility with signal integrity. The cable’s distributed capacitance is 1.2 nF/m, which limits reactive current at inverter switching frequencies. Long cable runs remain efficient because the loop resistance is only 1.21 Ω/km at 20 °C.
The cable is rated for continuous drag-chain motion, and its matte, adhesion-free polyurethane jacket resists abrasion during repeated movement. When fixed inside a cabinet, the cable may be routed with a minimum bend radius of 5 × D; during dynamic travel, the minimum bend radius changes to 7.5 × D to prevent conductor fatigue. The outer sheath is colored RAL 2003 (orange), making the cable easy to identify on the plant floor. Its polyurethane construction also helps the jacket move through cable carriers without sticking to adjacent surfaces.
