RKL4486 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4486 is part of the RKL Motor Power Cables series and features a total of 8 conductors and an outer diameter of 17.0 mm. It has a PUR jacket in orange, supports 5,000,000 bending cycles, and the power wire cross-section is 4.0 mm².
Internal Product Review
The RKL4486 is a durable motor power cable from Bosch Rexroth Indramat, featuring a PUR matt jacket that is adhesion-free and a distinctive orange color for easy identification. With a power wire cross-section of 4.0 mm² and support for 5,000,000 bending cycles, this cable is engineered for longevity in dynamic applications. The strong design and high bending tolerance make it an excellent choice for demanding industrial environments.
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Product Description:
The Bosch Rexroth Indramat RKL4486 belongs to the RKL Motor Power Cables series and is supplied as a motor power cable for servo-drive installations. It carries three-phase mains, brake, and sensor conductors between the cabinet inverter and the motor terminal box, supporting automated axes that need compact wiring and predictable electrical parameters. Industrial users select this model when quick plug-in replacement and consistent routing characteristics are required in energy-chain or fixed-tray layouts.
The cable contains 8 conductors arranged around a drain wire, and its three-phase power cores each provide a cross-section of 4.0 mm² to handle continuous motor current. Overall diameter is 17.0 mm, giving a slim profile for tight chain compartments while preserving insulation thickness. Distributed capacitance is limited to 0.8 nF/m, which reduces displacement current on long runs, and the copper loop shows a direct resistance of 4.95 Ω/km at 20 °C for voltage-drop calculations. A matt, adhesion-free PUR jacket in RAL 2003 orange resists oil and abrasion inside robot cells. Internal cores for temperature sensors and brake release are isolated from the power set, and the construction aligns with terminal box size 2 on the motor housing.
Mechanical durability is defined by a flex life of 5,000,000 cycles when the dynamic bend radius remains at 7.5 × D; for static routing the radius can be 5 × D without stressing the insulation. Two auxiliary cores of 1.0 mm² and paired signal lines of 1.5 mm² accommodate brake circuits and feedback logic, matching the cable’s dedicated pinout. The PUR sheath maintains elasticity across repeated strokes, and fillers keep the bundle centred so that torsion is minimised during acceleration.
