RL2-563LBB by Bosch Rexroth Indramat

Bosch Rexroth Indramat manufactures the RL2 Motor Power Cables series, and the RL2-563LBB model in that series serves as the power link between a drive controller and its mating servo motor within automated machinery. The cable routes three-phase supply energy together with auxiliary control cores in one assembly, reducing separate wiring runs and keeping electrical parameters consistent across installations that use second-generation Rexroth motors. This layout keeps motor power and auxiliary circuits in a single cable, which helps maintain compact routing inside cabinets and along machine frames.

The core arrangement follows the designation 4x L + 4x 0.75 mm², meaning four load conductors carry the main current while four 0.75 mm² auxiliaries are used for control circuits or thermal sensors. Each load conductor offers a cross-section of 35.0 mm², which helps limit voltage drop and supports high continuous motor currents over extended lengths. An outer jacket made of PUR provides abrasion resistance and protects the insulation from oils and coolants encountered in machine tools or process lines. When fixed in place, the copper can reach 90 °C without exceeding insulation class limits. In continuous flex applications, the conductor temperature must stay below 80 °C to reduce premature aging of the dielectric layers.

The overall construction is classified as Basic, indicating that the cable has the standard power and auxiliary bundle without additional shielding or integrated brake conductors. Quick visual identification is possible because the sheath is colored Orange (RAL 2003), which follows common motor power cable color conventions. The auxiliary cores allow one assembly to carry support signals without requiring a separate companion cable in many motor installations. RL2-563LBB is matched to the 2nd motor generation used by Rexroth, aligning conductor sizing and connector pinouts with that platform. It is grouped under Rexroth Cable, which places it in the manufacturer's cable range for drive-system connections.