Product Description:

The RL2-067KBB belongs to the RL2 Motor Power Cables series from Bosch Rexroth Indramat. It is a flexible power cable intended to link servo drives to their motors, carrying three-phase power and protective conductors in automated machines. In an automation cabinet or moving cable track, this cable supplies regulated drive output to the motor while tolerating continuous mechanical motion. It also allows power and auxiliary circuits to travel together in one cable, which helps reduce the number of separate moving connections on the axis.

The conductor set follows a 4x L + 4x 0.75 mm² layout, so four load conductors run with four smaller auxiliary cores for brake control or temperature sensing. Each load core has a cross-section of 25.0 mm², a size chosen to keep voltage drop and resistive heating low when the drive operates near rated current. Insulation resistance is specified at 20 MΩ/km (min) measured at 20 °C, and this high value limits leakage current while supporting insulation monitoring. The outer sheath is made from PUR (RAL 2003), a polyurethane compound that resists oil and coolant splash while providing orange color for quick visual identification. When installed on moving axes, the cable accepts up to ±30 °/m of torsional rotation, so rotary tables or robots can twist without stressing the cores.

Dynamic routing is supported by a minimum flexing bend radius of 7.5×D, so the loop diameter must be at least 7.5 times the cable’s outside diameter to help avoid conductor fatigue. The cable was engineered for second-generation Indramat servo motors, matching their pin assignment and electrical loading. Its Basic design omits braided armor or feedback pairs, simplifying installation where only power conductors are required. It is classified under the Rexroth Cable product group, which uses standardized connector shells and drive-side gland kits for modular motion-system assembly.