RL2-105GBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RL2-105GBB is part of the RL2 Motor Power Cables series and features a basic cable design with a PUR jacket in orange. This cable supports a rated voltage of 600/1000 V for power wires and 450/750 V for signal wires, with a cross section of 6.0 mm² and an outer diameter of 18.2 mm.
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Product Description:
The RL2-105GBB is a motor power cable manufactured by Bosch Rexroth Indramat for the RL2 Motor Power Cables series. As a member of the Rexroth Cable product group, it carries drive output to second-generation IndraDrive and IndraDyn motors while maintaining consistent phase balance and shielding inside automated machinery. The assembly’s orange PUR jacket distinguishes power conductors on the plant floor and provides the resistance to oil and abrasion needed for continuous-motion axes in packaging, printing, and material-handling systems.
The cable uses a basic design with four power conductors and four 0.75 mm² auxiliary cores, keeping the power and auxiliary circuits separate. Each phase conductor has a cross-sectional area of 6.0 mm², allowing current transmission at a power conductor voltage rating of 600/1000 V without overheating. The control cores have a signal voltage rating of 450/750 V, allowing feedback or brake circuits to share the same sheath without insulation conflicts. Cable capacitance is limited to 0.5 nF/m, which reduces reactive current between the drive and motor at high carrier frequencies. Despite the additional shielding, the overall diameter is only 18.2 mm, simplifying routing through standard drag-chain separators. The orange RAL 2003 PUR jacket follows Rexroth color coding and resists cutting fluids encountered in industrial machinery.
The cable is rated for at least 5,000,000 bending cycles when operated in a drag chain. During motion, the minimum bend radius is 7.5 × D, while fixed routing permits a tighter radius of 5 × D without damaging the conductors. The copper strands tolerate temperatures up to 90 °C in fixed routing and 80 °C during flexing. The operating temperature range begins at -30 °C and extends to 80 °C when the cable is clamped, while continuous-flex operation is permitted from -20 °C to 60 °C. These ranges allow the insulation and conductor strands to accommodate the different thermal stresses associated with stationary and continuously moving installations.
