RL2-541CBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RL2-541CBB is a basic design motor power cable from the RL2 Motor Power Cables series. It features a PUR jacket, 4 power conductors of 1.0 mm² each, and supports up to 5,000,000 bending cycles with a dynamic bending radius of 7.5xD. The cable has a rated power voltage of 600/1000 V and uses an M40 motor connector.
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Product Description:
The RL2-541CBB is a motor power and feedback cable assembled by Bosch Rexroth Indramat for the RL2 Motor Power Cables series. Intended for second-generation drive packages, the cable routes three-phase power and low-level sensor signals between a drive controller and its associated servo motor. Its design supports moving machine axes where continuous flexing is expected while maintaining electromagnetic compatibility, making it an essential interconnect in automated machining centers, material-handling gantries, and other industrial motion systems.
The power cores use a 4 × 1.0 mm² configuration that allows the cable to carry motor phase currents at a rated voltage of 600/1000 V. The shielded auxiliary conductors are rated for 450/750 V and accommodate encoder or temperature channels. To withstand repetitive machine cycles, the cable endures 5,000,000 flex cycles and maintains conductor integrity when bent to a dynamic radius of 7.5 × D. Its Basic cable design combines tinned copper strands with tight stranding pitches to reduce micro-kinking during repeated movement. A concentric conductor arrangement helps keep impedance stable during motion so drive diagnostics remain consistent during rapid spindle acceleration.
Signal quality is protected by a leakage capacitance of 0.4 nF/m, which limits reactive current between the power cores and feedback pairs over long cable runs. The orange PUR jacket in RAL 2003 resists cutting oils and abrasion encountered around industrial machinery. The cable has an outer diameter of 12.0 mm and supports a static bend radius of 5 × D in stationary routing. Its conductor insulation tolerates temperatures up to 90 °C in fixed routing. During dynamic motion, the conductor temperature can reach 80 °C. An M40 straight plug terminates the motor end of the assembly, while the 2 × (2 × 0.75 mm²) signal arrangement carries the required low-level feedback and temperature signals.
