RLC1-126ECB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RLC1-126ECB is part of the RLC1 Motor Power Cables series and supports a cable cross section of 2.5 mm². Designed for direct drive connection to IndraDrive controllers and compatible with ML3 motors, it features an M23 double clamping electrical connection. The cable offers a dynamic bending radius of 7.5 times the cable diameter and is rated for 5,000,000 bending cycles.
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Product Description:
The RLC1-126ECB motor power cable is manufactured by Bosch Rexroth Indramat and belongs to the RLC1 Motor Power Cables series. It serves as the power link between an IndraDrive amplifier and an ML3 servo motor inside industrial automation cells. By routing three-phase supply lines and protective grounding in a single shielded jacket, the assembly transfers drive output current while maintaining electromagnetic compatibility with surrounding sensors and controls. Its mechanical layout permits installation in energy chains that move with gantries, pick-and-place axes, and other cyclic motion devices.
Its conductor gauge is 2.5 mm², providing current-carrying capacity suitable for mid-range ML3 motor ratings while limiting voltage drop over typical machine lengths. During fixed routing, the cable may be bent to a minimum radius of 5 × D, so cabinet terminations and other stationary installations can accommodate tight turns without compressing the insulation. When the application requires constant flexing, the minimum dynamic bending radius increases to 7.5 × D to help prevent copper strand fatigue. The cable has a service life of 5,000,000 flex cycles, supporting production equipment in which cable carriers travel short strokes at high frequency. The motor-side termination uses an M23 connector with double clamping, which provides strain relief and vibration resistance for secure phase and protective grounding connections.
The cable uses the Basic layout within the RLC1 family, with shielding, jacket material, and strand construction suited to standard machine-tool environments rather than chemical or weld-spatter zones. A direct drive connection allows the assembly to connect the controller directly to the motor without intermediate junction boxes, reducing the number of connection points and avoiding additional conductor length. Its electrical parameters are compatible with the IndraDrive control platform, allowing the drive’s thermal monitoring and short-circuit detection functions to operate with the cable’s lead impedance. The cable’s dimensions, pinout, and electromagnetic compatibility characteristics are matched to ML3 linear motors. This connection arrangement supports the delivery of motor current during rapid acceleration and repeated axis movement.
