RLC1-126BGB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RLC1-126BGB is a power cable from the RLC1 Motor Power Cables series with a 4-conductor design and a cross-section of 0.75 mm². It supports up to 10.4 Amps and is rated for 5,000,000 bending cycles. The cable uses an M23 motor connector with double clamping and can operate in temperatures ranging from -30 to 40 degrees Celsius.
Internal Product Review
The RLC1-126BGB is a Bosch Rexroth Indramat motor power cable featuring a 4-conductor, 0.75 mm² design for reliable current delivery up to 10.4 A. Its robust construction supports 5,000,000 bending cycles and a dynamic bending radius of 7.5xD, making it ideal for demanding motion applications. Overall, this power cable offers excellent durability and consistent connectivity for motor-drive installations.
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Product Description:
Bosch Rexroth Indramat supplies the RLC1-126BGB within its RLC1 Motor Power Cables series. Classified as a power cable, the model links a motor to its drive so that three-phase power and protective grounding reach the moving axis without signal conductors in the bundle. The cable is intended for cabinet-to-motor runs on machinery that uses cable chains, allowing the drive electronics to remain stationary while the connected tool or carriage travels through its working stroke.
The cable contains 4 copper conductors, each with a cross-sectional area of 0.75 mm², which corresponds to 18 AWG in the American wire gauge system. These conductor dimensions affect electrical resistance and the allowable voltage drop over typical machine cable lengths. When energized, the assembly can continuously carry 10.4 A, meeting the current demand of compact servo motors. During dynamic motion, the jacket can flex to a minimum radius of 7.5 × D, allowing tight routing through drag chains without overstressing the insulation. An M23 double-clamping connector is preinstalled on the motor side, while the free end is prepared for terminals at the drive. This arrangement enables a direct connection without requiring intermediate terminal boxes. The phase conductors and protective grounding conductor follow a straightforward cable arrangement that makes visual inspection easier.
For static installation, the minimum bend radius is 5 × D, reducing mechanical stress when the cable remains stationary. The jacket has a rated service life of 5,000,000 cycles of reciprocal motion, supporting repeated movement in high-duty pick-and-place cells and other automated machinery. The cable remains flexible at temperatures as low as -30 °C during cold starts and up to 40 °C during operation. This temperature range helps maintain the jacket’s flexibility and the insulation’s dielectric performance under common industrial conditions. Because the cable is intended strictly for power transmission, encoder, brake, and sensor circuits must be routed through separate hybrid or feedback cables. Separating these signal circuits from the power conductors can also simplify cable selection and routing within the machine.
