RKB0038 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKB0038 is part of the RKB Control Cables series and features M12 connectors on both ends. This cable is rated for up to five million bending cycles and supports a dynamic bending radius of 7.5 times the cable diameter. Its operating temperature ranges from -30 to 80 degrees Celsius, with a static bending radius of 5 times the diameter.
Internal Product Review
The RKB0038 from the RKB Control Cables series by Bosch Rexroth Indramat is a high-performance control cable featuring M12 connectors on both ends. Designed for flexibility, it supports up to 5,000,000 bending cycles and operates reliably between -30°C and 80°C. This cable is well-suited for demanding automation environments where longevity and temperature tolerance are essential.
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Product Description:
The RKB0038 control cable is produced by Bosch Rexroth Indramat for the RKB Control Cables series. It provides a flexible signal path between drive controllers and peripheral devices, carrying encoder, sensor, and low-power actuator signals while moving with machine elements. This makes it suitable for gantry axes, palletizing robots, and other automated equipment where repeated motion can place constant stress on the cable jacket and internal conductors. Its combination of shielding, flexibility, and durable insulation supports reliable signal transmission in industrial environments with frequent mechanical movement.
Each end of the cable uses an M12 connector, so the assembly has matching terminations on both sides. The conductor bundle is rated for 5,000,000 bending cycles, allowing the cable to handle continuous movement in cable chains and other dynamic routing paths. During operation, the minimum dynamic bend radius is 7.5 × D, which helps reduce internal strand fatigue when the cable flexes under acceleration and repeated travel. For fixed sections of an installation, the static bend radius is 5 × D, allowing tighter routing while still limiting stress on the insulation and shielding layers.
In service, the cable remains pliable from -30 °C to 80 °C, which supports use in cold areas as well as near moderate heat sources. During storage, the same lower limit applies, while the maximum storage temperature is 40 °C to help limit long-term aging of the polymer jacket. These temperature limits help preserve flexibility, insulation performance, and general handling characteristics during installation, operation, and storage. The result is a control cable that can be routed through moving machine sections without unnecessary stiffness at low temperatures or premature jacket stress at elevated temperatures.
