RKL4312 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4312 is a ready-made power cable designed as part of the RKL Motor Power Cables series. This cable features Plug Connector RLS1201 on one end and Plug Connector RLS1202 on the other, with a bending cycle rating of 5,000,000 and supports a temperature range from -30 to 80 degrees Celsius. It offers a dynamic bending radius of 7.5 times the cable diameter and a static bending radius of 5 times.
Internal Product Review
The RKL4312 from the RKL Motor Power Cables series by Bosch Rexroth Indramat is a ready-made power cable featuring plug connectors RLS1201 and RLS1202 for secure and straightforward installation. With a dynamic bending radius of 7.5xD and an impressive 5,000,000 bending cycles, this cable is engineered for long-term durability and flexibility in demanding motion applications. Its strong construction and high bending endurance make it a reliable solution for continuous motion systems.
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Product Description:
The RKL4312 cable is produced by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. It functions as the dedicated power link between a servo drive and its synchronous motor in automated machinery. The assembly is supplied in a predefined length with factory-terminated connectors, allowing power to be routed to moving axes without field crimping. Its consistent conductor geometry and shielding help preserve the drive’s electromagnetic compatibility and support reliable power delivery inside material-handling cells, packaging lines, and general motion systems.
The wiring uses a ready-made configuration, meaning the conductors are cut and jacketed before shipment to eliminate on-site assembly steps. At the drive end, the cable terminates with a plug connector RLS1201, while the motor side uses a plug connector RLS1202; these keyed interfaces help prevent polarity errors during connection. Fixed cabinet runs must maintain a static bending radius of 5 × D, while continuously flexing sections, such as cable chains, require a dynamic bending radius of 7.5 × D. These routing limits reduce mechanical stress on the copper strands when the machine performs repetitive strokes or wide-angle movements.
The cable has a service life of 5,000,000 bending cycles, supporting repeated motion during high-duty production. The assembly is a power cable that carries motor phase conductors and protective earth, while encoder feedback is handled by separate lines. Safe operation and storage are permitted from -30 °C to 80 °C, allowing the cable to remain in unheated storage areas or operate inside warm control enclosures without changes to its material properties. The factory-applied jacket protects the internal conductors during routing and repeated movement, while the terminated ends provide secure connections at the drive and motor interfaces.
