RKL4637 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4637 is a ready-made power cable from the RKL Motor Power Cables series. This basic model features ferrules and a ring terminal on one end and a plug connector RLS0724 on the other. It is designed for up to 5,000,000 bending cycles, supports dynamic bending radii of 7.5 times cable diameter, and operates between -30 to 80 degrees Celsius.
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Product Description:
The RKL4637 is a factory-terminated motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It connects IndraDrive power stages to Rexroth synchronous motors, delivering three-phase energy and protective earth while tolerating continuous flexing in cable chains and robot wrists. By arriving pre-assembled, the cable shortens installation time and avoids wiring errors. Its construction supports safe routing in packaging lines, pick-and-place gantries, and transfer stations where fast axis movement and tight radii are routine on busy shop floors.
The mechanical fatigue limit is 5,000,000 bending cycles, indicating the conductors, shielding, and jacket can flex this count without cracks or breaks. When the cable travels in an energy chain, the dynamic bend must stay above 7.5xD; keeping this radius prevents copper work-hardening and signal loss. For fixed routing inside a cabinet, the minimum bend shrinks to 5xD because no cyclic stress is present. Thermal endurance reaches 80 °C, allowing operation near warm motors, while the −30 °C lower limit keeps the sheath supple during cold storage or outdoor installation.
The conductor set uses the series’ Basic build, combining fine-stranded copper, PVC insulation, and a braided shield for general EMC compliance. As a Ready-Made assembly, each length is high-pot tested and can be installed without crimping. The specified variant is a Power Cable, so no encoder pairs are present, simplifying routing alongside separate feedback lines. Motor termination relies on Ferrules and Ring Terminal hardware that fits the clamp blocks on Rexroth motors, while the drive end carries the keyed Plug Connector RLS0724 for rapid connection to IndraDrive modules.
Frequently Asked Questions about RKL4637:
Q: What is the dynamic bending radius specification for the RKL4637 power cable?
A: The RKL4637 features a dynamic bending radius of 7.5 times the diameter for flexible installations.
Q: How many bending cycles can the RKL4637 cable withstand during use?
A: This cable is rated for up to 5,000,000 bending cycles, making it suitable for applications with frequent motion.
Q: What type of connector is provided at one end of the RKL4637 cable?
A: The RKL4637 has a plug connector RLS0724 on one end, enabling easy connection to compatible devices.
Q: What are the operating temperature limits for the RKL4637 power cable?
A: This cable can operate in temperatures as low as -30 °C and as high as 80 °C.
Q: What is the assembly type of the RKL4637 cable from Bosch Rexroth Indramat?
A: The RKL4637 is supplied in a ready-made configuration, saving time during setup and installation.
