RKH0421 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKH0421 is a hybrid ready-made cable from the RKH Hybrid Cables series. This basic cable model uses connectors RHS0008 and RHS0021, and supports up to 5,000,000 bending cycles with a dynamic bending radius of 8xD. It is built to operate and be stored in temperatures ranging from -40 to 80 degrees Celsius.
Internal Product Review
The RKH0421 hybrid cable from Bosch Rexroth Indramat is a ready-made solution equipped with RHS0008 and RHS0021 connectors, designed for efficient plug-and-play integration. It handles up to 5,000,000 bending cycles and supports a dynamic bending radius of 8xD, making it ideal for demanding motion applications. The cable's robust temperature tolerance from -40 to 80°C ensures consistent performance in challenging industrial environments.
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Product Description:
The RKH0421 hybrid cable is produced by Bosch Rexroth Indramat within the RKH Hybrid Cables series. This component merges power supply conductors with data lines in a single sheath so that drives and servomotors can be linked quickly in industrial automation cells. By delivering both energy and feedback channels through one flexible assembly, the cable reduces routing space inside machine frames and helps maintain deterministic signal quality in dynamic axes.
Mechanically, the cable is specified as the Basic model and is qualified for 5,000,000 flex cycles in continuous chain applications. It may be laid with a dynamic bend radius of 8xD during motion and held at a static radius of 4xD when fixed, which governs minimum loop diameters in energy chains and junction boxes. Service temperatures span -40 to 80 °C, permitting cold-start and high-ambient operation, while identical storage limits protect insulation during warehousing. These limits allow the Basic jacket to retain dielectric strength and outer-sheath integrity under thermal and mechanical stress.
System integration is simplified because the assembly is delivered as a Ready-Made harness, factory terminated on one end with a RHS0008 connector and on the opposite end with a RHS0021 plug. This configuration matches the interface requirements of motor side and drive cabinet side respectively, removing the need for onsite crimping. Classified as a Hybrid Cable, it carries power cores, signal pairs and protective earth within the REH0803 raw cable structure, so only one run is required between components. The choice of this preassembled link reduces installation time, ensures correct pinout, and complements the mechanical and thermal ratings discussed above.
