RKL4706 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4706 is a power cable from the RKL Motor Power Cables series with an outer diameter of 14.8 mm and a jacket made from PUR in orange RAL 2003. It is designed for drag chain use with 5,000,000 bending cycles and features a plug connector RLS0723 for drive connection and terminal box RLK1201 for motor connection.
Internal Product Review
The RKL4706 is a robust motor power cable from the RKL series, designed for Bosch Rexroth Indramat drives and engineered for drag chain applications with up to 5,000,000 bending cycles. A durable PUR jacket in orange (RAL 2003) and support for temperatures up to 80°C ensure reliable performance in demanding environments. The cable's flexibility and high endurance make it ideal for continuous motion setups.
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Product Description:
The RKL4706 motor power cable is produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It serves as the dedicated power link between Rexroth drive amplifiers and synchronous motors, transferring three-phase energy and protective earth while withstanding the mechanical stress found in automated handling modules, gantries, and packaging lines. By supplying a preterminated assembly matched to the drive and motor interfaces, the manufacturer simplifies installation and ensures that conductor sizing, shielding, and resistance to industrial conditions meet the requirements of automation systems.
The cable section is built from INK0602 bulk stock with three power cores and an integrated safety conductor. A PUR outer jacket in orange (RAL 2003) encloses the bundle, providing chemical resistance and high visibility on the machine frame. The cable has an overall diameter of 14.8 mm, while each phase conductor has a cross-sectional area of 2.5 mm² to limit voltage drop over standard servo cable lengths. The insulation supports continuous conductor temperatures up to 80 °C, allowing the cable to carry its rated motor current without premature aging. Its smooth, cut-resistant sheath also helps minimize mechanical abrasion during installation and operation.
The flex-rated construction supports 5,000,000 bending cycles in energy-chain applications. During continuous travel, the cable may curve to a minimum bend radius of 7.5 × D, while stationary cabinet routing permits a tighter 5 × D bend without stressing the conductors. One end has a drive-side RLS0723 plug connector, and the opposite end is prepared for connection to the motor-side RLK1201 terminal box. The cable is suitable for drag-chain use and resists the torsional and longitudinal forces commonly encountered in multi-axis robots and transfer systems. Its flexible construction helps preserve the conductor arrangement as the cable travels repeatedly through moving equipment.
