RKL0026 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL0026 is a power cable from the RKL Motor Power Cables series. It features a PUR jacket in orange (RAL 2003) and an outer diameter of 17 mm. The cable supports a maximum travel velocity of 5 meters per second and is suitable for drag chains with up to 5 million bending cycles.
Internal Product Review
The RKL0026 is a robust motor power cable from the Bosch Rexroth Indramat RKL series, designed for drag chain applications with a 5,000,000 cycle bending life and a dynamic bending radius of 7.5xD. The PUR jacket is adhesion-free and matt, offering reliable protection and easy handling. This cable is ideal for high-acceleration environments and long horizontal travel, making it a strong choice for demanding automation setups.
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Product Description:
The RKL0026 cable is produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series and is intended to deliver three-phase power from a cabinet-mounted drive to moving motors in automated machinery. It is suitable for drag-chain routing, so it can follow linear or gantry axes without compromising conductor integrity during repeated motion. Routing the cable within carriers allows reliable energy transfer to servo or spindle motors while the machine cycles at high speed.
The mechanical life of the cable is rated for 5,000,000 bending cycles in a drag chain, indicating the number of directional reversals it withstands before conductor fatigue becomes critical. A dynamic bending radius of 7.5 × D limits how tightly the carrier can curve when the axis accelerates; respecting this minimum helps prevent stress cracks in the insulation. During rapid indexing, the cable can tolerate accelerations up to 10 m/s², matching the demands of high-performance pick-and-place systems. Its maximum carrier velocity is 5 m/s, so the conductors remain within temperature limits even when axes move continuously at production speed. An outer diameter of 17.0 mm determines gland and carrier cavity requirements and helps prevent overfilling of the chain trough.
For static routing outside the chain, the minimum bend radius is 5 × D, making cabinet terminations easier without creating sharp kinks. Power conductors inside the sheath have a cross-sectional area of 4.0 mm², providing adequate current-carrying capacity for medium-frame servomotors over typical distances. Horizontal travel lengths can extend to 50 m when the carrier is properly supported, accommodating large assembly lines or palletizers. The jacket is molded from RAL 2003 (orange) PUR, a matte, adhesion-free compound that resists oils and weld spatter while remaining flexible at low temperatures.
