RKL4457 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4457 is part of the RKL Motor Power Cables series and has a cable diameter of 29.8 mm. It features a PUR jacket that is adhesion-free and matte, with a power wire cross-section of 25.0 mm² and control wire cross-section of 1.5 mm². The cable supports drag chain use with up to 5,000,000 bending cycles and a maximum travel velocity of 5 m/s.
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Product Description:
The RKL4457 motor power cable is manufactured by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It is intended to connect servo drives to moving motors in automated cells, supplying mains current and auxiliary cores while withstanding repetitive flexing inside drag-chain guides of packaging, woodworking, and assembly machines. By integrating high-strand copper conductors with an abrasion-resistant jacket, the assembly ensures reliable power delivery over dynamic axes.
Mechanical service life is defined by 5,000,000 bending cycles, enabling long deployment in high-duty loops. The three power cores each feature a cross-section of 25.0 mm², providing adequate ampacity for medium-frame servomotors without excessive voltage drop. Overall cable diameter measures 29.8 mm, a dimension that fits common energy-chain separators while still allowing tight bend radii. Continuous motion at up to 5 m/s is permitted when the installation follows the stated minimum radius, and certified drag-chain use means the jacket and fillers resist torsion and abrasion associated with rapid axis travel.
Electrical behavior is optimized through a conductor resistance of 0.78 Ω/km, limiting I²R losses over long machine runs. The integrated signalling pair uses a 1.5 mm² cross-section so drive-enable or brake signals remain immune to noise from adjacent power cores. Low mutual coupling yields a discharge capacitance of 1.1 nF/m, reducing reactive current drawn by the inverter at high switching frequencies. A smooth, adhesion-free sheath of PUR resists oils and welding spatter, maintaining flexibility and surface integrity throughout rapid accelerations.
Wake Industrial stocks this cable and can arrange same-day shipping when production schedules are tight. Every purchase is backed by a 1-year warranty that covers workmanship and material defects. For questions on type codes or wiring data, customers may use the free chat tool to reach a representative.
Frequently Asked Questions about RKL4457:
Q: What is the maximum number of bending cycles supported by the RKL4457 cable?
A: The RKL4457 cable supports up to 5,000,000 bending cycles, making it suitable for demanding motion applications.
Q: What is the cable diameter of the Bosch Rexroth Indramat RKL4457?
A: This cable features a diameter of 29.8 mm, providing substantial conductor and insulation layers for durability.
Q: What is the power conductor resistance of the RKL4457 cable?
A: The conductor resistance for power transmission is rated at 0.78 Ohm per kilometer for the RKL4457.
Q: Can the RKL4457 cable be used in drag chain systems for moving machinery?
A: The RKL4457 cable is suitable for drag chain use, enabling reliable performance in dynamic applications.
Q: What material is used for the jacket of the RKL4457 cable and what are its attributes?
A: The outer jacket of the RKL4457 is made of PUR, which is adhesion-free with a matt finish for abrasion resistance and easy handling.
