RKL4504 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4504 is part of the RKL Motor Power Cables series and features 4 power conductors of 10.0 mm² each, along with 2 control conductors of 1.0 mm² and 2 auxiliary conductors of 1.5 mm². This cable is drag chain rated, has a PUR jacket in orange (RAL 2003), and supports a voltage rating of 600 VAC for both power and control conductors.
Internal Product Review
The RKL4504 is a Bosch Rexroth Indramat RKL series motor power cable designed for robust industrial use, featuring 4 x 10.0 mm² power conductors and a durable PUR jacket. This cable is drag chain rated and supports up to 600 VAC for both control and power circuits. The combination of flexibility and high voltage tolerance makes it a reliable choice for dynamic automation environments.
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Product Description:
The RKL4504 is a motor power cable manufactured by Bosch Rexroth Indramat within the RKL Motor Power Cables series. It serves as the fixed or dynamic link between a drive controller and a synchronous or asynchronous motor, carrying three-phase power, control, and auxiliary signals in industrial automation equipment. By combining multiple conductor groups under a rugged polyurethane jacket, the cable simplifies installation in control cabinets and on moving axes while maintaining electrical integrity during continuous bending or stationary routing.
Its power core consists of 4 x 10.0 mm² copper conductors that accommodate drive currents for motors up to the medium-power range. Both the power and embedded control circuits are rated for 600 VAC, permitting common supply and feedback voltages without separate cable types. A robust overall diameter of 22.2 mm limits voltage drop over long runs while withstanding mechanical stress in cable chains. Typical line-to-shield capacitance is 1.0 nF/m, a value that influences inverter-side filter design for high switching frequencies. Direct-current loop resistance is specified at 1.91 Ω/km at 20 °C, allowing designers to calculate thermal rise and verify drive protection parameters.
The signal bundle carries two twisted pairs: a control pair sized at 2 x 1.0 mm² for encoder-enable lines and an auxiliary pair of 2 x 1.5 mm² reserved for brake release or temperature sensors. A halogen-free PUR sheath resists oil, coolant, and abrasion, and it is approved for high-cycle drag-chain operation, matching the dynamic axis requirements of pick-and-place gantries. Jacket tint follows RAL 2003 orange for quick identification among other cable groups. When fixed, the conductors tolerate temperatures up to 90 °C, while repetitive motion applications are limited to the flexible rating of 80 °C, ensuring insulation stability throughout the service life.
