RKL4453 Bosch Rexroth Indramat
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The RKL4453 cable is manufactured by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It features 4x6.0 mm² power conductors and 2x1.0 mm² plus 2x1.5 mm² control conductors, with a nominal diameter of 18.5 mm. The cable has a PUR jacket in orange color, supports up to 5,000,000 bending cycles in a drag chain, and offers a wire temperature rating of 90°C fixed and 80°C flexible.
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Product Description:
The RKL4453 motor power cable is supplied by Bosch Rexroth Indramat within the RKL Motor Power Cables series. It is intended for routing between drive controllers and synchronous or induction motors in industrial automation, especially along moving machine axes fitted with drag chains. By combining durable insulation with balanced conductor layout, the cable maintains stable voltage and signal integrity while accommodating continuous mechanical stress found in packaging lines, assembly robots, and material-handling modules.
Mechanical endurance is defined by a drag-chain rating of 5,000,000 bending cycles, so the cable can travel repeatedly without conductor fatigue. During installation, a minimum static bend of 5 x D is allowed, while dynamic motion requires a radius of 7.5 x D; these limits protect the copper strands and the insulation bond. The nominal outer diameter of 18.5 mm permits compact routing through channel ducts yet still leaves space for screening and fillers that suppress crosstalk. Electrical behaviour is shaped by distributed capacitance of 0.8 nF/m, a value low enough to minimise reactive current and maintain drive feedback accuracy over extended lengths.
DC losses are moderated by a conductor resistance of 3.30 Ohm/km, enabling efficient power delivery to servo windings. The main three-phase feed uses 4x6.0 mm² copper cores, while two 1.0 mm² and two 1.5 mm² auxiliary pairs carry control and brake signals needed by the drive. Continuous service temperatures reach 90 C in fixed routing and 80 °C in flexing sections, so thermal derating is rarely required inside machine enclosures. An outer sheath of PUR, finished in orange RAL 2003, resists oil, coolant splash, and weld spatter without sticking to adjacent cables or carrier links.
Frequently Asked Questions about RKL4453:
Q: Is the Bosch Rexroth Indramat RKL4453 suitable for use in drag chain systems?
A: The RKL4453 cable is compatible with drag chain applications, allowing for high mechanical flexing and movement.
Q: How many bending cycles can the RKL4453 endure in a drag chain application?
A: This cable supports up to 5,000,000 bending cycles when used in a drag chain.
Q: What type of jacket material is used on the RKL4453 cable from Bosch Rexroth Indramat?
A: The RKL4453 features a PUR jacket that is adhesion-free and matte finished.
Q: What is the size and quantity of the power conductors in the RKL4453 cable?
A: The power conductors in this cable are sized at 4x6.0 mm², suitable for robust power transmission.
Q: What is the nominal cable diameter of the Bosch Rexroth Indramat RKL4453?
A: The nominal diameter of the RKL4453 cable is 18.5 mm, allowing for compatibility with cable management systems.
