RKL4503 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4503 is part of the RKL Motor Power Cables series and supports up to 5,000,000 bending cycles for drag chain use. The cable features 3 power conductors plus PE and 4 control conductors, with a PUR jacket in RAL 2003 orange and an outer diameter of 14.8 mm.
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Product Description:
The RKL4503 motor power cable is produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. This pre-assembled lead connects drive controllers to servo motors, carrying three phase conductors, protective earth, and auxiliary control cores so that motion modules receive consistent power and sensor supply. Within automated machinery it simplifies wiring runs, supports quick replacement, and ensures predictable electrical characteristics essential for repeatable positioning cycles.
Its mechanical rating is tuned for mobile cable tracks. The cable survives 5,000,000 bending cycles without conductor fatigue and is approved for drag-chain use, provided the installation respects a minimum bend of 5 × D in fixed routing and 7.5 × D during continuous motion. Inside the sheath reside 3 + PE finely stranded power cores sized at 2.5 mm², while the feedback path is served by 4 shielded control conductors each of 1.0 mm². This segregation minimises crosstalk when high acceleration events force rapid current changes and keeps motor temperature sensors electrically quiet.
The electrical profile of the cable supports precise current control. A mutual capacitance of 0.7 nF/m limits reactive power at high PWM frequencies, and the copper strands introduce only 7.98 Ohm/km resistance at 20 °C, keeping voltage drop modest on long axis runs. Its PUR jacket, delivered in RAL 2003 orange, adds abrasion resistance while maintaining flexibility, yet the overall diameter remains 14.8 mm, allowing dense bundle routing in machine cavities. The matte, adhesion-free surface also sheds lubricants, preventing debris accumulation in guide channels.
Wake Industrial stocks the RKL4503 and offers a 1-year warranty on every purchase. Same-day shipping is available for orders that need immediate dispatch. For questions about type codes or fault indications, customers can use the free chat tool to receive general guidance.
Frequently Asked Questions about RKL4503:
Q: How many bending cycles can the RKL4503 power cable withstand?
A: The RKL4503 is rated for 5,000,000 bending cycles, making it suitable for continuous motion applications.
Q: How many control conductors are provided in the RKL4503 cable?
A: This cable includes four control conductors, allowing for additional signal or control cable connections.
Q: What is the cross-sectional area of the power conductors in the RKL4503 cable?
A: The power wire cross-section of the RKL4503 is 2.5 mm² for each conductor.
Q: What is the outer diameter of the Bosch Rexroth Indramat RKL4503 cable?
A: The outer diameter of the RKL4503 cable is 14.8 mm, suitable for standard power cable management systems.
Q: What type of jacket material does the RKL4503 cable use and what are its characteristics?
A: The RKL4503 cable features a PUR jacket with adhesion-free and matte properties, offering durability and chemical resistance.
