RKL4725 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4725 belongs to the RKL Motor Power Cables series and features a cable diameter of 22.2 mm with an orange PUR outer jacket. It has 4x10.0 mm² power conductors, 5,000,000 bending cycles, and supports operating temperatures up to 90°C fixed and 80°C flexible.
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Product Description:
The RKL4725 is a pre-assembled motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. Intended to route energy between an Indramat drive controller and a servo motor, the assembly links cabinet and machine while preserving electromagnetic compatibility and mechanical reliability in automated production cells. It carries three-phase power along with paired control cores that feed brake or temperature signals, allowing coordinated motion control without a separate auxiliary harness during continuous duty cycles in harsh environments.
Its copper phase paths are realized as 4x10.0 mm² conductors, a cross-section that limits voltage drop and supports high surge currents. The bundle measures 22.2 mm in diameter, so drag-chain guides must accommodate this size. Continuous movement is rated for 5,000,000 cycles when installers respect the 7.5xD dynamic bending radius. A polyurethane sheath in Orange RAL 2003 encloses the layers; the material is PUR, chosen for abrasion and coolant resistance. Two signal pairs, 2 × 1.0 mm² and 2 × 1.5 mm², twist between the power cores to reduce crosstalk. Factory-fitted RLS0723/K10 and RLK1301 connectors provide plug-and-play links to controller and motor. Fixed routing is permitted up to +40 °C ambient.
In stationary sections the installation may follow a 5xD static bending radius, preventing conductor kinks. When the cable is not flexed, the copper strands tolerate 90 °C; under continuous motion the limit falls to 80 °C to protect the insulation. Safe service is maintained down to -30 °C in fixed routing and to −20 °C when flexibility is required, supporting equipment in chilled rooms or outdoor lines. These thermal and mechanical thresholds align with the PUR sheath and tinned copper stranding so the RKL4725 can deliver reliable motor power through repeated start-stop cycles.
Frequently Asked Questions about RKL4725:
Q: How many bending cycles is the RKL4725 motor power cable rated for?
A: The RKL4725 cable is designed for 5,000,000 bending cycles, ensuring long-term reliability in dynamic applications.
Q: What is the controller-side interface for the RKL4725 motor power cable?
A: The controller-side interface of the RKL4725 cable uses the RLS0723/K10 connector.
Q: What is the outer jacket material and color of the RKL4725 cable?
A: The RKL4725 cable features a PUR outer jacket that is colored orange (RAL 2003).
Q: What is the size and number of power conductors in the RKL4725 cable?
A: The power conductors in the RKL4725 cable are sized at 4x10.0 mm² for efficient power transmission.
Q: What are the operating temperature ranges for the RKL4725 cable?
A: The RKL4725 operates in fixed installations from -30 °C to +40 °C and in flexible conditions down to -20 °C.
