RKL4701 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4701 is part of the RKL Motor Power Cables series. This cable features a 4x1.0mm² plus 2x(2x0.75mm²)StC construction and is suitable for drag chain use. It has a PUR jacket in orange RAL 2003 color and operates at 300/500 V for power with an overall diameter of 12.0 mm.
Internal Product Review
The RKL4701 from the RKL Motor Power Cables series by Bosch Rexroth Indramat is a robust power cable designed for drag chain use and features a PUR jacket for durability and flexibility. It incorporates a 4x1.0mm² + 2x(2x0.75mm²)StC cable construction and supports operating voltages of 300/500 V for power and 300/300 V for control. This model stands out for its reliable electrical performance and industrial-grade construction.
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Product Description:
The RKL4701 integrated motor power cable is manufactured by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It is supplied as a preassembled link between an IndraDrive controller and a synchronous motor, combining power and auxiliary control conductors in one flexible cable. Within automated production cells, the cable carries motor current, brake power, and low-voltage signals while supporting electromagnetic compatibility. Its integrated arrangement reduces the number of separate cable runs required between the controller and motor.
The conductor layout uses a 4 × 1.0 mm² + 2 × (2 × 0.75 mm²) StC configuration. Four main conductors carry the motor load, while two individually shielded twisted pairs support brake-release and sensor circuits. The main conductors support a continuous operating voltage of up to 300/500 V, making the cable suitable for the output range of low-voltage servo inverters. A finished outside diameter of 12.0 mm ± 0.5 mm allows the assembly to pass through M20 cable glands without filler bushings. When installed in a dynamic cable carrier, the cable requires a minimum bend radius of 7.5 × D to protect its insulation, conductors, and shields during repeated movement.
Electrical transmission is supported by a conductor resistance of 19.5 Ω/km, which limits resistive losses on axes with cable runs spanning several meters. The cable has a mutual capacitance of 0.6 nF/m, reducing the reactive displacement current presented to drive output filters. An adhesion-free PUR jacket in RAL 2003 orange protects the internal conductors from oils, coolants, and weld spatter. Its matte surface also helps prevent the cable from sticking inside drag chains during continuous movement. The controller end has an RLS0722/K01 connector, while the motor end has an RLK1201 plug for direct connection to compatible equipment. The internal control pairs have a voltage rating of 300/300 V, allowing brake coils or encoder supplies to run alongside the motor conductors without separate cabling.
