RKL4735 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4735 cable is part of the RKL Motor Power Cables series and features a PUR jacket with a diameter of 25.5 mm. It supports a power conductor cross-section of 16.0 mm², a control wire cross-section of 1.5 mm², and operates with a voltage rating of 600 V AC. The cable allows for 5,000,000 bending cycles and uses an RLS0723 (K16) connector on the controller side.
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Product Description:
The RKL4735 belongs to the RKL Motor Power Cables series produced by Bosch Rexroth Indramat. It is a flexible power and control cable intended for linking drive controllers to servomotors in automated machines. The assembly provides a predefined controller-side plug (RLS0723 K16) and a motor-side mating interface (RLK1401) to streamline installation while maintaining signal integrity between the cabinet and the moving axis.
The cable is specified for 5,000,000 flex cycles, which suits continuously‐moving drag-chain layouts. It is supplied as bulk type INK0606, indicating the insulation and shielding design chosen by the manufacturer. Overall outside diameter measures 25.5 mm; this dimension governs gland selection and contributes to thermal dissipation during high current flow. Copper conductors exhibit a resistance of 1.21 Ohm/km at 20 °C, a value relevant when calculating voltage drop over long runs. When routed in dynamic applications the cable should follow a minimum loop of 7.5 × D, limiting mechanical strain on the PUR jacket and internal shields.
The outer sheath is formulated from PUR (adhesion-free, matte), giving abrasion resistance and simplified removal from energy chains. Power leads use a cross-section of 16.0 mm², matching the motor phase current that corresponds to a continuous rating of 600 V AC (UL). Control pairs are 1.5 mm² and lie in a concentric arrangement defined by the construction code [4×16.0 mm² + 2×(2×1.5 mm²)StC]C to keep signal cables uniformly spaced from the power core. For static cabinet routing the bend may be tightened to a radius of 5 × D, supporting compact cabinet layouts without over-stressing shields or insulation.
Frequently Asked Questions about RKL4735:
Q: How many bending cycles is the RKL4735 power cable rated for?
A: The RKL4735 has a bending cycle rating of 5,000,000, making it suitable for applications requiring frequent cable movement.
Q: What is the power conductor cross-section of the RKL4735 cable?
A: The RKL4735 features a power conductor cross-section of 16.0 mm² for efficient power transmission.
Q: What material is used for the jacket of the RKL4735 motor power cable?
A: The jacket on the RKL4735 cable is made from PUR which is adhesion-free and matte in finish.
Q: Which connector is equipped on the controller side of the RKL4735 cable?
A: The RKL4735 uses a controller-side connector designated as RLS0723 (K16).
Q: What is the power voltage rating for the RKL4735 cable according to UL?
A: The power voltage rating for the RKL4735 is 600 V AC according to UL standards.
