RKL4746 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4746 is part of the RKL Motor Power Cables series and features a PUR jacket in RAL 2003 orange. This cable has 4 power wires with a conductor cross-section of 50.0 mm² and 4 control wires at 2.5 mm². It uses an RLK1501 motor connector and supports a drag-chain maximum acceleration of 10 m/s².
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Product Description:
The RKL4746 is a pre-terminated motor power cable manufactured by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It connects servo drives to synchronous motors in automated machinery, carrying three-phase power along with auxiliary control signals so the controller can monitor temperature or brake status while the motor receives drive current. By combining power and auxiliary circuits in one assembly, the cable reduces the need for separate harness runs between the cabinet and the moving axis.
The cable follows UL AWM style 20234 and is built from bulk type INK0668 cores that include four power conductors with a cross-section of 50.0 mm². At 20 °C, the copper has a longitudinal resistance of 0.386 Ω/km, which helps limit voltage drop over long runs and reduce heat buildup during continuous current transfer. In dynamic routing systems, the assembly withstands drag-chain acceleration up to 10 m/s² without conductor fatigue, supported by an abrasion-resistant PUR outer jacket that also resists cutting oils and coolant spray. Power contacts terminate in an RLK1501 motor connector, while the controller side uses an RLS0724/K50 plug so the cable mates directly with compatible Rexroth drive cabinets. Additional control cores carry diagnostic and interlock signals within the same sheath, keeping the connection package compact on moving equipment.
The internal control conductors have a cross-section of 2.5 mm², which suits common thermal sensor and brake circuits. Dielectric spacing gives a discharge capacity of 1.3 nF/m, and this capacitance is taken into account by the drive output filter when the carrier frequency is set. Continuous motion is supported at a drag-chain velocity of 5 m/s, which is useful on high-speed gantries that cycle repeatedly during operation. The jacket is RAL 2003 (Orange), making the cable easy to distinguish from signal or pneumatic lines in dense machine layouts. This color coding also helps keep cable routing clear where several moving assemblies share the same carrier system.
Frequently Asked Questions about RKL4746:
Q: What is the jacket material of the RKL4746 power cable?
A: The RKL4746 features a PUR outer jacket for enhanced abrasion and chemical resistance.
Q: What is the maximum drag-chain acceleration for the RKL4746 cable?
A: This cable supports a maximum drag-chain acceleration of 10 m/s² without performance loss.
Q: How many control wires are present in the RKL4746 cable?
A: The RKL4746 cable includes four control wires, allowing for reliable signal transmission alongside power.
Q: What controller connector type is used on the RKL4746 cable?
A: The cable uses an RLS0724/K50 connector type for the controller connection, ensuring compatibility with specific Rexroth controllers.
Q: What is the power conductor cross-section of the RKL4746 cable?
A: The power conductor cross-section in this model measures 50.0 mm², supporting high power loads.
