RKL4728 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4728 is part of the RKL Motor Power Cables series and features a bulk cable type of INK0607. This cable supports 5 million bending cycles, has an outer diameter of 29.8 mm, and provides a power wire cross-section of 25.0 mm² with a control wire cross-section of 1.5 mm². It uses the RLK1301 motor connection and RLS0724 (K25) controller connector.
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Product Description:
The RKL4728 is a flexible motor-power cable from Bosch Rexroth Indramat’s RKL Motor Power Cables series. It mates the servo controller to the motor via standardized connectors, carrying three-phase supply conductors together with auxiliary control cores so that power and feedback can share a single routed harness inside dynamic machine axes.
The primary power cores have a cross-section of 25.0 mm², giving low voltage drop during peak current surges, while overall line capacitance is held to 1.1 nF/m to minimize reactive load on the drive’s output stage. Copper strands exhibit a direct current resistance of only 0.78 Ω/km at 20 °C, supporting efficient energy transmission over long drag-chain runs. A rugged outer sheath reaches an outside diameter of 29.8 mm, yet the composite bundle can still follow moving axes because the dynamic bend radius is specified at 7.5 x D; this protects insulation layers from cyclic strain during continuous motion.
Mechanical endurance is verified for 5 million flex cycles, aligning with the service life of typical gantry and pick-and-place systems. The bulk cable type is coded INK0607, ensuring compatibility with Rexroth crimp and clamp tooling. Four dedicated signal pairs are integrated for temperature or brake sensors and use a conductor size of 1.5 mm² to match common control terminal blocks. Factory-installed connectors simplify commissioning: the drive end employs RLS0724 (K25) while the motor side terminates in RLK1301, both keyed to prevent wiring errors.
Wake Industrial can provide same-day shipping on this cable, extends a 1-year warranty with every purchase, and keeps quotations valid for 30 days to aid maintenance scheduling.
Frequently Asked Questions about RKL4728:
Q: How many bending cycles can the RKL4728 Motor Power Cable withstand?
A: The RKL4728 power cable is designed for up to 5 million bending cycles, making it suitable for applications requiring high flexibility and durability.
Q: What is the conductor resistance of the RKL4728 power cable at 20°C?
A: The conductor resistance of the RKL4728 at 20°C is 0.78 Ω per kilometer.
Q: What is the power wire cross-section of the RKL4728 cable from Bosch Rexroth Indramat?
A: This cable is equipped with a 25.0 mm² cross-section for its power wires, supporting efficient power transfer.
Q: What is the outer diameter of the RKL4728 motor power cable?
A: The outer diameter of the RKL4728 motor power cable is 29.8 mm.
Q: Which controller connector is used with the RKL4728 power cable?
A: The RKL4728 features a controller connector specified as RLS0724 (K25).
