RKL4643 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4643 is a ready-made power cable from the RKL Motor Power Cables series. It supports 5,000,000 bending cycles and has a dynamic bending radius of 7.5 times the cable diameter. The cable comes with ferrules and ring terminal on one end and a plug connector RLS0727 on the other, and operates in ambient temperatures from -30 to +80 degrees Celsius.
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Product Description:
The RKL4643 is a factory-terminated motor supply cable produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. Designed for servo axes, the assembly carries three-phase power from the drive to the motor while establishing a protective earth path. Its pre-assembled form simplifies installation in automated production lines and minimizes wiring errors encountered with field-crimped conductors. By matching the mechanical and electrical interfaces defined for Rexroth controllers, the cable secures reliable energy transfer in dynamic routing chains used on gantries, robots, and machine tools.
Because the cable is Ready-Made, both ends arrive pre-terminated, eliminating on-site stripping, crimping, or insulation removal. The motor side uses Ferrules and ring terminal, allowing screw fastening to shunt or clamp style power blocks, while the drive side integrates a keyed Plug Connector RLS0727 that locks into RLS interface modules without additional tooling. Mechanical flexibility is governed by a 5xD static bending radius, so cabinet routing can follow tight corners without conductor damage. During continuous motion in cable tracks the permitted curvature relaxes to a 7.5xD dynamic bending radius, a value that prevents excessive tensile stress on copper strands and insulation when the assembly accelerates with the axis.
The RKL4643 is identified as a Power Cable, meaning its core cross-section and shielding are dimensioned exclusively for motor currents rather than feedback signals. Its construction has been qualified for 5,000,000 bending cycles, making it suitable for high-duty linear modules or pick-and-place arms that operate day and night. Electrical performance and material ageing are maintained across an ambient range of -30 to +80 °C operating while the same -30 to +80 °C storage window allows safe shipment or warehousing in unheated facilities. These environmental ratings, combined with the robust insulation jacket, keep dielectric strength and grounding integrity stable even after years of repetitive movement.
Frequently Asked Questions about RKL4643:
Q: What is the maximum number of bending cycles supported by the RKL4643 cable?
A: The RKL4643 power cable supports up to 5,000,000 bending cycles.
Q: Is the RKL4643 cable pre-assembled or does it need to be built?
A: The cable comes ready-made and does not require any additional assembly.
Q: What types of connectors are present on the RKL4643 cable ends?
A: The RKL4643 has ferrules and a ring terminal on one end and a Plug Connector RLS0727 on the other.
Q: What is the operating ambient temperature range for the RKL4643 power cable?
A: This cable can operate in ambient temperatures ranging from -30°C to +80°C.
Q: What is the dynamic bending radius required for the RKL4643 cable?
A: The dynamic bending radius for the RKL4643 is 7.5 times the diameter of the cable.
