ZK4500-0023-0018 Beckhoff
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The Beckhoff ZK4500-0023-0018 is part of the ZK Motor Cables series and has a cable length of 1.80 meters with an outer diameter of 12.4 mm. Its conductor layout is 4 x 1.5 mm² plus 2 pairs of 0.75 mm², and it supports a maximum acceleration of 30 meters per second squared with a dynamic tensile load of 20 N/mm². The cable can handle up to 10 million cycles, has insulation resistance of 10 MΩ·km, and a minimum bend radius of 7 times the outer diameter.
Internal Product Review
The ZK4500-0023-0018 is a Beckhoff motor cable designed for demanding motion applications, featuring a 4 x 1.5 mm² + 2 x (2 x 0.75 mm²) conductor layout and at least 85% shield coverage. Dynamic handling is impressive, with 30 m/s² maximum acceleration and ±30°/m torsion capability supporting reliable cable movement. A 10 million cycle rating and 20 m travel distance make the cable a very capable choice for long-service machine routing.
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Product Description:
The ZK4500-0023-0018 is a flexible motor supply cable produced by Beckhoff within the ZK Motor Cables series. Designed for drag-chain routing in automated machines, this cable carries both power and feedback conductors between a drive amplifier and a synchronous servo motor. By combining multiple cores inside one shielded jacket, it supports quick installation and reliable signal integrity in dynamic motion axes such as pick-and-place gantries, packaging lines, and material-handling robots. It serves as a mechanical link that endures constant movement without compromising electrical performance, making it suitable for high-cycle industrial automation systems.
At a length of 1.80 m, the assembly arrives pre-terminated for exact point-to-point wiring. Inside, the conductor layout of 4 × 1.5 mm² for motor phases plus two twisted signal pairs of 0.75 mm² keeps power and encoder lines separated to minimize crosstalk. The overall jacket measures 12.4 mm in diameter, so routing channels must provide adequate clearance, and any moving application must respect a minimum bend radius of 7 × outer diameter to avoid conductor fatigue. For rapid positioning tables, the cable tolerates linear accelerations up to 30 m/s², instantaneous traversal speeds of 4 m/s, and stroke lengths up to 20 m. These motion limits align with the performance envelopes of modern servo axes and prevent stress that could shorten service life.
The cable allows a dynamic tensile load of 20 N/mm² during motion, while a static limit of 50 N/mm² applies for fixed mounting or cable suspension. Continuous flexing is verified for 10 million cycles, and the design also allows a torsion range of ±30° per meter for rotary platforms. Electrical integrity is supported by an insulation resistance of 10 MΩ·km and a power-core resistance not exceeding 13.3 Ω/km. A braided copper shield covering at least 85 % of the circumference minimizes electromagnetic emissions, ensuring encoder feedback remains stable in electrically noisy machine cells.
