ZK2020-3400-0020 Beckhoff
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The Beckhoff ZK2020-3400-0020 is part of the ZK Motor Cables series and comes with a 4-pin female A-coded connector and open end termination. This motor cable features a 2 meter length, M8 installation size, and supports a rated current of 4 Amps at 40 degrees Celsius with a rated voltage of 50 V AC or 60 V DC. The conductor build is 42 strands of 0.10 mm, and the wire gauge is AWG22.
Internal Product Review
The ZK2020-3400-0020 is a Beckhoff motor cable built with an A-coded interface and a 4-pin connection layout. Open-end termination supports clean cabinet integration, and the 4 A rating at 40 °C makes this cable a strong fit for dependable light-duty motion wiring.
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Product Description:
The ZK2020-3400-0020 motor cable is supplied by Beckhoff within the ZK Motor Cables series. It functions as the flexible power link between an AX servo drive and its motor, carrying phase and auxiliary conductors through a compact assembly that withstands continuous motion. By integrating a molded miniature female connector on one end and an open conductor bundle on the other, the cable supports fast panel assembly and straightforward integration into compact machine modules. Its insulation system tolerates 40 °C cabinet environments often found in packaging and intralogistics cells.
The connector uses A-coded signal orientation and a 4-pin contact layout, ensuring unambiguous mating with Beckhoff motor-side receptacles. A molded strain-relief backshell protects the 42 × 0.10 mm conductor build, while the overall conductor set has a cross-section of 4 × 0.34 mm² for balanced current distribution. The assembled cable length is 2.00 m, which is suitable for short-range routing inside a single-axis cabinet. Under rated ambient conditions, each conductor can carry 4 A at 40 °C without exceeding copper temperature rise, and the insulation withstands 50 V AC / 60 V DC, covering typical low-voltage motor feedback circuits. The wire gauge corresponds to AWG22, providing flexibility without excessive voltage drop.
For dynamic drag-chain service, the jacket tolerates accelerations up to 10 m/s² and linear travel speeds of 5 m/s, which helps limit cyclic stress on the fine-stranded copper. A slim overall diameter of 4.7 mm reduces fill in energy chains and still allows a recommended coupling torque of 0.4 Nm on the knurled M8 nut to secure the plug. The installation size is M8, and the open-end termination lets builders land the individual cores directly on terminal blocks or drive screw connectors without additional crimp ferrules.
