ZK1090-3161-0020 Beckhoff
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The Beckhoff ZK1090-3161-0020 is a 2 meter long motor cable in the ZK Motor Cables series, featuring a star quad cable structure with PUR jacket material and PP wire insulation. Its connectors are M8 male 4-pin A-coded and M12 male 4-pin D-coded, supporting rated voltages of 50 V AC/60 V DC on the M8 end and 160 V on the M12 end. The cable has a shield coverage of 90% and supports rated currents up to 4 Amps at 40°C, with a maximum acceleration of 10 meters per second squared and speed of 15 meters per second.
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Product Description:
The ZK1090-3161-0020 is a motor cable from Beckhoff that belongs to the ZK Motor Cables series. Designed for servo axes and other moving loads, the cable transmits power and Ethernet-based feedback between drive controllers and motors while tolerating continuous motion in dynamic routing paths. It is intended for installations where the motor and cabinet connections move with the machine, so both power delivery and real-time communication must remain stable over repeated cycles. Electrical integrity is verified at a dielectric test level of 700 V, supporting dependable insulation inside the molded connectors.
It is supplied in a length of 2.00 m, allowing short connections inside compact cable chains without excess slack. The assembly uses a M8 male 4-pin A-coded to M12 male 4-pin D-coded plug set, so the motor side and the control cabinet side connect through standard mating interfaces. A rated load of 4 A at 40 °C supports typical 24 V supply current for encoder electronics. The control-side interface can handle up to 160 V, and the motor side can handle up to 50 V AC / 60 V DC. Internally, the star-quad layout groups four AWG26 conductors in a 1 × 4 × 0.14 mm² arrangement around a drain wire, and each core uses 19 strands of 0.1 mm copper. Polypropylene insulation and the yellow, orange, white, and blue core colors make the internal layout easy to distinguish.
The cable’s outer sheath is made of PUR (polyurethane), a material chosen for abrasion resistance and flexibility under repeated movement. The sheath also resists wear where the cable slides through carriers and bends repeatedly around guide radii. During drag-chain motion, the assembly withstands traverse speeds up to 15 m/s and acceleration peaks of 10 m/s² without conductor fatigue. A braided copper screen provides 90% coverage, helping reduce EMI coupling when power and communication lines run close together.
