ZK1090-3131-0025 Beckhoff
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The Beckhoff ZK1090-3131-0025 is a 2.5 meter motor cable from the ZK Motor Cables series, featuring a 4-pin M8 connector and conductor size of 1 x 4 x 0.14 mm² (AWG26). This cable is rated for 30 V with a signal running time of 5.55 ns per meter and a rated current of 4 Amps at 40 degrees Celsius. It also has an insulation resistance of at least 150 Megaohms per kilometer and a recommended connector torque of 0.4 Nm.
Internal Product Review
The ZK1090-3131-0025 is a Beckhoff motor cable with an M8 4-pin connector for dependable machine-side integration. Low mutual capacitance of 51 pF/m at 1 kHz and signal running time of 5.55 ns/m support clean, responsive transmission in motion-control circuits. A 4 A rating at 40°C makes the cable a strong choice for compact motor feedback applications.
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Product Description:
The ZK1090-3131-0025 is a pre-assembled motor signal cable produced by Beckhoff within its ZK Motor Cables series. The assembly links encoders, sensors, or compact motors to I/O modules and drive controllers in distributed automation layouts, carrying low-voltage power and differential signals in one line. Factory-terminated connectors simplify installation on packaging machines, handling axes, and other motion platforms where consistent transmission quality and defined mechanical reliability are required.
Its data path consists of four balanced copper cores built from a 19 × 0.1 mm strand pattern; this structure keeps conductor flexibility while limiting cross-sectional area to 1 × 4 × 0.14 mm² (AWG26). Over the cable run of 2.50 m, the pair is rated for a circuit potential of 30 V and a continuous load of 4 A at 40 °C, making it suitable for typical auxiliary motor currents. Electrical losses are controlled by a ground capacitance of 3400 pF/km and a loop resistance of 250 Ω/km, figures that help predict attenuation and voltage drop in motion chains. Polyolefin insulation and a braided shield maintain signal integrity while resisting machine-side oils and vibration.
The molded field-attachable plug follows the industrial M8 coding with a 4-pin layout, allowing compact terminations in motor junction boxes. Its contacts tolerate up to 50 V AC/60 V DC and are specified for at least 100 mating cycles when tightened to the recommended 0.4 Nm. A test potential of 700 V verifies dielectric strength, while insulation resistance remains no less than 150 MΩ/km after factory acceptance. High-frequency behavior is characterized by a mutual capacitance of 51 pF/m at 1 kHz and a signal propagation delay of 5.55 ns/m, parameters that support deterministic feedback timing in servo networks.
