ZK1090-3131-0003 Beckhoff
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The Beckhoff ZK1090-3131-0003 is a motor cable from the ZK Motor Cables series with a cable length of 0.30 meters and a star quad cable structure. It features a PUR outer jacket, M8 straight male 4-pin A-coded connectors at both ends, and provides IP65/67 protection. The cable supports a rated voltage of 30 V and can withstand maximum speeds of 15 meters per second with acceleration up to 10 meters per second squared.
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Product Description:
The ZK1090-3131-0003 is a Beckhoff cable assembly from the ZK Motor Cables series. It serves as a short power-and-signal link between a compact servo motor and its drive controller, supporting 30 V system distribution in confined machine spaces. Factory-molded M8 straight male A-coded connectors at both ends eliminate field crimping, while the PUR outer jacket tolerates continuous flexing and exposure to cutting fluids. The star-quad layout inside the sheath maintains consistent impedance so encoder and brake signals reach the drive without interference.
With an overall length of 0.30 m, the cable is intended for panel-internal routing or very short motor pigtails where slack must be minimized. Its conductors follow a 1 × 4 × 0.14 mm² (AWG26) cross-section and are formed from 19 strands of 0.1 mm copper; this fine construction improves flexibility and lowers mechanical stress at the connector exit. A PUR sheath enables travel up to 15 m/s and acceleration peaks of 10 m/s² on linear pick-and-place axes without cracking. DC loop resistance is limited to 250 Ω/km, reducing voltage drop along the supply conductors. The star-quad geometry and an unbalanced resistance of 2% maintain symmetrical signal paths, and the assembly is rated for 50 V AC or 60 V DC at the connector interface.
Electrical parameters support high-speed feedback protocols. Mutual capacitance is held to 51 pF/m at 1 kHz, and the signal propagation delay of 5.55 ns/m keeps phase skew low on sub-meter runs. When installed on moving machine elements, the molded connectors and PUR jacket achieve an IP65/67 ingress rating, blocking dust and water jets. Each M8 contact carries up to 4 A at 40 °C, matching the current drawn by small holding brakes or low-voltage control circuits. The assembly supports stable waveform transmission during motion on compact machine axes.
