ZK7208-3031-A020 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff ZK7208-3031-A020 is a motor cable from the ZK Motor Cables series with an installation size of B17 and IP65/IP67 protection. It features 4 power contacts plus PE and supports a rated current of 16 amps at 40 °C. The cable is designed for 630 V AC or 850 V DC and has both power and data conductors.
Internal Product Review
The ZK7208-3031-A020 is a Beckhoff motor cable connector with IP65/IP67 protection that stands out for clean, dependable integration in demanding machine environments. A 16 A current rating and 630 V AC/850 V DC voltage rating support confident use in industrial power circuits. Mechanical coding 1 adds installation security and highlights the component’s well-engineered connection design.
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Product Description:
The ZK7208-3031-A020 is a motor cable manufactured by Beckhoff for its ZK Motor Cables series. It is intended to connect EtherCAT P servo drives to motors or distributed I/O modules, combining power, protective earth, control supply conductors, and real-time data lines within one assembly. Using a hybrid lead reduces installation time, decreases cabinet wiring, and supports coordinated motion axes in industrial automation cells.
Power transmission is handled by conductors with a cross-sectional area of 1.5 mm² and a continuous current rating of 16 A at 40 °C. The insulation withstands up to 630 V AC/850 V DC, covering the demands of compact servo axes and small inverter outputs found on packaging, handling, and assembly stations. A dedicated pair configured for 2 × 24 V DC plus protective earth supplies brakes or sensors without requiring an additional harness. For signal exchange, twisted data cores measuring 0.34 mm² (AWG 22) help maintain stable EtherCAT P impedance over extended runs. An overmolded coupling has an IP65/IP67 rating, preventing dust ingress and resisting water jets or temporary immersion. The conductor sizing keeps electrical resistance modest and simplifies the selection of appropriate overcurrent protection.
The connector uses installation size B17 with mechanical coding position 1, preventing connection to incompatible hybrid variants. The plug has 4 plus PE (5) power contacts and a separate block of 4 EtherCAT P contacts, enabling the simultaneous delivery of drive energy and deterministic fieldbus traffic. Individual power pins use the color assignment 5 = gray; 6 = green/yellow; 7 = black; 8 = blue; 9 = brown, matching Beckhoff terminal markings and simplifying fault tracing. The mechanical coding promotes correct connector orientation and helps minimize wiring errors during installation. The hybrid design also permits direct routing through energy chains without breakout boxes on gantries or articulated robots.
