Product Description:

The ZK7A26-3031-0018 is a preassembled motor cable manufactured by Beckhoff for the ZK Motor Cables series. Designed for servo and spindle installations, the product carries power and communication between an AX series drive and a matching motor in distributed EtherCAT P architectures. In an automation cabinet, it routes quickly and mates with coded connectors on the machine frame, supporting motion axes without additional wiring effort. Its preassembled format also reduces field termination work because the connectors arrive ready to install. Because motor power and network communication share one assembly, cable routing stays more organized in compact machine sections. This is useful on axes where separate leads would otherwise crowd cable carriers or connector panels.

The cable length of 1.80 m lets the motor be positioned within short reach of the control panel while avoiding excess slack that can reduce bending life. Its conductors have a data cross-section of 0.34 mm² (AWG22), a size suited to fieldbus signaling currents and low-voltage sensor lines. For mains supply, it withstands up to 630 V AC/850 V DC, so the same lead can carry high-energy motor phases alongside logic pairs. The molded connectors and jacket achieve IP65/IP67 protection, enabling installation on moving axes exposed to dust or coolant spray. Physical dimensions correspond to the B23 installation size, allowing use with strain-relief brackets and carrier chains sized for this cable family. The short overall length is also useful where the drive and motor are mounted near each other and excess cable storage space is limited.

Inside the overmold, the hybrid interface provides 4 EtherCAT P pins that transmit power and communication through one connection, which reduces connector count on the machine. Polarization is maintained by mechanical code 3, preventing accidental mating with higher-voltage variants. For special applications, the plug shell uses User-Defined Voltage coding so phase-voltage assignments can match nonstandard layouts. The laser-etched article number supports straightforward product identification, and the cable helps maintain consistent transmission behavior along the EtherCAT segment. This format also keeps routing compact where motor power and network communication must follow the same cable path. The combined interface is useful where moving cable space is limited and separate connectors would increase diameter and routing complexity.