ZK7208-3031-A100 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff ZK7208-3031-A100 is a motor cable from the ZK Motor Cables series with a length of 10 meters and a connector layout of 5 plus 4 pins. It has a rating of 16 Amps at 40°C and supports a rated voltage of 630 Volts AC or 850 Volts DC. This cable features Cat.5 Ethernet shielding, a bayonet locking mechanism, and offers IP65 and IP67 protection classes.
Internal Product Review
The Beckhoff ZK7208-3031-A100 is a motor cable that presents a well-engineered solution for integrated power and data connectivity. IP65/IP67 protection and 360° Ethernet shielding support stable performance in exposed machine environments. A 16 A rating with 630 V AC / 850 V DC capability makes the cable a strong choice for demanding motion applications.
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Product Description:
The ZK7208-3031-A100 is a preassembled motor and data cable manufactured by Beckhoff for use within the ZK Motor Cables series. It combines power supply conductors and EtherCAT P lines so a single cable can energize a servo axis and carry real-time fieldbus communication in automated machinery. The hybrid design reduces wiring between control cabinets and decentralized drive technology, while bayonet locks on the B17 circular connectors allow tool-free installation on the machine frame. This arrangement also reduces the number of separate cable routes required for power and communication.
The cable is supplied in a length of 10.0 m, providing adequate reach for medium-sized gantries and conveyors. A combined 5 + 4-pin connector layout separates four power cores, a protective earth conductor, and four data contacts within one shell. The power pins carry a continuous phase current of 16 A when the ambient temperature remains at or below 40 °C. The insulation supports up to 630 V AC / 850 V DC, allowing common industrial inverters to drive three-phase motor windings. The Ethernet pair is rated as Cat.5, permitting deterministic EtherCAT telegrams at 100 Mbit/s without additional shielding ducts. The preleading protective earth contact engages first during mating, and the “2 × 24 V DC + PE” coding ensures that auxiliary logic voltage and protective earth are connected to the correct poles.
The combined IP65 / IP67 protection class indicates that the overmolded connectors resist dust ingress, water jets, and temporary immersion. The data conductors have a maximum cross-sectional area of 0.34 mm² (AWG22), balancing voltage drop against cable flexibility. The power cores have a cross-sectional area of 1.5 mm², enabling them to carry the rated motor current without overheating. A full-coverage braided shield with 360° termination around the Ethernet pair suppresses common-mode electrical noise. The connector uses installation size B17 and mechanical coding Key 1 to prevent incorrect connections. Four dedicated power pins and a separate protective earth contact organize the electrical connections, while the bayonet locking mechanism provides a vibration-resistant coupling after a quarter turn.
