The MZ20 is a compact precise actuator for the VZ219, VZ319 and VZ419 valves. The long stroke is an electro-mechanical zone actuator. The actuator provides precise valve position and flow for good hydronic control. Reliable long term operation is provideed by the optimal design without feedback potentiometer or end switches. Supply voltage, 24 Vac and Force, 200 N. Control voltage: 0…10 V, 6…9 V, 1…5 V, 2…10 V, 4…7 V, 6…10 V, 8…11 V. IP 43 for vertical mounting. Working temperature: -5 to 55 °C. Connection cable: 5.5 m. 6 m 24 V pluggable cabe pack, 10 pieces.