Electrical actuator for valve series ZR, DR, DR-G, DRU. Mounting kits available for connection with non-Honeywell valves and air dampers. For heating systems. Protection class: IP54 Supply voltage: 24 Vac Control input signal: 3-pt Manual operation: Yes Runtime: 3.5 min Torque: 40 Nm Angle of rotation: 90 o End switches: optional Position indication: reversable scale plate Additional Descriptions: Manual operation by declutch of gear.