HERZ 2-way ball valve motor, 2/3-point 230V, 1771233

The HERZ 1 7712 33 is a professional electric rotary actuator designed for automatic control of HERZ regulating ball valves in heating, cooling and HVAC systems. It ensures precise flow regulation and reliable long-term operation.

The actuator supports both 2-point and 3-point control and features a synchronous motor with electronic protection and automatic end-position shut-off. Manual override is possible using the integrated lever. Tool-free installation on HERZ ball valves up to DN50 ensures quick assembly.

Main Advantages

• 2-point and 3-point control
• Precise flow regulation
• Manual override function
• Maintenance-free gearbox
• Tool-free installation
• Electronic overload protection
• Suitable for HVAC systems

Technical Information

• Model: 1 7712 33
• Type: Rotary actuator for ball valves
• Compatible with: HERZ 1 2117 series valves
• Voltage: AC 230 V ±15%
• Frequency: 50–60 Hz
• Control: 2-point / 3-point
• Torque: 8 Nm
• Rotation angle: 90°
• Response time: min. 200 ms
• Running time: 120 s
• Cable length: 1.2 m
• Protection rating: IP54
• Protection class: II
• Ambient temperature: -10°C to +55°C
• Max. medium temperature: +100°C
• Humidity: 5–95% RH non-condensing
• Weight: 0.7 kg
• Manual override: yes
• Mounting position: vertical to horizontal