Actuator Termojet 24V ac/dc. 0(2)-10V. 60s. 120s/90° 6 Nm 411

Termojet 411 actuator — a proportional motorized servo actuator for 3- and 4-way rotary mixing valves with analogue control. Supply voltage 24V AC/DC, control type — 0–10V (analogue/proportional), torque 6 Nm, full stroke time 90° — 60 or 120 seconds, protection class IP42. Designed for weather-compensating controllers, smart home systems, and heat pumps with a 0–10V analogue output. Power consumption — only 2 W.

Technical Specifications

Operating Principle

The actuator receives an analogue signal from the controller in the range of 0–10V DC and converts it into a corresponding shaft rotation angle: 0V — valve fully closed (or in the initial position), 10V — valve fully open. An intermediate voltage value sets an intermediate gate position — proportionally and steplessly. The 2–10V signal variant is also supported. The built-in motor holds the set position at a stable signal; when the input voltage changes, it smoothly moves the gate to the new position without sudden jumps.

Applications

• Weather-compensated control. The 411 actuator paired with a weather-compensating controller and a 3-way valve DN25 smoothly reduces the supply temperature according to the outdoor air temperature — fuel savings without "oscillations" in the system.
• Heat pump with analogue output. Most heat pumps have a 0–10V analogue output for controlling external devices. The 411 actuator integrates directly — without additional signal converters.
• Smart home and BMS. Building automation systems typically control mixing valves via a 0–10V or 2–10V signal — the 411 is the standard choice for such integrations.
• Boiler protection with proportional control. In a circuit with a 4-way valve DN32, the 411 actuator ensures smooth blending without abrupt return temperature spikes.
• Underfloor heating circuits in large buildings. Proportional control provides a stable supply temperature of 35–45°C without the "overregulation" typical of 3-point actuators.

Advantages of Termojet 411

• Proportional 0–10V signal — precise stepless control that cannot be achieved with a 3-point actuator.
• 24V AC/DC supply — safe voltage, the standard for HVAC automation systems and heat pumps.
• Only 2 W consumption — minimum power consumption among all actuators in the range.
• Support for 0–10V and 2–10V signals — compatibility with various controller standards without reprogramming.
• Manual control — ability to set the valve position manually during commissioning without a controller.

Servo Actuator and Heat Pump

The Termojet 411 actuator is the optimal choice for systems with a heat pump: the 0–10V analogue output is the standard for most modern heat pumps, proportional valve control provides the optimal supply temperature, which directly increases the COP (coefficient of performance) of the entire system. No "jerks" or water hammer — the underfloor circuit and radiators receive exactly as much heat as needed. More about heat pump control and integration with the heating system — on the Termojet heat pumps website.

Frequently Asked Questions

Which signal type to choose: 3-point or 0–10V?
It depends on the output type of your controller. If the controller has an "open/close" output at 230V or 24V — a 3-point actuator is suitable (series 401N or 405N). If the controller, heat pump, or smart home system has a 0–10V or 2–10V analogue output — choose the 411.

Can the 411 be connected to a controller with a standard 3-point output?
No, not without an additional signal converter. The 411 actuator expects an analogue voltage of 0–10V, while a 3-point output provides a discrete "open/close" signal. For 3-point controllers, use the 401N actuator or the 405N.