Performance Features

• Available in 24 V, 120 V, 230 V and 0-10 V |
• Normally-closed (NC) or normally-open (NO) models |
• 360° Installation |
• 100% Watertight design (patented) |
• First-Open function |
• Valve-Adaptor system |
• Simple removal protection |
• Compatible with modern radiator designs |
• Round function display |
• Adjustment Control |
• Plug-in connection cable |
• Reliable operation and long life, maintenance free |
• Minimal power demand |
• Snap-on assemble requires no tools |
• Clear lable area |
• Surge protection |
• Silent |
• optional: Protection cap |
The OEM Alpha-Actuator is both an all-around and specialised product for the multiple needs of thermal valve control in building technology. The Alpha-Actuator DDC version is a compact, high-end product that is adaptable to customer needs.
The Alpha-Actuator 4 is a thermoelectric valve-drive for opening and closing valves used in the fields of heating, ventilation and air conditioning engineering.
The Alpha-Actuator 4 is usually controlled by a room thermostat with two-point output or pulse-with modulation. A wide choice of valve adaptors guarantees perfect adaptation to 99 % of all valve bottoms and heating circuit distributors available on the market.
- • Adaptable to the valve by means of Valve-Adaptor (sold separately)
- • Adjustment control
- • First-Open Function
- • Hub Display
- • Snap-on installation
- • 100% Protection against leaky valves
- • Removal security with removable safeguard
高级型电热执行器:24V常闭
AA 4004N 资料下载
Thermoelectric valve-drive for driving valves on radiators, convectors and in Building Management Systems, etc. De-energised status: Normally Closed (NC).

Operating Voltage: | 24 AC / DC, +20% bis -10%, 0- 60 Hz | |
Operating Power: | 1.8 W | |
Degree/Protection Type: | IP 54/ II (only with plug and connected cable) | |
Stroke: |
| |
Actuating Force: | 100 N ± 5 % | |
Cable (plug-in connector): | 2 x 0.75 mm² | |
Line Length: | 1000 mm | |
Housing Colour: | white RAL 9003 | |
Dimensions (mm) H/W/D: | 55+5 / 44 / 61 |
高级型电热执行器:24V常开
AA 4104 N 资料下载
Thermoelectric valve-drive for driving valves on radiators, convectors and in Building Management Systems, etc. De-energised status: Normally Closed (NC).

Operating Voltage: | 24 AC / DC, +20% bis -10%, 0 - 60 Hz |
Operating Power: | 1.8 W |
Degree/Protection Type: | IP 54/ II (only with plug and connected cable) |
Stroke: | 4 mm |
Actuating Force: | 100 N ± 5 % |
Cable (plug-in connector): | 2 x 0.75 mm² |
Line Length: | 1000 mm |
Housing Colour: | white RAL 9003 |
Dimensions: (mm) H/W/D: | 55+5 / 44 / 61 |