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Thermoelectric actuator for radiator valves and underfloor heating, designed for reliable two-position control of heating systems. More information
Delivery to Belgium (days are avarages)
DHL Express: 1.2 workdays, € 16,94
| Cable length | 1 m |
| IP Rating | IP 54 |
| Lift | 4 mm |
| Lifting force | 100 N |
| Power Supply | 230 V |
| Weight | 0.17 kg |
The Siemens STA326 NC thermoelectric actuator is designed for controlling valves in heating systems, particularly radiator valves and underfloor heating. In the de-energised state, it is the NC (Normally Closed) version, meaning the valve is closed, which ensures safe operation in the event of a power failure. The STA326.40L10 model operates on AC 230 V, is intended for on/off control, and offers a 4.0 mm stroke. The design is complemented by a 1 m connecting cable and an auxiliary contact, making it suitable for standard heating control applications in buildings.
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