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Thermoelectric actuator A40505-3 VA90, 24 V AC/DC, NC (normally closed without voltage) with 3 m cable and VA90 adapter for Optima Compact DN10–32 valves. Designed for precise on/off control of heating and cooling valves. More information
Out of stock - can be requested
| Cable length | 3 m |
| Lift | 5 mm |
| Power Supply | 24 VDC, 24 VAC |
| Setup time | 240 s |
| Weight | 0.10 kg |
Catalog sheet download
Download PDFThe A40505-3 VA90 thermo-electric actuator is designed for controlling 2-way and 3-way control valves in heating and cooling systems. It operates in NC mode – normally closed without voltage, with a power supply of 24 V AC. It is suitable for Optima Compact DN10–32 valves and comes with a VA90 adapter and a 3 m connection cable.
The actuator uses a wax element with a return spring, ensuring reliable and quiet maintenance-free operation. Its compact dimensions allow for installation even in confined spaces, including positions under the valve.
| Power Supply | 24 V AC/DC ±10 %, 50–60 Hz |
| Control | On/Off, normally closed without voltage (NC) |
| Power Consumption | 1 W |
| Stroke | 5 mm |
| Control Force | 100 N |
| Operating Temperature | 0...50 °C |
| Medium Temperature | 0...100 °C |
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