Thermal Actuator for Optima Compact Valves DN10-32 24VAC, NC (A40505-3 VA90-01)

Product code: A40505-3 VA90-01
Manufacturer code: A40505-3 90-01
Warranty: 1 year

Thermoelectric actuator A40505-3 VA90, 24 V AC/DC, NC (closed when de-energised) with 3 m cable and VA90 adaptor for Optima Compact valves DN10–32. Designed for precise on/off control of heating and cooling valves. More information

Availability
Out of stock - can be requested
Out of stock

Parameters and catalogs

Cable length	3 m
Lift	5 mm
Power Supply	24 VDC, 24 VAC
Setup time	240 s
Weight	0.10 kg

Catalog sheet download

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The A40505-3 VA90 thermoelectric actuator is designed for controlling 2-way and 3-way control valves in heating and cooling systems. It operates in NC mode – closed when de-energised, with a 24 V AC supply. It is suitable for Optima Compact DN10–32 valves and is supplied 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 installation even in confined spaces, including below the valve.

Key features

For Optima Compact DN10–32 valves
24 V AC supply, NC version (closed when de-energised)
VA90 adapter included
Stroke 5 mm, actuating force 100 N
3 m cable
Quiet operation, installation in any position

Technical parameters

Power supply	24 V AC/DC ±10%, 50–60 Hz
Control	On/Off, closed when de-energised (NC)
Power consumption	1 W
Stroke	5 mm
Actuating force	100 N
Operating temperature	0...50 °C
Medium temperature	0...100 °C