A40405 - Valve Actuator 24 V On/Off (NC)
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The A40405 actuator is designed for On/Off operation of valves. With the help of adapter rings (see VA) for various threads and configurations, it can be easily mounted on most valves available on the market.
The Normally Closed (NC) configuration is often preferred as it eliminates the need to supply control voltage during the summer months. The A40405 also features a reduction in energy consumption during operation, from 1.8 watts to 1.0 watt.