If you need an answer to any of the following questions, you are looking in the right place:
- What are the main components of an electric actuator?
- How is a two-position electric actuator wired?
- Open, Close... How does it really work?
- What if the valve is not completely opened or closed?
- Do you need to apply constant power to an electric actuator?
- Do you really need a start capacitor and a brake on an electric actuator?
For more info: http://blog.indelac.com/bid/335232/How-does-an-electric-actuator-work
