It operates by utilizing a spring-loaded lever to open and shut a list of interior contacts Within the unit. It's a simulated plunger lever actuator. It requires a 7.2N operating force to energize the spring. The working existing rating is 15A. Preston Outdated Highway BB2, Blackburn · two Bedrooms · https://kingswoodhomes.uk.com/developments/properties/4-bed-detached-houses-feniscowles/