It operates through the use of a spring-loaded lever to open and shut a set of inside contacts Within the unit. It has a simulated plunger lever actuator. It needs a seven.2N operating force to energize the spring. The functioning present rating is 15A. Feniscowles, Blackburn · 2 Bedrooms · https://kingswoodhomes.uk.com/developments/properties/4-bed-detached-houses-feniscowles/