It operates through the use of a spring-loaded lever to open and close a list of inside contacts inside the device. It's a simulated plunger lever actuator. It requires a seven.2N working power to energize the spring. The operating existing rating is 15A. Feniscowles, Blackburn · 2 Bedrooms · 1 https://kingswoodhomes.uk.com/developments/properties/4-bed-detached-houses-feniscowles/