It operates by making use of a spring-loaded lever to open up and close a set of inner contacts inside the device. It's got a simulated plunger lever actuator. It needs a 7.2N operating pressure to energize the spring. The running current ranking is 15A. Disclaimer - Property reference SAL-1H6Q14R6YTK. https://socialimarketing.com/story3673129/new-step-by-step-map-for-4-bedroom-detached-houses-darwen