... an electrical circuit. Used in various applications such as electric power,telecommunication, machinery, marine, textile, printing, miningindustrial equipment , ... Pollution degree: class 3Protection degree: IP40. IP65 Waterproof type as requestContact resistance:≤50mΩMechanica durability:momentary 1000,000 ... waterproof... 2 position stay put selector pushbutton switch, Schneider type pushbutton