The Elesa & Ganter GN 42-50-M16-125-A3-U is an industrial safety switch with a foot of pin, a base diameter of 50mm, an M16 thread, a steel plunger, and a plunger length of 125mm. It is designed to be used as an emergency stop switch on machinery and equipment. The GN 42-50-M16-125-A3-U features a secure mounting system, anti-vibration construction, and a high level of protection against environmental conditions and dirt, dust, and oil. It is a UL 508 listed component and certified according to EN418.