The SRM-A2Z/U1Z-QF-175-E Safety switch with singlesided rope switch manufactured by Bernstein is an electronic part with three normally-closed (NC) contacts and one normally-open (NO) contact, and has an Ingress Protection rating of IP67. It offers both emergency stop and positioning control for use on cranes, hoists, stakers, packaging, and other applications. The Safety switch is designed with a rope actuated dimension of 175mm, allowing for quick and reliable operation. It also includes features such as metal mounting, adjustable shock absorbers, and reinforced nylon rope to ensure maximum durability.