Able to withstand qualification test according to IEC 60529, Series PSE offers more than 20 million switching cycles. They contain no moving parts and are manufactured with stainless steel or aluminum housings. Available in mounting dia of 16, 19, 22, 24, 27, and 30 mm, hermetically sealed switches are suited for applications exposed to high levels of dirt and grime, and subject to routine cleaning with disinfectants or high-pressure washers.