The ENK-A3Z IW is an electronic part manufactured by Bernstein. It has a limit switch with NC x3, 10A, maximum 400VAC, M20, IP65 rating, and an operating temperature range of -30°C to 80°C. It is a high grade limit switch designed for tough industrial applications, with a high strength housing and a wide temperature operating range. This product also offers a high level of protection against water and dust.