The ZB4BD5 is a head for a selector switch from the Harmony XB4 range, designed for a standard 22.5 mm mounting diameter. It features a durable chromium-plated metal bezel and a black standard handle, providing three operator positions at +/- 45° with a spring return to the center position. Engineered for high reliability, it boasts a mechanical durability of 1,000,000 cycles and can operate in temperatures ranging from -40°C to 70°C. With high protection ratings including IP67, IP69K, and NEMA 4X, this switch head is ideal for use in demanding industrial environments, control panels, and machinery.