Schmersal Z4K-236-11Z-M20 is a compact limit switch with a roller lever, built around a 30 mm-wide thermoplastic enclosure that offers good resistance to oil and petroleum spirit. The actuator is a roller lever with four 90-degree repositionable heads, enabling orientation for bottom-parallel actuation and suitability for small housings. The device is double-insulated and designed for mounting to EN 50047, with a cable entry M20 x 1.5. The 11 variant provides 1NO/1NC contacts rated around 4 A at 230 VAC. Its dimensions are 30 mm wide by 58.5 mm high by 30 mm deep.
