The L22ED01 is a 40 mm diameter non-illuminated mushroom head push-button designed for severe industrial environments requiring maximum protection. It features a stay-put operation with push-turn reset mechanism, available without engraving in red color, and is equipped with a plastic chrome bezel and locking ring for secure mounting. The device conforms to IEC 60947-5-1, IEC 60529, and ISO 20653 standards, providing IP66 and IP69K protection ratings suitable for high-pressure spray-down, submersion, dust, and humidity exposure. This control device is ideal for outdoor machinery applications, high-pressure cleaning environments, and other demanding industrial settings where durability and reliable operation under adverse conditions are essential.