The ZB4BA3 is a head for a non-illuminated push-button from the Harmony XB4 range, designed for industrial control applications. It features a green, unmarked, flush profile with a spring-return operator and a durable chromium-plated metal bezel. This component fits a standard 22.5 mm mounting diameter and boasts a high mechanical durability of 10,000,000 cycles. It is engineered for harsh environments, with an operating temperature range of -40 to 70°C and high protection ratings including IP66, IP67, IP69K, and NEMA 4X. Its robustness makes it ideal for use in control panels and machinery where reliability and resistance to dust, water, and impact are critical.