Schneider Electric XB4BA11 Harmony XB4 Push Button, Flush, White, 22mm, Spring Return, 1NO. The Schneider Electric XB4BA11 is a robust 22 mm Harmony XB4 series flush push button designed for reliable control applications in challenging industrial environments. Featuring a durable chromium-plated metal bezel and a white, unmarked spring-return operator, this essential component ensures consistent performance. It incorporates a 1 NO (normally open) slow-break contact, connected via convenient screw clamp terminals. With a high mechanical durability of 10 million cycles and an impressive IP66, IP67, IP69, IP69K degree of protection, the XB4BA11 offers superior resistance to dust, water, and even high-pressure washing. Its wide ambient operating temperature range of -40 to 70 °C, coupled with a 600V rated insulation voltage and 3A at 240V AC-15 operational current, makes it ideal for diverse sectors across Egypt and the Gulf, including oil and gas, water treatment, cement, food and beverage, and building services. For dependable control solutions, request a quote for the Schneider Electric XB4BA11.