Schneider Electric XB5AA42 Harmony XB5 Flush Red Unmarked Push Button, Spring Return, 1NC. The Schneider Electric XB5AA42 push button is a robust and reliable control component from the Harmony XB5 range, designed for a wide array of industrial control applications. Featuring a 22.5 mm mounting diameter, this flush, red, unmarked push button includes a spring-return operator and a 1 NC (normally closed) slow-break contact. Its dark grey plastic bezel ensures durability and a clean aesthetic, while connectivity is simplified with secure screw clamp terminals. Built for demanding environments, the XB5AA42 boasts impressive IP66, IP67, IP69, and IP69K protection ratings, alongside NEMA UL type 4X/13 and IK03 resistance, offering excellent protection against dust, water, and impact. With a mechanical durability of 10 million cycles, an operational temperature range of -40 to 70 °C, and a rated operational current of 3 A at 240 V (AC-15), it ensures long-term, dependable performance. This versatile Schneider Electric push button is an ideal choice for control panels in sectors prevalent across Egypt and the Gulf region, including oil and gas facilities, water treatment plants, cement production, food and beverage processing, and building services, where reliable heavy-duty push buttons are essential for operational safety and efficiency.