Schneider Electric XB4BW34B5 Illuminated Push Button, Harmony XB4, Red Flush, 22.5mm, Universal LED, 1NO + 1NC, 24V AC DC. The Schneider Electric XB4BW34B5 is a robust illuminated push button from the Harmony XB4 series, designed for industrial control applications. Featuring a durable chromium-plated metal bezel and a 22.5 mm mounting diameter, this red flush operator includes a universal LED light source and plain lens for clear visual indication. It offers a versatile 1 NO + 1 NC contact configuration for flexible circuit control and operates on a common 24V AC/DC supply voltage at 50/60 Hz. This unit provides excellent protection with IP66, IP67, IP69, IP69K ratings and IK06 impact resistance, making it suitable for harsh environments. Its broad operating temperature range of -40 to 70 °C guarantees reliable performance. The Schneider Electric XB4BW34B5 is essential for control panels in diverse industrial environments across Egypt and the Gulf, including cement plants, oil and gas facilities, water treatment stations, food and beverage processing, textile manufacturing, and building services.