Schneider Electric XB4BA45 Harmony XB4 Push button, flush, red, unmarked, 1NO+1NC. The Schneider Electric XB4BA45 is a robust 22.5 mm metal-bezel push-button from the Harmony XB4 series, designed for industrial control applications. Featuring a flush red unmarked operator with spring return, this unit is equipped with 1 NO + 1 NC slow-break contacts for reliable control. Its chromium-plated metal bezel and Zamak fixing collar ensure durability, while screw clamp terminals provide secure electrical connections. With an operating temperature range of -40 to 70 °C, the XB4BA45 is built for harsh environments. It boasts impressive protection ratings, including IP66, IP67, IP69, IP69K, NEMA UL type 4X/13, and IK06, making it suitable for demanding applications. The rated insulation voltage is 600 V, and it offers a mechanical durability of 10 million cycles. For AC-15 control, it supports 3 A at 240 V. This push-button is an ideal choice for a wide array of industrial applications across Egypt and the Gulf region, including control panels in cement plants, oil and gas facilities, water treatment stations, food and beverage processing, textile manufacturing, and building services. Its robust design and versatile contact configuration make it a reliable component for essential machinery control.