Schneider Electric XB5AD21 Harmony XB5 Selector Switch, 22mm, 2 Positions, Stay Put, 1NO. The Schneider Electric XB5AD21 Harmony XB5 selector switch is a robust and reliable control component designed for demanding industrial environments. Featuring a durable dark grey plastic bezel and a black standard handle, this 22.5 mm mounting diameter switch offers two stay-put positions with a 90° rotation, providing clear and consistent control. It is equipped with a single Normally Open (1 NO) silver alloy contact, ensuring dependable slow-break operation. Engineered for longevity, the XB5AD21 boasts a mechanical durability of 1,000,000 cycles and high resistance to shock and vibration. Its superior environmental protection ratings, including IP67, IP69, IP69K, NEMA UL type 4X/13, and IK04, make it ideal for harsh conditions found in industries across Egypt and the Gulf. From the dusty operations of cement plants to the rigorous demands of oil and gas facilities, water treatment plants, and food and beverage processing, this selector switch delivers consistent performance. It operates reliably in ambient temperatures ranging from -40 to 70 °C, with a conventional free air thermal current of 10 A and a rated insulation voltage of 600 V. For a dependable control solution, request a quote for the Schneider Electric XB5AD21 Harmony XB5 selector switch today.