Schneider Electric XB4BA922 Manual overload reset push button, Harmony XB4, black flush, 22mm, for 130...257 mm actuation distance. This manual overload reset pushbutton provides a complete interface to your machines with a single panel cut-out Its schematic is clearly distinguishable thanks to clear colors, minimizing errors during initial wiring and later maintenance operations It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66, making it ideal for operation in harsh environments It is easily installed into a standard 22mm diameter cut-outs High performance International standards & certifications ( Marine certification, IP66 IP67 IP69 IP69K, Type 4X). Official Schneider characteristics include Range of product: Harmony XB4; Product or component type: Manual overload reset push-button; Device short name: XB4; Bezel material: Chromium plated metal; Fixing collar material: Zamak; Head type: Standard; Mounting diameter: 22.5 mm; Operator profile: Black flush, unmarked. Harmony XB4 devices use a chromium-plated metal bezel and are designed for robust panel operation where clear manual control, indication or machine safety interfaces are required.