Schneider Electric Harmony XB4 Series Illuminated Push Button. This panel mount push button features a 22mm cutout and SPDT functionality. It is illuminated with a green, round push button style. The product is Green Premium verified, with a maximum AC voltage of 600V and an operating temperature range of -25°C to +70°C. Manufacturer Part No: XB4BW3365. The connection type is screw connection, with a metal front ring in chrome finish and an IP66 degree of protection. It includes one normally open contact and one normally closed contact.