This LED light block is compatible with Harmony XB4 metallic and Harmony XB5 plastic range. It is used for pushbutton heads of diameter 22. The color of the light source is blue. Its robustness design LED allows to be used for specific application with overload risk like Marine, Hospital or direct wiring of loads at 230VAC The source of light is high protection integral LED and the overload capacity is 300VA at 230VAC and 120VA at 110VAC The connection terminal is screw clamp. The weight of the product is 17 grams. The rated supply voltage is 110 to 240 V AC. The simplicity of installation, flexibility, and robustness makes it suitable for the majority of industrial segments and applications. It has IP 20 protection degree. It is certified with EN/IEC, UL, CSA, and JIS. The packaging includes 5 units of this light blocks. It can be easily installed to a panel cut out with the help of a cross head screwdriver. The LED design with overload protection simplify mounting and reduce maintenance operation. It is eco-friendly and complies with directives such as RoHS, WEEE, etc. related to environmental protection.