This illuminated selector switch with integral LED and standard knob provides a versatile and highly visible interface for controlling your machines It provides a clear help in setting your machines in various operating modes, even in darker control rooms, and with a clear visual feedback It is impact resistant, dust resistant, water resistant and vibration resistant, making it ideal for operation in harsh environments It is easily installed into a standard 30mm diameter panel cut-outs High performance International standards & certifications (Marine ABS certification, IP20, Type 1, 2, 3, 3R, 4, 12 and 13)