This selector switch provides a versatile interface for controlling your machines,It provides an effective manner to set your machine in various operating modes,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 and is easily connected to control circuits,High performance International standards & certifications (Marine ABS certification, Type 1, 2, 3, 3R, 4, 4X, 12 and 13)