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 connected to control circuits with simple screw-clamp connections High performance International standards & certifications (Marine ABS certification, Type 1, 2, 3, 3R, 4, 6, 12 and 13)