Thisoperator with a single potentiometer provides an ergonomic and visual interface for controlling your machines It is clearly distinguishable visually at a distance thanks to its illuminated head and clear color For the type SK the resistance of the potentiometer is 2.5KOHM It is water resistant, dust resistant and impact resistant, making it ideal for operations in harsh environment It is easily installed into a standard 30mm diameter panel cut-outs and connected to control circuits High performance International standards & certifications (Marine ABS certification, IP20, Type 1, 2, 3, 3R, 4, 12 and 13)