This pendant empty enclosure is easily installed into a standard 30mm diameter panel cut-outs It provides a clear help in setting your machines in various operating modes It is impact resistant, dust resistant, water resistant, corrosion and vibration resistant, making it ideal for operation in harsh environments High performance International standards & certifications (Marine ABS certification, IP66, Type 1, 2, 3, 3R, 4, 4X, 12 and 13)