<p>Switch accessories are electromechanical switch devices which are used to make or break the contacts in an electrical circuit. They act as a physical interface between the electrical system and the real world. Honeywell's AML51 series buttons/lens are designed for use with switches and indicators and are easy to install. These switch accessories have an attractive appearance and are used in a variety of applications such as manual operations, including control boards and panels in industrial and test equipment, computer mainframes and peripherals, process control and medical instrumentation.</p> <p>AML51-A10R Industrial Electrical Switch Accessory from Honeywell features polycarbonate construction for ruggedness and durability. This Honeywell switch comes in square and rectangular shaped buttons with a variety of colors including red, yellow, green, blue, and more.</p>