The AML51-C11A is a square pushbutton from Honeywell's AML51 series, intended for incandescent or non-lighted display switches and pushbutton-style indicators. Constructed from durable polycarbonate, it features a transmitted color display with a white cap and an amber color insert, providing bright and uniform color without a legend. The button measures 15.0 mm x 15.0 mm, offering a clean aesthetic for man/machine communication. It is designed for easy installation and is suitable for manual operations on control boards and panels in industrial equipment, process control, and medical instrumentation.