This ITC Incandescent Indicator Bulb features a BA9s miniature bayonet base and operates at 24V. Designed for pilot lights, control panels, and indicator assemblies, it serves as a reliable, replaceable filament lamp for legacy industrial control equipment. Ideal for maintenance replacements where matching original equipment design and appearance is key, this bulb offers a straightforward solution for 24V control and indication circuits.The ITC Incandescent Indicator Bulb is a 24V lamp with a BA9s miniature bayonet base. It is designed for use in industrial control panels, pilot lights, and indicator devices. The lamp body has an approximate diameter of 10 mm and a height of 28 mm.