Schneider Electric 9001K1L This illuminated push-button with full guard provides an ergonomic and visual interface for controlling your machines It is clearly distinguishable visually at a distance thanks to its illuminated head It is impact resistant, dust resistant, water resistant and vibration resistant, making it ideal for operation in harsh environments It is easily installed into a standard 30mm diameter panel cut-outs and is easily connected to control circuits 30MM ILLUM PUSH BUTTON TRANSFORMER 120V