This spare Harmony incandescent bulb has a BA9s base fitting and a power dissipation of 1.2W. It is an incandescent clear bulb, a lighting accessory for Harmony illuminated pushbuttons. It is supplied with 6V AC/DC. Its simple and modular design allows easy installation. Simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists. Designed to fit with a standard 22mm control and signaling units, ensuring compatibility when installing in pre-existing machinery. The bulb weighs 2gr and has a diameter of 11mm. It is compatible with Harmony XB4, XB5, and XB7 illuminated pushbuttons. It is sold in lots of 10. Harmony delivers an innovative and ergonomic design that improves the reliability of panels, machines, and processes.