Schneider Electric Orange Pilot Light Head, 22mm Cutout ZB5 Series. This pilot light features a round shape and a plastic material construction. It is a Better World Product verified as Green Premium. MPN: ZB5AV05S. EAN: 3389110072198. Suitable for one built-in signal light. Features a yellow lens and a black plastic front ring. The lens construction is round. It has a hole diameter of 22.5mm and a front side degree of protection IP66.