This Schneider Electric Harmony™ XB4 flush white marked pushbutton cap has a round shape with up arrow symbol. It is compatible with Harmony™ XB4 and XB5 pushbuttons. This pushbutton cap provides an ergonomic interface for controlling your machine thanks to its flush element. It is supplied ready engraved with a marking relevant to machine operation. It is easily installed and replaced on compatible complete pushbutton units.