Dark grey station, 1 green flush pushbutton Ø22 spring return 1NO “Start”. range of product: Harmony XALD – product or component type: complete control station – device short name: XALD – product destination: for XB5 Ø 22 mm control and signalling units – operator profile: 1 flush push-button – operators description: green ”START” 1 NO – marking location: marking on push-button – contact operation: slow-break.