range of product: Harmony XALD product or component type: complete control station device short name: XALD product destination: for XB5 O 22 mm control and signalling units control station application: two functions colour of base of enclosure: light grey RAL 7035 colour of cover: dark grey RAL 7016 material: polycarbonate operator profile: 2 flush pushbuttons operators description: white ''up arrow'' 1 NO - black ''down arrow'' 1 NC control station composition: 1 flush push-button black 1 NC white down arrow marking,1 flush push-button white 1 NO black up arrow marking marking location: marking on pushbutton contacts operation: slow-break