Structure: button polycarbonate with figure in relief according to EN 81-70 and Braille. flanged plastic black. Front mount and mounting bracket (thick faceplate min. 0.8 max. 3mm). Moving part: polycarbonate with stainless steel polished. figures enlighten raised in thermoplastic material,. activation overhead. Contacts: microswitch, 1 or 2 contacts. Connection: Terminal. Lighting: Light: figures in relief and contour enlighten upon activation. Dual light: Figures in relief are bright, the contour is illuminated upon activation. Run button: 2 mm. Shelf-life: 1.5 million pulses (24V, 20 mA). IP rating: IP51. Former reference: BT-BX-EQUINOX-SIMPLE