Structure: button polycarbonate with figure in relief according to EN 81-70 and collars polycarbonate colors or steel (various shapes and colors available). front mounting clamp with screw (thickness plastron min. 0.8 max. 5 mm). Moving part: polycarbonate with stainless steel (polished stainless steel or PVD). figures in relief in light thermoplastic material. Contacts: microswitch or tact FR switch, 1 or 2 contacts. Wiring: PIN connectors, terminal or pre-wiring (Pitagora System). Lighting: LED 12V or 24V AC/DC. Run button: 1.1 mm. Shelf-life: 1.5 million pulses (24V, 20 mA). Level of protection: IP51. Former reference: BT-BL-LIGHT