Installation Keyhole slots permit individual or system surface-mounted installation. Connection For permanent connection with 230 V; built-in LED driver in luminaire. Single and start luminaires in systems are equipped with a 1.5 m connection cable 5 x 0.75 mm². System units are equipped with through-wiring (5 x 1.5 mm²) and a snap-in terminal block between the luminaire units. Use Configure for options on the type of connection cable and cable entry. Design Body finished in white (RAL 9016), silver (RAL 7035 metallic) or black (RAL 9005). End caps included with start/single luminaires. Louvre Opal – frosted acrylic diffuser (PMMA.) Beta Opti Nano– side and cross blade reflectors in satin matt, metallised aluminium with an integrated opal surface that minimises the risk of uncomfortable glare from the LEDs and multiple shadows.