MAIN CHARACTERISTICS range MERTEN SYSTEM M range of product MERTEN SYSTEM M aesthetic name M-ARC product or component type ROCKER WITH INDICATOR colour tint ACTIVE WHITE colour code RAL 9016 wiring device additional information WITH LIGHTING WINDOW market segment RESIDENTIAL COMPLEMETARY CHARACTERISTICS product destination SINGLE SWITCH material POLYCARBONATE BRILLIANT surface treatment ANTIBACTERIAL marking WITH SYMBOLS fixing mode BY CLAMP