ERCO - die Lichtfabrik Licht statt Leuchten ERCO products We offer products for sophisticated architectural illumination (architectural lighting and interior design) from spotlights and recessed luminaires right up to intelligent lighting control systems. lightcontrol, spotlights, stella, eclipse, gimbal, pollux, TM-spotlight, castor, emanon, quinta, wash lights, wallwasher, optec, trion, ...