For seamless lighting concepts from exterior to interior: ERCO expands the universal Iku downlight range

Lüdenscheid, April 2025. As an integral element of architecture, light connects buildings to their context. It guides users seamlessly from outside to inside, contributing to a coherent narrative. Designers seek holistically designed lighting tools to achieve this effect. The expanded Iku downlight range by ERCO meets these demands for both new buildings and renovations: offering luminaires for indoor and outdoor use, in recessed and surface-mounted versions, as well as track-mounted downlights.

Modern architectural and urban planning concepts increasingly blur the boundaries between inside and outside, deeply integrating a building's spatial context. Design and usage processes follow a unified story, and lighting should also accompany users consistently, offering a holistic architectural experience. This is accomplished with lighting solutions conceived as holistic systems from the outset - such as ERCO's Iku downlight range. It blends the philosophy of perception-oriented lighting with exceptional energy efficiency, providing tools for almost any application: The existing Iku recessed ceiling luminaires and track downlights have been joined by new surface-mounted ceiling luminaires for interiors and recessed and surface-mounted ceiling luminaires for exteriors.

System design - the Iku advantage

This comprehensive system design range offers designers significant benefits: High-quality light, uniform light distributions and matching light colours are available across all applications. Standardised digital interfaces ensure seamless integration. ERCO lighting consultants provide premium service throughout the construction process. This applies to both new buildings and renovations, thanks to the easy installation of the new Iku surface-mounted luminaires.

Universal and efficient: Iku indoor surface-mounted luminaires

Ideal for rooms with solid ceilings or for straightforward modernisation projects, Iku surface-mounted luminaires deliver economic ambient lighting with wide or oval beam distributions. They are particularly suitable for circulation areas like hallways, staircases and foyers. Efficient Iku lens optics allow for greater luminaire spacing without compromising visual comfort. Three sizes and adjustable lumen packages ranging from 615 to 6192 lm enable tailored lighting solutions.

Withstanding the elements: Iku outdoor luminaires

Iku outdoor recessed and surface-mounted luminaires maintain exceptional light quality even under harsh conditions like moisture or dust. Featuring IP65 protection and corrosion-resistant materials, they are designed for long-term durability, in line with ERCO's Lighting Durability philosophy, which aims for a minimum service life of 20 years.

Like their indoor counterparts, Iku outdoor versions adhere to the "AAA" formula - Architecture, Activity, Atmosphere - offering downlight characteristics wide, extra-wide and oval flood distributions, and supplementing horizontal ambient lighting with vertical illuminance levels that are key to visual perception, such as on wall surfaces or facades.

Tunable White and Casambi are also available in the range

The AAA formula also incorporates digital connectivity and dynamic light colours for creating the perfect ambiance at any time of day or night. Bluetooth Casambi and Tunable White are available for the new luminaire families, with the Iku range delivering visual comfort, smart dimming and high-performance vertical lighting indoors and outdoors. Iku recessed luminaires embody the "light instead of luminaires" principle, while the surface-mounted versions allow up to 10,000 custom colours via the "ERCO individual" service to add design accents.

Technical features