Certos EVO is a flexible and smart luminaire with high luminous flux and D4i driver as standard. It’s IP66 rating and possibility to manage high surrounding temperatures suits demanding environments – like industrial facilities and warehouses. Certos EVO can be delivered with different optics and accessories for various applications. The lens optics provide a low glare and high uniformity for a well-illuminated environment.
Certos is an effective IP65 LED luminaire with a luminous flux of up to 34 560 lumens (+/- 10%). It is ideal in industrial areas, warehouses and sport arenas. Different optics and emergency versions available for various applications. SDCM 3 and IK10+ for PC covers and lenses, and IK08 for glass panel.
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A suspended luminaire (pendant light) often solves several challenges at once. Not only do they provide direct light onto a work surface, but they can also deliver indirect light towards the ceiling, softening the overall impression of the room. It’s about creating a lighting environment that works in real life, day after day, without you really thinking about it. Function is at its best when it simply exists in the background.
A pendant luminaire, or hanging luminaire as it is also known, from us is designed to stand the test of time—both aesthetically and technically. We focus on high energy efficiency, long service life, and light quality that truly makes a difference. By combining robust materials with smart functions such as daylight control or presence sensors, we create lighting that adapts to real needs while saving energy. It is an investment in a better lighting environment.
A suspended luminaire is a lighting fixture that hangs down from the ceiling using one or more wires or a rigid pendant.
This ranges from single pendants over a private kitchen table to lighting solutions for large industrial facilities. The suspension itself is what defines them and gives them their flexibility. It allows light to be positioned exactly where it is needed, at a specific height, regardless of the actual ceiling height. This is why suspended lighting is such a common and effective solution for everything from offices to warehouse lighting—it gives you control over the light.
Hanging luminaires are actually one of the most versatile lighting solutions available. Their adaptability makes them well suited to a wide range of environments, from small home offices to large public spaces. They can be used both to create focused task lighting and soft general illumination.
Offices and Workspaces: Above desks, suspended office luminaires are almost a standard solution. A linear pendant provides even, glare-free light across the entire work surface. Models with direct and indirect light reduce contrasts in the room and create a more comfortable working environment. Low glare requirements—often UGR 19—are important here to prevent eye strain.
Meeting Rooms: A dimmable round pendant or a minimalist track luminaire above a conference table provides both functional light for note-taking and a more relaxed atmosphere for presentations. Some models, such as acoustic luminaires, also help to reduce noise levels in the room.
Schools and Libraries: In classrooms and libraries, suspended lighting provides focused, flicker-free light that supports concentration. Light quality, measured by the Ra (CRI) index, is especially important here to ensure accurate colour rendering.
Retail and Showrooms: Here, suspended luminaires are used to create zones and direct attention to specific products. A single pendant can highlight a display window, while linear or system luminaires provide general lighting.
Home Environments: A suspended luminaire over a kitchen island or dining table is a classic solution. They work just as well for general lighting in rooms with high ceilings. There are even pendant luminaires with pull switches for a more traditional feel.
The main reason to use suspended luminaires is control and light quality. A ceiling-mounted fixture often produces flat, rather dull lighting. With suspended luminaires, you can create dynamics and adapt the lighting to the room’s function or architecture in a completely different way. It’s about using light as a tool to shape space.
One of the key technical advantages is the ability to combine light distributions. Many suspended LED luminaires offer indirect light. This means that part of the light is directed downwards towards the work surface, while another part is directed upwards towards the ceiling. The light reflected from the ceiling spreads softly throughout the room, reducing harsh shadows.
Linear suspended luminaires have become extremely popular—and it’s easy to understand why. They offer a clean, minimalist aesthetic while delivering high-performance lighting. The option for dimmable LED pendants is now standard, and with technologies such as Tunable White, adjustable colour temperature is also available. This allows you to change the character of the light from a warm and cosy 3000K to a more neutral and energising 4000K, depending on the time of day and activity.
Technical specifications such as lumen output, beam angle, and service life (often specified as L80 lifetime) are critical to ensuring the right light in the right place over a long period of time. A luminaire with an IP20 rating is intended for dry indoor environments. Choosing a glare-free luminaire is essential—especially when a pendant is installed above a desk.
A good rule of thumb is for the lower edge of the luminaire to hang approximately 70–90 cm above the desk surface. This provides enough clearance for comfortable work without the fixture being in the way, while still being close enough to deliver focused, efficient light without glare.
The benefit is a much more comfortable lighting environment. The direct light provides functional illumination on the work surface, while the indirect light is reflected via the ceiling and creates soft ambient lighting. This reduces contrast and harsh shadows, helping to prevent eye fatigue.
UGR stands for Unified Glare Rating and is a measurement of discomfort glare. UGR < 19 is the standard requirement for lighting in workplaces where people read, write, or work at a computer screen. A luminaire that meets this value ensures a glare-free and visually comfortable environment.
Yes, absolutely. Pendant luminaires are actually an excellent solution for rooms with suspended or modular ceilings. The suspension is fixed to the structural ceiling above, with wires or pendants passing down through the ceiling tiles. This creates a clean and stable installation.
The choice of lumens (luminous flux) depends on the room size, ceiling height, luminaire placement, and the intended use of the light. For general office lighting, around 300–500 lux on the work surface is often recommended, achieved with an appropriately specified lumen package. A lighting planner can help calculate exact requirements.
The difference lies in colour temperature. 3000K provides a warm white light that feels more relaxing and welcoming, similar to traditional incandescent lighting. 4000K provides a neutral white, crisper light that feels more energising and can enhance concentration. 4000K is the most common standard, including for sports halls and office environments.
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