For a production hall, you should best choose industrial LED high bay fixtures with a high lumen output, an IP rating suitable for the environment, and a light color between 4000K and 5000K. The exact choice strongly depends on the free height, the nature of the work performed, and any special circumstances such as dust, moisture, heat, or vibrations. Below, we answer the most frequently asked questions about LED lighting for production halls, from basic requirements to smart all-in-one solutions.

What are the lighting requirements for a production hall?

A production hall places high demands on lighting because safety, productivity, and continuity directly depend on good visibility. The lighting must provide sufficient lux at the work floor level, withstand environmental conditions, and last a long time with little maintenance. For most production halls, a minimum illuminance of 300 to 500 lux at the work surface applies, depending on the precision of the tasks.

Besides brightness, these factors play an important role:

• IP rating protection against dust and moisture, minimum IP65 in wet or dusty environments
• IK rating: mechanical impact resistance, important for vibrations or machine movements
• Temperature resistance The fixtures must operate within the hall's temperature range.
• Color Rendering Index (CRI): minimum of 80 for general work, higher for quality control or color inspection
• Glare Control (UGR) a low UGR value prevents glare during prolonged work
• Ease of maintenance High-level fixtures must last a long time without replacement

Many production halls run 24/7, which means the lighting cannot be a weak link. Reliability is not a luxury, but an operational requirement.

What is the difference between high bay and low bay LED fixtures?

The distinction lies in the mounting height for which the luminaire is designed. High bay fixtures are suitable for ceilings of approximately 6 meters and focus the light more directly to achieve sufficient lux on the work floor. Low-bay fixtures are intended for lower spaces up to approximately 6 meters and spread the light wider over a smaller area.

In practice, the free height of the production hall determines which type you need. An assembly hall with a 4-meter ceiling requires a different approach than a warehouse or steel hall with a peak height of 12 meters. Highbay fixtures typically have a higher wattage and a specific optic that directs the light downwards without too much light loss on the sides.

If you choose a high bay in a space that is too low, you will get hotspots and uneven lighting. If you use a low bay in a high hall, you will not achieve the required illuminance. Therefore, the correct choice begins with a proper measurement of the space.

Suitable light color and illuminance level for a production hall

For most production halls, a light color from 4000K to 5000K the best choice. This is neutral to cool white light that supports alertness, provides good contrast, and works pleasantly during the day. The illumination level is typically between 300 and 750 lux on the work surface, depending on the accuracy of the tasks.

If you want to learn more about the technical background of light color and color temperature, read on to the page about light color and Kelvin.

A few guidelines for the illumination level:

1. Roughly mechanical work or storage: 200 to 300 lux is sufficient
2. General production and assembly: 300 to 500 lux on the work surface
3. Precise work, quality control, or color inspection: 500 to 1000 lux, with a high CRI (90+)
4. Workplaces with screens or precision mechanics: The UGR value (glare) must also be low, typically below 22

Higher Kelvin values (5000K or higher) are sometimes chosen for night work areas or rooms without daylight because they promote alertness. Lower values (3000K to 4000K) are more pleasant for extended stays but less suitable for precise visual tasks.

How to choose LED lighting for heavy-duty or extreme conditions

In environments with extreme heat, intense cold, corrosive substances, or explosion hazards, standard LED fixtures are not suitable. The choice begins with a thorough analysis of the environmental conditions, followed by fixtures specifically designed and certified for those conditions.

Consider the following situations and associated requirements:

• High temperatures (steel mills, foundries): fittings resistant to infrared radiation and ambient temperatures up to +120°C
• Low temperatures (cold rooms, climate chambers): Reliable operation down to -45°C, including cold start without delay
• Corrosive environments (chemical, offshore, seaports): stainless steel housings or special coatings, high IP rating
• Explosion hazard zones ATEX-certified luminaires are legally required
• Heavy vibrations (heavy machinery, cranes): luminaires with mechanical shock absorption and high IK rating

For more information on lighting in specific extreme circumstances, such as High-temperature lighting, it is wise to include those environmental requirements in the selection phase. A fixture that meets the requirements on paper but is not certified for the specific application does not meet legal requirements and can be dangerous.

What does a lighting calculation provide for a production hall?

A lighting calculation provides insight into how many fixtures you need, where to place them, and whether you achieve the desired illuminance and uniformity. Without a calculation, you're working on instinct, leading to over- or under-lighting, unnecessary energy costs, or a subsequent reinstallation.

Specifically, a lighting calculation shows:

• The average illuminance level (lux) on the work surface
• The uniformity ratio: how evenly the light is distributed
• Any dark zones or hotspots
• The required number of fixtures and the optimal placement
• Estimated energy consumption and payback period for replacing old lighting

For larger halls or complex layouts with machines, shelving, or multiple workspaces, a 3D simulation is valuable. It provides a realistic view of light distribution and helps optimize the installation before the first fixture is even hung.

When is it smart to choose a complete solution instead of just fixtures?

Only purchasing fixtures works fine if the installation is simple, the environment is standard, and the technical requirements are limited. But as soon as the project becomes more complex, it is beneficial to choose a party that takes care of the entire process, from design to commissioning.

A total solution is wise when:

• The hall has large or irregular dimensions
• There are extreme conditions (heat, cold, corrosion, risk of explosion)
• The installation takes place at height and requires specialized equipment.
• Light poles, foundation, or wiring are part of the project
• Are certifications or technical documentation required for safety or insurance?
• Production can hardly or not at all be halted during installation

In these cases, an integrated approach prevents miscommunication between suppliers, ensures a clear point of contact, and reduces the risk of errors that can be costly later on.

Real-world example: High-Temperature Industry – Rockwool

At Rockwool, a manufacturer of stone wool insulation materials, high ambient temperatures, intense infrared radiation, and a dust-filled atmosphere posed significant lighting challenges. Standard LED fixtures quickly fail under these conditions due to overheating or optical degradation. The solution involved implementing high-temperature floodlights, capable of withstanding ambient temperatures up to +120°C, equipped with effective heat dissipation and infrared radiation protection. Placement was carefully calculated to ensure the required lighting levels even in hard-to-reach areas. The result: a reliable, durable lighting installation that suits Rockwool's extreme production environment. More project examples can be found at JEL Products's Projects Page.

How JEL Products Helps with LED Lighting for Industrial Facilities

JEL Products helps companies select, design, and install LED lighting for manufacturing facilities, ranging from basic facility lighting to complex environments with demanding requirements. Our approach is practical and technically sound.

What JEL Products offers:

• Customized technical advice, tailored to the specific environmental conditions of the hall
• Lighting calculations and 3D simulations for optimal fixture placement
• Lighting fixtures from our own brands, DCbright and DarkLicht, designed for heavy-duty industrial applications
• Specialized solutions for extreme temperatures, corrosion, and ATEX environments
• Guidance of the entire process: engineering, installation, commissioning, and maintenance
• ISO9001 and VCA** certified working method

Whether it's a new hall, a renovation, or a specific technical question, a good lighting solution starts with a good conversation. Get in touch and discuss the possibilities for your production hall.

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