{"id":37471,"date":"2026-09-17T08:00:00","date_gmt":"2026-09-17T07:00:00","guid":{"rendered":"https:\/\/jelproducts.nl\/?p=37471"},"modified":"2026-07-09T21:44:09","modified_gmt":"2026-07-09T20:44:09","slug":"how-to-choose-the-right-lighting-for-a-high-temperature-environment","status":"publish","type":"blog","link":"https:\/\/jelproducts.nl\/en\/blog\/hoe-kies-je-de-juiste-verlichting-voor-een-hoge-temperatuuromgeving\/","title":{"rendered":"How do you choose the right lighting for a high-temperature environment?"},"content":{"rendered":"

You choose the right lighting for a high-temperature environment based on the maximum ambient temperature, the presence of radiant heat, and the thermal properties of the fixture itself. Standard LED fixtures are generally designed for ambient temperatures up to a maximum of 40 to 50 degrees Celsius and fail quickly at higher temperatures. For industrial environments with extreme heat, you need fixtures that are specifically designed and certified for those conditions.<\/p>\n

This article answers the most frequently asked questions about lighting in high temperature environments<\/strong>: from temperature classes and material requirements to suitable lighting types for steel mills and practical maintenance tips.<\/p>\n

What temperature classes apply to industrial lighting fixtures?<\/h2>\n

Industrial luminaires are classified based on the maximum ambient temperature at which they can operate reliably. The most common classes range from a standard Ta of 25 to 40 degrees Celsius for office and warehouse lighting, up to Ta +60 degrees Celsius, Ta +85 degrees Celsius and higher for heavy industrial applications. Special products for the steel industry or foundries can even withstand up to +120 degrees Celsius.<\/p>\n

In addition to the ambient temperature, the heat generated by the LED driver and the luminous element itself also plays a role. A luminaire that cools well internally performs better and lasts longer than a product that has the same temperature class on paper, but is less thoughtfully constructed. The combination of housing material, heat sink, driver design, and the interlocking of heat dissipation together determine the actual temperature resistance.<\/p>\n

In environments with infrared radiation, such as near blast furnaces or casting processes, the radiation load is an additional factor that is independent of the air temperature. A luminaire may be able to withstand ambient air temperatures of 60 degrees Celsius but could fail under the direct radiant heat of molten metal. That makes the choice of High-temperature lighting<\/a> more complex than simply looking at the ambient temperature on the installation sheet.<\/p>\n

What happens to standard LED fixtures during extreme heat?<\/h2>\n

Standard LED fixtures degrade rapidly when exposed to temperatures above their design limit. The LED chip itself loses light output as the junction temperature rises, and prolonged overheating drastically shortens its lifespan. The driver, the most vulnerable component of an LED fixture, can fail completely if the ambient temperature is consistently too high.<\/p>\n

In practice, you see this reflected as lighting that fails more and more often, yellows faster, or provides significantly less light than at the time of installation. What seemed like an energy-efficient investment on paper becomes a financial burden due to frequent replacement and unplanned downtime.<\/p>\n

Specific consequences of using an unsuitable light fixture in a hot environment:<\/p>\n