Protecting electrical control panels from environmental contaminants is just as important in thermal management as cooling the equipment inside the enclosure. Moisture, dust, and other particles can cause serious malfunctions or even total system failure if they enter and interact with sensitive electrical components. Traditional cooling methods, such as air conditioning, can provide some protection against these risks. But what about condensation that forms inside the enclosure?

What Causes Condensation?

With air conditioning, condensation is often unavoidable. The air inside the control panel is constantly chilled below the dew point, and as it interacts with the heat within the enclosure, small droplets of water form. If this condensation reaches electrical components, it can cause short-circuits, malfunctions, or complete failure. Long-term exposure to moisture can also lead to corrosion and rust, rendering a system useless. To avoid these risks, more companies are turning to heat exchangers to cool their control panels.

Better Protection with Heat Exchangers

Heat exchangers offer superior protection thanks to their efficient, eco-friendly, and largely automated heat transfer processes. Instead of chilling the inside of the enclosure, they redirect heat so it doesn’t accumulate into dangerous hot spots. Many heat exchangers operate as closed-loop systems, providing continuous protection by keeping cooling fluids completely isolated from sensitive electrical circuits. Their high ingress protection ratings also make them ideal for many NEMA-class enclosures that demand higher-than-standard levels of protection.

To learn more about how heat exchangers can prevent condensation inside control panels, contact Noren Thermal, Inc. in Taylor, TX, at 512-595-5700.

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