Custom Cabinet Coolers for Electrical Enclosures

Exair’s cabinet coolers can be customized to provide cooling within electrical enclosures in NEMA 12, NEMA 4, NEMA 4X and hazardous location environments.

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These customizations include specific Btuh values from 275-5600 Btuh, adaptations for high temperature environments up to 200°F (93°C), and a selection of materials including aluminum, Type 303SS and 316SS to combat corrosive environments. For dirty and dusty environments, a non-hazardous purge option will create a positive pressure inside the cabinet to keep dirt and debris from entering your control panel. All systems are UL Listed and CE compliant.

Additional customizations include settings to maintain a specific cabinet temperature, special coatings, high temperature materials, special cold air distribution kits and more. The coolers, from compressed air products manufacturer Exair, are a low-cost way to purge and cool electrical control panels. They convert an ordinary supply of compressed air to cold, 20°F air without refrigerants. The cold air is circulated through the enclosure to eliminate heat damage and control shutdown.


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Coolers can be installed in minutes through a standard electrical knockout hole. Optional thermostat control minimizes compressed air use. There are no moving parts to wear out and no maintenance is required. Applications include cooling PLCs, microprocessors, variable frequency drives, industrial computers, and robotics.

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