EXAIR Cabinet Coolers: The Solution For Overheating Enclosures

NEMA 4X Cabinet Cooler
EXAIR NEMA 4X Cabinet Cooler keeping an enclosure cool and keeping out dirt, debris, and liquid.

We recently hosted our distributor from Mexico and during the visit took the opportunity to discuss an array of topics, one of which was Cabinet Coolers.  With the onset of summer in the Northern Hemisphere, seasonal temperature swings are sure to bring overheating electrical panels and component failures.

One of the topics that is always of interest, is the method and math used to calculate heat load.  We teach our distributors how to determine heat load based on enclosure size, current conditions, desired conditions, and maximum conditions.  And, we even teach them how to accommodate for fans that may already be installed on an enclosure.  (Quick note – if installing a Cabinet Cooler onto an enclosure with a fan, the fan must be removed and the opening must be sealed to ensure proper operation and humidity control.)

But, many of our end users or OEM customers may not want to spend an hour or two learning about Cabinet Coolers, so we staff our Application Engineering department with competent engineers who can do the calculations for you and get you a quick recommendation. EXAIR Application Engineers are well versed in the intricacies of calculating heat load, how temperature and application specifics can require a special model number, best practices for installation, and a many other areas relevant to our customers.

As things start to heat up, keep your enclosures cool and contact an EXAIR Application Engineer.

Lee Evans
Application Engineer
LeeEvans@EXAIR.com
@EXAIR_LE

Keep it Cool…And Clean…And Dry

Summer is in full swing for us in the U.S.  The temperatures and humidity are high, the sun is shining, and EXAIR Application Engineers are calculating heat load for overheating electrical enclosures to help customers determine which Cabinet Cooler system will remove the heat and eliminate associated problems. With the variety of applications for EXAIR Cabinet Coolers comes a variety of problem solutions.  For example, we may cool the temperature of an enclosure, and, we may also prevent dust or water from entering the enclosure.

Cabinet Cooler Panel

This is exactly what EXAIR can offer in the application shown above.  As you can see, the enclosure has remained open in a dirty environment in an attempt to solve an overheating condition.  This, in turn, has allowed dirt from the surrounding area to enter the enclosure and infiltrate the electrical devices.  An attempt to solve one problem has created another.  By installing an EXAIR Cabinet Cooler, this end user is able to cool the electronic components AND keep the enclosure contaminant free, solving two problems with one device. Also note that keeping an electrical panel doors open exposes personnel to dangerous situations if they come in contact with the exposed wires and connections.

EXAIR Cabinet Coolers have the potential to end an overheating condition AND prevent dirt from entering the enclosure by creating a slight positive pressure inside the cabinet. There is no need to worry about water entering the enclosure if you are in a wash-down or high humidity environment because they are UL listed for NEMA integrities of NEMA 12, NEMA 4 and NEMA 4X. NEMA 12 integrity protects against dirt, dust, and oil. NEMA 4 integrity is dust tight, oil-tight, splash resistant and indoor/outdoor service. NEMA 4X integrity offers the same protection as NEMA $ but is available in 303 and 316 stainless steel to provide for food service and corrosion resistance. To find out more about what an EXAIR Cabinet Cooler can do for your application, contact an Application Engineer.

Lee Evans
Application Engineer
LeeEvans@EXAIR.com
@EXAIR_LE