In industrial manufacturing and automation, control panels are the beating heart of your operations. When sensitive electronics like PLCs, VFDs, and motor drives operate inside sealed cabinets, the internal heat generated—compounded by high ambient facility temperatures—can quickly push equipment past its thermal limits. Implementing reliable electrical enclosure cooling is a critical requirement for avoiding premature component failure, nuisance breaker trips, and costly unplanned downtime.
If you enclose an electrical panel to protect it from harsh environmental factors like dust, dirt, or washdown water, you cannot simply cut ventilation holes or install standard exhaust fans. Fans merely circulate ambient, potentially contaminated air and often fail to actively reduce the internal temperature below the ambient facility heat. To maintain the specific NEMA rating of the enclosure while keeping the internal components cold, you need an active, sealed thermal management solution.
At Supreme Air Products™, we manufacture industry-leading cooling solutions engineered specifically to maintain safe operating temperatures while preserving the integrity of your cabinet’s seal. Our Cabinet Panel Coolers are designed to provide unparalleled protection and thermal management for your most critical electronics, completely avoiding the high maintenance, leaks, and failure rates typically associated with traditional freon-based AC units.
Operating solely on your facility’s standard compressed air, our electrical enclosure cooling systems utilize highly efficient vortex tube technology. The integrated vortex tube separates the compressed air into hot and cold streams with absolutely zero moving parts. The hot air is safely exhausted into the atmosphere through an integrated noise-dampening muffler, while the refrigerated cold air is injected directly into the electrical cabinet.
As the chilled air enters the enclosure, it actively displaces the rising hot air, purging it through a built-in pressure release exhaust vent. This continuous purging not only keeps your internal electronics freezing cold but also creates a slight positive pressure inside the panel. This positive pressure guarantees that dirty, humid, or corrosive ambient air is completely blocked from entering the cabinet, providing superior environmental protection.
Selecting the proper electrical enclosure cooling system depends heavily on your facility’s environmental hazards. We design our stainless steel panel coolers to meet the strictest environmental ratings:
Properly sizing your electrical enclosure cooling system is essential to prevent under-cooling and wasted energy. Our systems are available in a wide range of capacities to match the specific thermal load of your cabinet, from compact 550 BTU/hr units for small control boxes to robust systems for heavily loaded enclosures.
Below is the performance and specification data for our standard NEMA 12 and NEMA 4/4X Cabinet Coolers:
| Model No. | Capacity (Btu/hr) | Capacity (Watt/hr) | Air Consumption (SCFM @ 80 PSI) | Air Consumption (SLPM @ 5.5 Bar) | Sound Level (dB) |
|---|---|---|---|---|---|
| CPC0812-1 | 550 | 161 | 8 | 226 | 67* |
| CPC1512-1 | 1,100 | 322 | 15 | 425 | 73* |
| CPC2512-1 | 1,800 | 528 | 25 | 708 | 74* |
| CPC3012-1 | 2,060 | 603 | 30 | 849 | 74* |
| CPC4012-1 | 2,800 | 821 | 40 | 1,132 | 79* |
| CPC5012-1 | 3,400 | 996 | 50 | 1,415 | 74* |
| CPC6012-1 | 4,000 | 1,171 | 60 | 1,698 | 76* |
