For decades, the only explosion protection technology available in North America was the cast metal enclosure systems designed for Class I, Division 1 environments, also known as NEMA 7 explosionproof enclosures. Today, more than 3/4 of hazardous location installations are done in Class I, Division. . Manufacturer of closed-loop explosion proof cabinet air conditioners for cooling, dehumidifying, and recirculating clean air within the electrical cabinet and through the heat producing components, providing regulated temperature, humidity, and airborne contaminant control. What Is An Explosion Proof Box or Enclosure? They are a cast aluminum or iron box that can withstand a heavy-duty explosion. . Kleev stands at the forefront of safety and innovation, offering a range of explosion-proof enclosures tailored to meet these stringent safety requirements. But with various materials, configurations, and regulatory standards to consider, choosing the right cabinet can be more complex. .