Explosion proof mini-wall mount air conditioners, or cabinet coolers, are typically furnished to cool electronic enclosures, analyzer cabinets, and control panels. The cabinet is rated NEMA 12 with optional NEMA 3R and NEMA 4X stainless steel construction. Several styles are available to fit varying cabinet sizes. Sizes range from 800 to 42,000 BTUH cooling. All units may also be marked with the US and Canadian Class I/ Zone system upon request (example: Class I, Zone 2, group IIB+H2). WMBX series are CSA (C/US) certified for Class I, Division 2, Groups B, C, D hazardous (classified) locations. WMBX-C1 series explosion-proof mini-wall mount air conditioners are for Class I, Division 1, Groups C, D hazardous (classified) locations.