SolaHD Hazardous Location Transformers These heavy-duty encapsulated transformers have been designed for use in hazardous locations (Class 1, Division 2, Group A-D). They are also suited to harsh industrial environments. The encapsulation and rugged NEMA 3R enclosures help to provide protection from dust, moisture and also provide extra shock and vibration resistance. Available in both single and 3 phase options. Rated for hazardous locations and harsh industrial environments UL listed Available in both single and 3 phase options Single phase: 0.05 kVA to 0.250 kVA Single Phase: (0.50 → 25 kVA), 3 Phase (3 → 45 kVA) Conduit knockouts for side entry into roomy wiring compartment Copper lead wire terminations 0.500 kVA → 10 kVA units are encapsulated with electrical grade silica sand and epoxy for industrial applications