Resin Encapsulated Transformers, these general purpose transformers accommodate voltage systems world wide. Resin-filled general purpose transformers are epoxy encapsulated. The enclosure has no openings, making resin-filled transformers ideal for use indoor or outdoor where airborne particles or contaminants could be detrimental to operation. The core-and-coil assembly is embedded in an epoxy resin compound and wall mounted for maximum protection. Type 3R enclosure are designed to allow energy efficient transformers to be installed in environments requiring more protection. This Dry Sealed Transformer that is 1 phase, and has a rated power of 3 KVA. This transformer has a primary voltage of 277 V, and a secondary voltage of 120/240 V. The enclosure for this transformer has a NEMA 3R rating, and is wall mounted, and made of painted sheet steel. Dimensions for this transformer are 10.5 in (H), 8.62 in (W), 6.5 in (D). This product complys to UL & CSA standards.