Series ES‑11 Single Phase Encapsulated Transformers are designed to comply with Domestic, North American, and European Union electrical and testing standards. Series ES‑11 are UL and Canadian UL Listed by Underwriters Labs. In addition, Series ES‑11 are CE Marked, and licensed by the German testing agency TUV Rheinland under. Series ES‑11 transformers are the answer to your export needs. With the voltage combinations listed below, and built in approvals, the ES‑11 Series provide no‑nonsense solutions for equipment destined for the European Community of nations.