HPS proudly offers a variety of transformer types and energy efficiency levels to meet your most demanding applications. Regardless of your global location we have a transformer that fits your application needs, designed, tested and certified accordingly. Their Sentinel product lines meets North American efficiency standards: US-DOE 10 CFR Part 431 (DOE 2016); Canada-SOR/2018-201, Amd. 14 (NRCan 2019) & Ontario Reg. 404/12.