HPS Sentinel G general purpose distribution transformers are rated for 600 volts and below. They are generally used for supplying appliance, lighting, heating, motorized machine and power loads from electrical distribution systems.Specifications:Type Designation: DH1-1Construction: VentilatedPrimary Voltage: 240 x 480 Volt ACSecondary Voltage: 120/240 Volt ACFrequency Rating: 60 HertzPower Rating: 37.5 Kilovolt AmpNumber of Phases: 1Winding Type: AluminumTemperature Rise: 220 Deg CEnclosure: NEMA 3RSize: 22.3 Inch Width x 23.8 Inch Depth x 26.7