Gas Transformer; Primary Voltage 250 Volt AC; Secondary Voltage 10000 Volt AC; Frequency Rating 60 Hertz; Power Rating 250 Volt Amp; Terminal Type Large Spring Contact; Type Mid Point Ground; Hinge Location End Hinge; Number of Poles 2; Voltage Rating 120 Volt AC; Loading Air Gap 1/8 to 3/16 Inch; Temperature Rating -40 to 80 Deg C (Storage), -30 to 40 Deg F (Operating); Operating Relative Humidity 90 Percent; Includes Mounting Plate and Barrier Gasket Mounting Plate Clip; Application Residential, Industrial, Commercial Gas Furnace