Primary Voltage 575/600 V; Secondary Voltage 120 X 240 V, 115 X 230 V; 50/60 Hz; Power Rating 150 Va; Insulation Class 105; Screw Terminal; Temperature Rise 55 Deg C; 0.38 Inch L X 0.2 Inch W Slot Mounting; Size 3.75 Inch W X 3.59 Inch D X 3.2 Inch H