Autotransformer, Input Voltage 347 to 480 V, Output Voltage 277V AC, Input Power 375 W, Power Output 480/277W, 375 VA Rating, Input Current 0.84 A, Output Current 1.354 A, Ballast Factor 0.85, Power Factor 0.93, Height 1.69 in, Length 11.69 in, Width 1.19 in, Ambient Temp. Range 0 to 50 Degrees C, Min. Starting Temp. -20 Degrees F, Standards UL Listed. This item has been restricted from sale in the following state (s): []