1.0 kVA, Primary A: 4.5/2.3, Secondary A: 9.1/4.5, Primary V:190/200/208/220/380/400/415/440, V Secondary:110/220, Primary V:200/208/230/400/415/460, V Secondary:115/230, V Primary:208/240/415/480, V Secondary:120/240, requency: 60HZ, 1 Phase