... maintain 1.voltage stead-state regulation±1%, fluctuation ratio 1.5% ,transient-state regulation -15~20%, stead time 5s, ... frequency stead-state regulation 5%, fluctuation ratio 1.5%, transient-regulation ±1%stead time5s,2.the ... 5STC-8STC-10STC-12STC-15(ST-15)(ST-3)(ST-5)(ST-8)(ST-10)(ST-12)Rated freq. ( ... 60Rated voltage(V)400/230Rated current(A)5.4(13/25)9(21.7/43.5)14.4(32.6/65.2 ...