保护系统系列：主电源电压 AC220V, 380V-480 VAC10% 辅助电压 AC220V15% 50/60Hz 额定电流20A-750A保护型系列（含保险丝）
JK22020SF, JK22030SF, JK22050SF, JK22060SF, JK22080SF, JK22100SF, JK22125SF, JK22160SF, JK22180SF, JK22200SF, JK22300SF, JK22400SF, JK22500SF,JK38020SF, JK38030SF, JK38040SF, JK38050SF, JK38060SF, JK38080SF, JK38100SF, JK38125SF, JK38160SF, JK38180SF, JK38200SF, JK38300SF, JK38400SF, JK38500SF, JK38600SF, JK38750SF
现货单相调功器JK22200SF,JK38160SF