SGL-63-Ⅱ,SGL-100-Ⅱ,SGL-125-Ⅱ,SGL-160-Ⅱ,SGL-200-Ⅱ,负荷隔离开关 SGL-250-Ⅱ,SGL-315-Ⅱ,SGL-400-Ⅱ,SGL-500-Ⅱ,SGL-630-Ⅱ,SGL-800-Ⅱ, SGL-1000-Ⅱ,SGL-1250-Ⅱ,SGL-1600-Ⅱ,