产地:上海 型号:X3/X2/X28/X210/X310/X320 X系列大小有四种规格，结构相同 X2/X3 间距7.62mm 300V/10A X28/X38 间距8.5mm 300V/10A X210/X310 间距10mm 300V/15A X220/X320 间距12.5mm 500V/30A