Current range 100A ~ 630A, three shell frame specifications & bull; For three pole products, DIN standard fuse & bull; Transparent window design, you can view the operation of internal fuse & bull; Visual breakpoints ensure the safest and most reliable isolation & bull; Upper and lower outgoing lines without capacity reduction & bull; Complete accessories to meet various needs of customers & bull; Warranty period: 18 months, superior security guard, flexible overall situation & bull; Transparent window design & bull; Visual breakpoint & bull; Upper and lower outgoing lines & bull; Complete accessories & bull; Isft fuse disconnector (also known as knife fuse switch), 100A ~ 630A & bull; It is widely used in reliable isolation, capacitor protection in capacitor cabinet and other places