... AC 660V and be The switch is consisted of underpan, base, cover, handle and shield. NT series ... handle moves fan-shapely based on the pivot of underpan,makes the cover and fuse make and break ... And it is convenient to dismount the base and underpan, which is easy to mount the base to ... safely and reliably. There is arc extinguisher on the underpan, which ensures breaking capability of the switch. Fuse ...