HD11F/HS11F series protective open knife switch

Hd11f and hs11f series single throw and double throw protective knife switches are new products developed by our company on the basis of HD11 and HS11. They are ideal substitutes for HD11, hd11f and HS11, which greatly improve personal safety protection performance and prevent electric shock. This series of products are mainly used in low-voltage distribution equipment for infrequently connecting, cutting and isolating power supply manually.