HD11B,HS11B series protective opening knife switchDetailed product description：

The HD11B and HS11B series single throw and double throw protection knife switches are newly developed products derived from HD11 and HS11, and are ideal alternatives to HD11, HD11F, and HS11, greatly improving personal safety protection performance and preventing accidental electric shock. This series of products is mainly used in low-voltage distribution equipment for infrequent manual connection, disconnection, and isolation of power supply.

The HD11B and HS11B series protective opening knife switches comply with the GB14048.3-2002 standard.