HD, HS Series Open Knife SwitchesDetailed product description：

The HD series and HS series single throw and double throw knife switches are suitable for use in complete power distribution equipment with AC 50Hz, rated voltage up to 380V, DC up to 220V, and rated current up to 1500A. They are used for infrequent manual connection and disconnection of AC and DC circuits or as isolation switches. among which

HD and HS series open knife switches

1.1 The central handle type single throw and double throw knife switches are mainly used in power stations, without cutting off circuits with current, and are used as isolation switches.
1.2 Side operated handle type knife switch, mainly used in power boxes.
1.3 The central front lever operating mechanism knife switch is mainly used in the switchgear for front operation and rear maintenance, and the operating mechanism is installed in the front.
1.4 Side front lever operated knife switch is mainly used in switch cabinets for front two operation and front maintenance. The operating mechanism can be installed on both sides of the cabinet.
1.5 Knife switches equipped with arc extinguishing chambers can cut off current loads, while other series of knife switches are only used as isolation switches. This product complies with the GB14048.3-1993 standard.