Features: 1Fastening Circle Design: The knife safety switch has a fastening circle design which strengthens the toughness of the knife holder and can be opened and closed with the blade multiple times 2Transparent Shell: The knife safety switch has a highly transparent shell showing the internal structure. LED indicators on both sides of the handle show the working status 3Large Diameter Wiring Hole: The disconnect knife switch is a large diameter tunnel type wiring hole which ensures convenient wiring and stable pressure line 4Converting Circuits: The knife safety switch can be used to convert between industrial enterprises household appliances power systems and self generating circuits 5Anti Shock Design: The connection of the disconnect knife switch adopts an anti shock design which increases the edge of the wiring port to prevent fingers from touching the conductive screws Specification: Item Type: Knife Safety SwitchProduct Material: Resin ABS CopperNumber of Poles: 4PRated Current: 100ARated Voltage: AC 380VSuitable For: Fail Safe Circuit Breakers Backup Generator Switches Power SwitchesWeight: Approx. 1243g/43.8oz Package List: 1 x KnifeSafetySwitch4 x Screws