Feature: 1. Fastening 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 2. Transparent 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 3. Large Diameter Wiring Hole: The disconnect knife switch is a large diameter tunnel type wiring hole, which ensures convenient wiring and stable pressure line 4. Converting Circuits: The knife safety switch can be used to convert between industrial enterprises, household appliances, power systems and self generating circuits 5. Anti 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 Switch Product Material: Resin, ABS, Copper Number of Poles: 4P Rated Current: 100A Rated Voltage: AC 380V Suitable For: Fail Safe Circuit Breakers, Backup Generator Switches, Power Switches Weight: Approx. 1243g/43.8oz. Package List: 1 x Knife Safety Switch 4 x Screws