3P FUSE SAFETY SWITCH: This is a 30A, 240V, 3-phase safety switch with a 30A overload fuse; it can quickly fuse and disconnect the switch to protect the power supply and equipment safety and prevent accidents QUICK CONNECT&DISCONNECT SWITCH:external hinge switch handle that can quickly connect and disconnect the power supply, providing quick protection for equipment safety in the event of an emergency; METAL SWITCH BOX: The switch box adopts a 1mm thick steel metal shell, which is thick, durable, dustproof and prevents small animals from entering. Anti misoperation design, adding locks can prevent outsiders from touching; EASY TO INSTALL: The power switch inlet and outlet wires are fixed with screws at both ends, making the power cord connection simple and convenient. The switch box is designed with knocking out holes around it to avoid the trouble of drilling holes; APPLICABLE SCENARIOS: Electrical switch boxes are suitable for protecting important electrical equipment in industries, computer rooms, workshops, etc., quickly connecting or disconnecting power, effectively protecting equipment safety, and reducing economic losses; HEAVY DUTY SAFETY SWITCH