1、DURABLE MATERIAL: The lock body is made of reinforced nylon, the lock cover is high transparent glass resin PC, strong and durable, long service life, and equipped with two keys, easy to use. 2、APPLICABLE OBJECTS: Distribution protection box is suitable for 3P miniature circuit breaker, which can realize safety padlock locking with lock beam diameter ≤7mm, just place the protection cover on the circuit breaker, and can be locked and removed at will. 3、TRANSPARENT: HD transparent protective cover can be firmly installed on the circuit breaker switch without affecting the automatic tripping of the switch and can check the status of the electrical switch in time for equipment maintenance personnel to manage. 4、EASY TO INSTALL: Breaker protective box is equipped with industrial backing adhesive, stable and firm, easy to install, just fix the protective cover on the circuit breaker, can effectively prevent accidental operation. 5、APPLICABLE SCENARIOS: Padlock lock beam made of nylon, can be used in electrical isolation situations to prevent electric shock, but also to ensure the strength and not easy to deformation breakage.