▎ 摘　　要

NOVELTY - The utility model claims a protector and a protector capable of installing an electrical device, wherein the protector comprises a shell, soleplate, connection terminal, a shell, a bottom plate and a connection terminal assembly sensitive element together to define an internal space, encapsulated in the internal space; one terminal of the thermo-sensitive element is a fixing end is fixed, the other end of the thermo-sensitive element is capable of free end of moving and mutually matched static contact and a movable contact, a static contact fixed and arranged in the inner space, the movable contact is arranged on the free end of the thermal sensitive element. by thermal deformation of the sensitive element, capable of realizing contact or separation of the moving contact and the fixed contact, and moving one or both of contact and static contact in the graphene/silver-based composite material. by using graphene/silver-based composite material movable contact and/or the fixed contact, which can effectively reduce the contact resistance between the contacts and improve the temperature rise of the contact, improves the hardness of the contact surface and the contact resistance, electric arc ablation resistance, so as to improve electric performance and service life of the protector. in the electrical device capable of mounting the protector.