Motor protector

The utility model relates to a motor protector, which comprises a shell, a shell cover and wiring terminals, wherein the shell and the shell cover can be abutted and matched with each other to form a box-shaped shell in an enclosing mode, and a first electronic assembly board and mutual inductors are packaged in a cavity of the box-shaped shell, the shell is provided with mutual inductor sleeves and a first sliding slot, the mutual inductor sleeves are integrally molded with the shell and used for installing the mutual inductors in a sleeved mode respectively, the first sliding slot is used for inserting the first electronic assembly board, the first electronic assembly board is inserted in the first sliding slot, a guide direction of the first sliding slot is parallel to the axial direction of the mutual inductor sleeves, and the shell is fixedly connected with the shell cover through a connecting structure. The motor protector provided by the utility model is simple in shell structure, easy to assemble, low in cost and especially suitable for automatic and large-scale quick assembly.