Motor control device, fire-fighting motor control device and roller shutter door motor control box

The utility model discloses a motor control device, a fire-fighting type motor control device and a roller shutter door motor control box, the motor control device comprises a housing, a power supply module and a control circuit board, the housing is a box-type housing structure, an installation cavity is formed in the housing, and one side of the housing is detachably provided with a cover plate for opening and closing the installation cavity; the power module is fixedly arranged on one side of the mounting cavity; the control circuit board is inserted and fixed on the other side of the mounting cavity, is opposite to the power supply module and is electrically connected with the power supply module; an insertion part matched with the edge of the control circuit board is correspondingly arranged on the inner wall of the shell; wherein the side wall of the cover plate is provided with an abutting part abutting against the power supply module corresponding to the power supply module; the scheme is convenient t