The utility model discloses a regulator cubicle heat abstractor, it is including the cabinet body, cabinet door, temperature sensor, controller, main exhaust fan and mated side exhaust fan, the frontportion of the cabinet body is uncovered form, cabinet door activity hinge joint installs in the anterior uncovered department of the cabinet body, has seted up main air exit at the top of the cabinetbody, the main air exit department at the cabinet body is installed to main exhaust fan, has seted up the fresh air inlet respectively in the both sides lower part of the cabinet body, has seted up the side air exit on the both sides wall of the cabinet body respectively, the side air exit department at cabinet body both sides wall is installed respectively to mated side exhaust fan, temperaturesensor fixed mounting is on the cabinet body, and its measuring junction is located the internal portion of cabinet, the utility model discloses the advantage is: played fine dustproof effect, the radiating rate has improved the radiating effect greatly, has reached automatically regulated cooling intensity's purpose, has effectively ensured the internal electrical equipment's of cabinet normal work, has reduced the potential safety hazard.