The utility model relates to an energy -conserving tombarthite permanent magnet motor of special combination formula of beam -pumping unit, including starting the cabinet main part, it has the electronic type protector to start cabinet main part internally mounted, ac contactor, and time relay and auxiliary relay, it includes roof and bottom plate to start the cabinet main part, fixed mounting hasthe curb plate between roof and the bottom plate, a plurality of thermovent has been seted up on the curb plate, install the display panel on the leading flank of curb plate, the display panel downside is located still install area lock handle on the leading flank of curb plate, still install radiator fan on the bottom plate, the electronic type protector is used for comprehensive protection permanent -magnet machine, appears transshipping when the motor, overflow, and the excessive pressure, it is under -voltage, during the electric leakage, report to the police or protect, it is stable thattime relay and auxiliary relay are used for opening performance, and the start -up course has continuity and stability, and simple structure is convenient for make and promote.