Controller for controlling charges of three-phase electric energy meter

The invention discloses a controller for controlling charges of a three-phase electric energy meter. The controller includes a housing and a circulation delay control module and a control circuit module which are in the housing, an A interface module is electrically connected with a charge control execution signal module, the control circuit module is in communication connection with the circulation delay control module and is electrically connected with a single-chip microcomputer core board module, the single-chip microcomputer core board module is electrically connected with a crystal oscillator time control circuit module, the crystal oscillator time control circuit module is electrically connected with a trigger relay, the trigger relay is electrically connected with a zero sequence current generator, the zero sequence current generator is electrically connected with a drive circuit module, the drive circuit module is electrically connected with a B interface module, the B interface module is electrically connected with a residual current action protector, and an output end of the residual current action protector is connected with a load. The controller for controlling the charges of the three-phase electric energy meter is reasonable in structure, low in cost, and rapid and convenient to install, part of devices of the controller are small, and volume production can be realized.