Three -phase electric energy meter

The utility model discloses a three -phase electric energy meter, including end box, current terminal, voltage terminal and PCB A. Voltage terminal include with voltage line even connection piece as an organic whole, the connection piece with can dismantle the connection through the screw between the current terminal, the voltage line connection on the connection piece arrives PCBA is provided with the connecting hole that is used for the test wiring on the connection piece. Uniting two into one connection piece and voltage terminal, through being connected or break off changeable connection of realizing between voltage terminal and the current terminal between connection piece and the current terminal, switching and only need screw up or unscrew when connecting connection piece and current terminal even screw as an organic whole, the easy operation convenience can satisfy customer's different user demands simultaneously, also is convenient for carry on in the factory capability test. Simultaneously, because