Switching value device meeting electromagnetic compatibility

The utility model relates to the technical field of electrical equipment testing, in particular to a switching value device meeting electromagnetic compatibility, which comprises a control board and a switching value board, the control board is connected with a direct current power supply, the direct current power supply converts alternating current into direct current to supply power to the control board, and a DCDC isolating circuit is arranged between the control board and the direct current power supply; the control panel is further provided with a communication module and an optocoupler, the MCU on the control panel is connected with the communication module through the optocoupler, the communication module is used for communication, the switching value board is connected to the control panel and further connected to the input and output interface, and a multi-stage protection circuit is further arranged between the switching value board and the input and output interface. And the multi-stage protection