Electrical protection equipment based on arc-free switch

The utility model discloses an electrical protection device based on an arc-free switch, and the device comprises a main connector mechanism which is connected with a power supply and a load in series; an auxiliary connector mechanism; the IGBT module is connected with the auxiliary connector mechanism in series and then connected to the two ends of the main connector mechanism in parallel; the MCU module is electrically connected with the main connector mechanism, the auxiliary connector mechanism and the IGBT module and is used for controlling on and off of the main connector mechanism, the auxiliary connector mechanism and the IGBT module; wherein each of the main connector mechanism and the auxiliary connector mechanism comprises a slot, a contact pin and a driving structure, and the driving structure is used for driving the slot and the contact pin to complete plugging operation. According to the utility model, a plug-in type connector structure is adopted, so that the influence of a connector contact on