Multifunctional indoor electric appliance protector

The utility model relates to the technical field of electric appliance protection equipment, and discloses a multifunctional indoor electric appliance protector. The protector comprises a switch, a relay, a rectification circuit, a silicon controlled rectifier, a capacitor, a resistor and an inductor. The protector allows indoor and outdoor phase lines to be connected, cuts off an outdoor live wire L1, a null wire N1, a closed circuit wire E1 and a network cable F1, allows an indoor live wire L2 and a null wire N2 to be connected to an AC power supply of a household electrical appliance, allows a closed circuit wire E2 to be connected with a set top box, and allows a network cable F2 to be connected to a computer. The protector overcomes the defect that a single line comes into an indoor protective switch, enables all the outdoor wires to be cut with a cutting distance of 20 cm or more, prevents thunders from coming indoor, and protects a plurality of electric appliances. The protector enables instant trip-ou