1. Use as a switch: It is just a non-contact electronic switch with isolation function, and there are no mechanical contact parts in the switching process. Widely used in computer peripheral interface equipment, constant temperature systems, temperature adjustment, electric furnace heating control, motor control, numerical control machinery, remote control systems, industrial automation equipment; signal lights, dimming, flashers, lighting stage lighting control systems; instrumentation, medical treatment Appliances, photocopiers, automatic washing machines; automatic fire fighting, security systems, as well as switching switches of power capacitors for power factor compensation of the power grid, etc.
2. It can be used as a protection circuit: such as short circuit protection, overload protection, overcurrent protection, overheat protection and other circuits. It is also often used in various protection circuits.
3. Good anti-corrosion and moisture-proof performance: it is widely used in chemical industry, coal mine and other occasions where explosion-proof, moisture-proof and anti-corrosion are required.