เป็นอุปกรณ์ที่เปลี่ยนพลังงานไฟฟ้าให

A device that changes electrical energy into magnetic energy. In order to attract the State's touch-face contact by electric coils to the grid feed-in order to close or open the front touch similar to the electronic switch. We can apply the relays to control various circuits, applications in electronic technician job lot.

A device that transforms electrical energy into magnetic energy. In order to attract the contacts of the contactor determined. By entering the electricity to the coil. To close or open contacts with electronic switches. It can be applied to the relay. The control circuit in many electronic applications.

A device that converts electric power into magnetic energy. In order to attract the contact of contactor to change conditions. By entering the electricity to the coil.We can bring the relay applied in conduct various circuit in electronics.