It is a module that can be directly powered by a microcontroller (Arduino, PIC, Atmel, etc.). Both NC contacts (Normally Closed) and NA contacts (Normally Open) are present. The module also includes a LED indicating whether the relay is active or not. The contacts bear 250V with current 10A and have screw terminals. There is also a diode that protects the circuit from possible overvoltages.
The item that you can get for certain features differ from the one shown in the photo, depending on the production lot. However, the functionality is retained. The description of this item has been provided by automatic translation. If you have any questions, please do not hesitate to contact us.