Relay modules

Features :

1. One normally closed contact and one normally open contact
2. Triode drive, increasing relay coil
3. High impedance controller pin
4. Pull-down circuit for the avoidance of malfunction
5. Power supply indicator and Control indicator lamp
6. Power supply and relay instructions, lit, the disconnect is off;
7. The input signal, signal, common Terminal and start conducting;
8. Useful for appliance control;
9. DC or AC signal, control, you can control the 220V AC load;
10. There is a normally open and one normally closed contact;
11. The module is compliant with international safety standards, control and load areas isolation trenches.