12V 30A Relay Module Type A（normally open）With Optocoupler

Function features
1.Onboard EL817 photoelectric coupler with photoelectric isolating anti-interference ability strong

2.Onboard 12V, 30A/250V AC, 30A/30V DC relays,the relay long life can absorb 100000 times in a row

3.Module can be directly and MCU I/O link,with the output signal indicator

4.Module with diode current protection,short response time

5.Module is normally open (NO) output,impermanence closed (NC) output

6.PCB size: 34 (mm) x39 (mm)