12V 30A Type A(normally open) Optical Coupling Isolate

1.Onboard EL817 photoelectric coupler with photoelectric isolating anti-interference ability strong
2.Onboard 12 v,30 a / 250ac,30 a / 30 VDC 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 v
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)