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5 v 30 a C (full) optical coupling isolation relay module
1.On board EL817 photoelectric coupler with photoelectric isolating anti-interference ability strong.
2.On-board 5 v,30 a / 250 vac,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.
4.Module with diode current protection,short response time.
5.Module is normally open (NO),normally closed (NC) output
6.PCB size: 34 (mm) x39 (mm).