Releemoodul optical coupler

Module features:

- voltage: 5V
- dimensions 50x26mm, 19mm thick,
- Board PCB size: 16x14mm

Module description:
When no shelter 1, module slot, receiver tube conduction, relay, common beginning and often connected, green led is lit, when blocked, the relay does not work, public-normally closed-end is connected, the Green led is not lit;
2, common, normally open, normally closed three ports as a dual-control switch, relay coil is electrified, the common and often beginning breakover, when there is no electricity, common and normally closed-end conduction