3V 3.3V 1/2/4Channel Relay Module Low Level Trigger Relay with LED Relay Output

OPTO 22 SNAP I/O SNAP-ODC5R 4 CHANNEL ISOLATED MODULE

OPTO 22 SNAP-ODC5R 4 Channel N.O. I/O Module 5VDC - UNTESTED

Opto 22 SNAP-ODC5R I/O Module Relay 4 Channel Output

OPTO22 SNAP-ODC5R Module 0PT022

Opto 22 Relay ODC5R/0DC5R Solid State Relay

Opto 22 Snap I/O Module SNAP-ODC5R N.O. Output 5VDC Logic (Lot of 2)

Opto 22, SNAP-ODC5R, SNAPODC5R, Snap I/O Module Relay SSR 4 Channel Output NEW