1 2 4 6 8 Channel 5V Relay Module Shield with Optocoupler Support High and Low Level Trigger 1 way Relay Board 12V for Arduino

$0.34

TZT Solid state Relay SSR-10DA SSR-25DA SSR-40DA SSR-50DA 10A 25A 40A 50A actually 3-32V DC TO 24-380V AC SSR 10DA 25DA 40DA 50DA

$1.12