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Solid State Relay Adaptor Modules

A solid state relay (SSR) is an electronic switching device in which a small control signal controls a larger load current or voltage. The relay may be designed to switch either AC or DC to the load. It serves the same function as an electromechanical relay, but has no moving parts.

8 Channel Solid State Opto-22 Relay
 
16 Channel Opto-22 Solid State Relay Module
 
24 Channel Opto-22 Solid State Relay Module