2-Channel Solid Relay Module
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A solid-state relay (SSR) is an electronic switching device that switches on or off when a small external voltage is applied across its control terminals. Compare with the Electromechanical Relays, the solid-state relay is the high frequency for turn on/off, no noise, and longer life. There is a 2-Chanel Solid Relay Module, which is based on Omron G3MB, control current up to 2A@240VAC.