Relay
A relay is an electrically operated switch. It has a set of input terminals for one or more control signals, and a set of operating contact terminals.
A relay is an electrically operated switch. It has a set of input terminals for one or more control signals, and a set of operating contact terminals.
A relay is an electrically operated switch. It has a set of input terminals for one or more control signals, and a set of operating contact terminals.
Source: Wikipedia "Relay" · CC BY-SA 4.0
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