DC5 12V 24V Adjustable Time Delay Relay Module LED Digital Timer Control Switch.
ab 17,28 €
Trigger Signal: 5V version (high level: 5V); 12V version (high level: 12V), 24V version (high level: 24V), low level are OV. Normally closed relay interface: COM when the relay is not engaged, and COM short connection when not engaged: NC.
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