The main button of the distribution network cannot unlock the child lock. Is it necessary to have a corresponding relay control button?
Will the relay return to its pre-power off working status if the power is turned on after power off
What is the function of the diode in parallel relay?
What is the difference between a double-break relay and a single-break relay?
Why does the relay of a socket get connected and disconnected continuously?
Can relays be driven directly by module?
What is the drive voltage specification for the relay?
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