1 Channel 12V Timer Relay Module with Optically Isolated Input

1 Channel 12V Timer Relay Module with Optically Isolated Input
1 Channel 12V Timer Relay Module with Optically Isolated Input 1 Channel 12V Timer Relay Module with Optically Isolated Input 1 Channel 12V Timer Relay Module with Optically Isolated Input
Product Code: G62DF570E4A429
Reward Points: 0
Availability: 200
Price: $4.95

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Description:

Relay board is one kind of very popular switch module. You can use it control any devices on or off. This is a DC12V controlled 1 channel timer relay module with a signal input. It's has a NE555 timer chip on the board. You can adjusting delay time(0-25s) by rotating the potentiometer. The signal input is optically isolated and accept high level or low level pulse signal.

 

How it works:
  1. Power on the module with DC12V, relay turns ON.
  2. Start timing, times up relay turns OFF.
  3. If no signal input, relay keeps OFF. If there is a pulse input(high level or low level), relay turns ON.
  4. If signal always exist, relay keeps ON. When signal is out, module start timing and relay turns OFF when times up.
 

Features:

  • 1 Channel DC12V Relay interface board
  • 0-25 seconds adjustable delay time
  • Input signal optically isolated
  • Load: DC30V/10A or AC250V/10A

 

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