[RE-wrenches] time delay relay

Drake drake.chamberlin at redwoodalliance.org
Thu Apr 28 07:26:02 PDT 2016


A simple solution that I've used is to utilize an 
off-the-shelf lighting timer. You can get an 
inexpensive unit that plugs into an outlet. Take 
the 120 V AC output and use it to trigger a 120 
volt coil relay. Depending on your signal 
voltage, this may work. You can set delays by 
using the adjustments on the timer.

At 05:47 PM 4/27/2016, you wrote:
>Hello Wrenches,
>
>I need a relay with off delay timer to control a 
>battery charger and I’m having difficulty 
>finding the type. The sequence I need is as follows:
>    * Power or trigger on, relay closes.
>    * Power or trigger off, relay opens and starts delay timer.
>    * Power or trigger on, relay closes after timer has finished.
>
>Does anyone know what this type is called or any other help?
>
>Thank you,
>
>Larry Crutcher
>Starlight Solar Power Systems
>
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