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Low power consumption 24V AC relay

ggaudreau1963

Hi all

 

I am looking to buy/build a low power consumption relay that operates on 24V AC as its signaling supply to drive another relay, this one, consuming a lot of power.

 

Any suggestions?

 

Thank you

 

Guy

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  • in reply to michaelkellett

    I don't want to use relays as the powerdraw is probbly high,

    Let me explain a little more my issue,

    I built a house a while back and forgot to lay one set of wires for thermostat feed thinking that the thermostat I had its own battery power . After I closed all my walls and finished the house I looked at the thermostats that I had purchased and low and behold they required power.

     

    I had close by each thermostat 2 wires that were not doing anything but they are of small caliber (2 strands of a cat5 cable).  So the 2 strands are suffiicient to feed in one instance 2 thermostats but not much more.

    So each of the thermostats requires the following

         2 wires for 24V AC for power

         2 wires  for output.

     

    I my basement,where the wires all go, I have plenty of low voltage to supply any kind of device that would detect or not detect voltage outputed by the thermostat.  I know thati will need to "drain" builtup power by puling the output of the thermostat to the ground via a resistance butI do not wan tto draw any more power fron the wire that is required.

     

    Hoping that this is a little clearer

     

    Thank you

     

    Guy