Wireless Switch/Contactor

aptsys · 12 Jul 2019

Has anyone come across a relatively low cost off-the-shelf solution for a wireless contactor? I need a system whereby whenever you apply a control signal to the transmitter the remote receiver mimics the control signal.

From what I can see, most of the available solutions are designed either around an app, keyfob or have a switch plate. I can roll my own solution, but to safe time I would rather not. Something operating at 433MHz or 868MHz would be ideal...

Any ideas?

ericmark · 12 Jul 2019

Hope you find one, as also want something similar, want to relay temperature of the cistern in my case, as you say you can buy DIY modules, but by time you buy a housing, power supply and all other little bits, you end up with high price tag for very simple device.

Found this but with nearly £100 price tag, which I think is OTT.

aptsys · 12 Jul 2019

ericmark said:
Hope you find one, as also want something similar, want to relay temperature of the cistern in my case, as you say you can buy DIY modules, but by time you buy a housing, power supply and all other little bits, you end up with high price tag for very simple device.

Found this but with nearly £100 price tag, which I think is OTT.

I'll probably make one, even the DIY modules are not really going to do the right thing.

SFK · 12 Jul 2019

Aptys,

So you want 240V on/off input, radio bridge, 240V on/off ouput that is a copy of the input?

Will this work (note that it uses coded FM as the radio bridge) :
https://www.tlc-direct.co.uk/Technical/DataSheets/Luminite/EST4HVAC_Data_V5.pdf

using the Tx and Rx costing £70 + £60 from here:
https://www.tlc-direct.co.uk/Main_I...EasySwitch/index.html#EasySwitch_Transmitters

SFK

aptsys · 12 Jul 2019

SFK said:
Aptys,

So you want 240V on/off input, radio bridge, 240V on/off ouput that is a copy of the input?

Will this work (note that it uses coded FM as the radio bridge) :
https://www.tlc-direct.co.uk/Technical/DataSheets/Luminite/EST4HVAC_Data_V5.pdf

using the Tx and Rx costing £70 + £60 from here:
https://www.tlc-direct.co.uk/Main_I...EasySwitch/index.html#EasySwitch_Transmitters

SFK

That's pretty much spot on, except the price

Robin0577 · 12 Jul 2019

What about the Quinetic system?

£15-20 for the transmitter
£20 for a 6A receiver, plus whatever size contactor you need, assuming 6A isn't enough.

https://www.tlc-direct.co.uk/Manufacturers/Quinetic/Quinetic/index.html

JohnW2 · 12 Jul 2019

Robin0577 said:
What about the Quinetic system?

Does that not require 'mechanical' operation of a switch at the transmitter, whereas aptys seems to want to provide a 'control input' (presumably 'electrically')?

Kind Regards, John

Robin0577 · 12 Jul 2019

JohnW2 said:
Does that not require 'mechanical' operation of a switch at the transmitter, whereas aptys seems to want to provide a 'control input' (presumably 'electrically')?

Kind Regards, John

Good point, I obviously didn't read the original post properly.

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Wireless Switch/Contactor

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