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Switch suitable to change between two inverter CT's

 
Electricity, Tariffs, Monitoring, Electrics & Providers
Last Post by Jancold 60 minutes ago
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Jancold
 Jancold
(@jancold)
Reputable Member Member
Joined: 4 years ago
Posts: 181
Topic starter 28/08/2026 3:38 pm   [#3146]

My setup has the Heat pump and EV wallbox seperated from the house Consumer unit by Henley blocks . I have batteries but no solar. When the heat pump is keeping the house warm I have the Inverter CT on the meter output ie all consumption but I then have to plug the car in late at night or the batteries are discharged to the EV. (Octopus I Go have given me the charge cap setting but it doesn't always work.) In the summer I moved the CT to monitor only the House CU so the batteries do not discharge to the EV.

I would like to avoid moving the inverter CT and have bought a second one and intend to connect to a switch to change from one CT to the other. 

My question is can I common the same 'phase' of the CT's and use a single pole switch to select either CT. I know I could use a double pole but I have a nice neat single pole switch in an enclosure.

I hope the above makes some sense and is my idea reasonable?


Daikin 6Kw ASHP.
MG4 EV, Solis 8KW inverter, 32KWh battery
1926 Semi with loft and wall cavity insulation, all radiator.


   
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