kylegordon Posted August 2 Share Posted August 2 Heya, I recently got a new Pro 3EM, and when wiring it up it just trips the RCBO it's attached to immediately. There's no delay or anything. The power LED briefly lights and then fades away as there's no longer power. I've stripped it back to just the neutral into the N terminal, and live from the safe side of the RCBO into the C terminal. I have removed all CT clamps, wiring into A & B, and the Cat5 lead, but it's still the same. Main panel is a B40 RCBO, and the sub-panel into which this is installed is a B32, although any of the other RCBOs in the panel behave the same way when the Shelly is connected. Any thoughts? Quote Link to comment Share on other sites More sharing options...
kylegordon Posted August 2 Author Share Posted August 2 Hold those thoughts... I have the Shelly neutral wired to the busbar at the top. It should maybe be to the protected neutral output of the RCBO 1 Quote Link to comment Share on other sites More sharing options...
tvbshelly Posted August 2 Share Posted August 2 25 minutes ago, kylegordon said: It should maybe be to the protected neutral output of the RCBO That is correct. 1 Quote Link to comment Share on other sites More sharing options...
kylegordon Posted August 2 Author Share Posted August 2 Yep, can confirm, I am nothing but a rank amateur 😄 Working great now Quote Link to comment Share on other sites More sharing options...
tvbshelly Posted August 2 Share Posted August 2 👏 Quote Link to comment Share on other sites More sharing options...
Heinz Posted August 6 Share Posted August 6 you got pictures of how you connected it now would be cool if you do Quote Link to comment Share on other sites More sharing options...
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