Worlock

Thanks again @TaliaB Can you suggest a make of the above item? I would really appreciate that.

Thank you @TaliaB. I read you response carefully but with my rudimentary understanding of protection devices I'm still lost. Do I understand correctly that I must have a device similar to the above Chint but it must be a type 1 version and then another separate over/under-voltage protection relay/smoother unit? All of this in my already overcrowded main DB box. To make matters even more complex I have two further 3 phase Sub Boards and then at the end of the string a small single phase DB board for a small loft room/flat. Must they all have these devices installed or will the one set in the main DB board suffice?

More questions about SPD's. From what I can find out you need type 2 SPD's in very close proximity to your inverter. On the AC and DC inputs. You also need a type 1 to protect everything incoming in your main DB box. I have 3 phase power coming into my property. This needs a 4 pole SPD. But this has 40/385 on it. I think that is 40KA and 384V limiting into my house? If I tap off from one line and the neutral I get my 230V to 250V into my house (Depending on Eskom's mood) So does this tell me I'm still going to get anything below 385V into my TV and computer?

Do you have to replace the SPD completely or can you just replace the cartridges? Fivestar, Benny and Chint have removable cartridges. Then of course can you even find spare cartridges in South Africa?

@KennyS I'm not qualified to comment on the photographs ... but. Not having the IGBT's screwed firmly to the printed circuit board is crazy negligent. Also there is a big square capacitor missing. Normally this capacitor is removed to facilitate the replacement of the IGBT's. Could they simply have forgotten to replace it. Have a look at this video for context. https://www.youtube.com/watch?v=MXX5MhukVBY Pity you can't get an electronics engineer or technician to look at the pictures and comment.

Thanks for the prompt responce and info @KennyS I really appreciate that.

Still for sale? Where are you?

I took it to a reputable repairer and it was repaired in one day. Who did the repairs for you?

Are they still for sale?