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Discuss 3p Tpn converted to Sp in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net
![[ElectriciansForums.net] 3p Tpn converted to Sp](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/62/62831-0c7b302941a256836dbfa757f2eea146.jpg)
Not a problem converting to single phase, manufacture’s normally sell a kit that does just that.
www.se.com
not quite the right one for that board I think, but you get the idea.
SE125SPP - single phasing kit, LoadCentre, 125A for KQ type B distribution board | Schneider Electric UK
SE125SPP - single phasing kit, LoadCentre, 125A for KQ type B distribution board
not quite the right one for that board I think, but you get the idea.
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It is fine as above it needs the correct manufacturer single phasing kit fitting.
The only caveat I would add, is that it is theoretically possible for the neutral side of things to be carrying three times its design load.
I was meaning generally, and especially on boards with a four pole isolator. Doesn't appear likely to be a problem with the board in question.
OP
Yea defo needs new 4 pole main switch
OP
Single phase needs DP isolation
OP
No it’s off a Mcb @ DB
The neutral will only require switchable isolation in say a dwelling. Commercially the neutral requires a link to disconnect it
Do the conversion kits include a main switch that switches the neutral?
For that board no it just links the three lines. I believe the new Eaton ones become a double pole switch which also switches the neutral.
OP
I know that I would fit a DP main switch, never seen a single phase supply without one.
Its a EICR so it’s been in place for some time, classification code C3 maybe after reading all these messages ?
Explain why it needs Coding.
Reply to 3p Tpn converted to Sp in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net
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Wasn't paying attention thought it was items of 3P machinery that was being isolated
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