DB installed connected & tested | Page 2 | on ElectriciansForums

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cliffed

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Just your thoughts on this DB,it’s a Lewden type,I personally don’t like them.
Bus bar,not ideal,main switch on right,space very tight to make connections,hate the rcbo’s,screws in front of each other,making it hard to retighten .

[ElectriciansForums.net] DB installed connected & tested
 
@Leesparkykent its a time delayed one so "should" be ok, you can just see the S on the front of it.... The rcbos are only single pole though so there still isnt perfect discrimination and a fault remaining on the neutral will trip the whole supply... Not a great setup imo...
 
@Leesparkykent its a time delayed one so "should" be ok, you can just see the S on the front of it.... The rcbos are only single pole though so there still isnt perfect discrimination and a fault remaining on the neutral will trip the whole supply... Not a great setup imo...
Yes that was exactly my point. Neutral earth fault and the RCBO will trip but the upfront RCD, time delayed or not will still trip as the RCBO's don't break the neutral.
 
My issue with the Lewden boards is the advised torque settings, I have two torque drivers and with either if I torque them to manufacturers settings it has a tendency to damage the rcbo screws.
Do you have the pozi-flat hybrid type driver in your torque set? I do and have never had an issue with the Lewden RCBOs
 
Yea,the problem is that the 63 amp breaker supplies a Loxone lighting panel,Rcbos in that Panel serves lighting .
So that was the purpose for the 100 ma td Rcd,discrimination for the other rcbos.
 

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