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3 phase + N RCBO in Memshield DB

houstonceng

In the Eaton Catalogue for Memshield 3 type B three phase distribution boards, it shows their 4P+N RCBO wii h, of course, takes phases 1, 2 & 3  plus the position of the next phase 1 on the bus in the N of the RCBO.   The instructions say that this should be “insulated” (obviously, otherwise it would connect phase 1 with the N and cause one helova bang in the system).  Question.  Do they mean “isolated” by cutting off the offending phase 1 lug on the bus ? 

  • 0

    The instructions that I have are just pictures. Unless the design has changed, there is an empty hole where the terminals for the bus bars are to be found in the other 3 sections. There is no need to do anything to the bus bar. (It would make things difficult if you ever want to rearrange the DB.)

  • 0

    Funnily enough I just have one of these to fit.

    As Chris says it’s just an empty slot that goes over the bus so no need to do anything.

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