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mcb rating.

kelledy · 2013-03-29 22:10:12

Am i correct in thinking that there is a rule about mcb ratings being to high. Example if i have a circut with a 16amp industrial socket and i want it protected by an rcbo instead of an rcd, but there is only 10amp and 32amp rcbos available , would 32amp rcbo protection be accepted in the regs?? Also before amybody…

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29-03-2013 11:10pm

#1

kelledy

Registered Users Posts: 221 ✭✭

Join Date: February 2013

Posts: 201

Am i correct in thinking that there is a rule about mcb ratings being to high.

Example if i have a circut with a 16amp industrial socket and i want it protected by an rcbo instead of an rcd, but there is only 10amp and 32amp rcbos available , would 32amp rcbo protection be accepted in the regs??
Also before amybody mentions just getting a 16/20amp rcbo .. This is an exam so im not purchasing any equipment .. Im just using whats available.

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#2 30-03-2013 1:07am
kelledy

Registered Users Posts: 221 ✭✭

Join Date: February 2013

Posts: 201

Actually scrap that .... It is wire in 2.5 so 32a would not be ok and 10a is too low... I can just bang it on an rcd . I was hoping to use an rcbo for neatness and presentation etc . But no big deal i guess.... Typical fas to supply wrong equipment. Rcbos either too small r too large

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#3 30-03-2013 2:02am
Calgary22

Registered Users Posts: 451 ✭✭

Join Date: March 2013

Posts: 393

2O amp type C mcb on rcd would be my choice.

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