New Consumer Unit Needed?

westward10

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• Oct 23, 2017

• #2

Yes you can get them.

 

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Strima

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• Oct 23, 2017

• #3

Look for Schneider C60H RCBO.

Seems to be a lot of C curve MCBs in there for a domestic board.

 

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westward10

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• Oct 23, 2017

• #4

What is wrong with a Type C in a domestic.

 

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Colin33

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• Oct 23, 2017

• #5

Strima said:

Look for Schneider C60H RCBO.

Seems to be a lot of C curve MCBs in there for a domestic board.

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I could only find Schneider ones which don't look like they'll fit (wrong way up) Yes they're C types, think who ever did this was probably more accustomed to industrial work. A metal Cu in a domestic premises before AM3?? Whatever next?

 

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westward10

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• Oct 23, 2017

• #6

You will get Schneider ones to fit that just say they are for a Merlin Multi 9 board.

 

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Strima

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• Oct 23, 2017

• #7

Try and get the Schneider C60H range, the iC60H will fit but not perfectly as they are slightly narrower and a bit taller.

westward10 said:

What is wrong with a Type C in a domestic.

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Absolutely nothing as long as the disconnection times are met and fault current is sufficient to trip them. I'd much prefer to work on that board than some of the modern options available.

 

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• Oct 23, 2017

• #8

Yes you can get them, scheider and square d will also fit

 

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westward10

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• Oct 23, 2017

• #9

Square D will not fit that board.

 

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Colin33

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• Oct 23, 2017

• #10

Thanks for your help guys. A quick google and 6 of these RCBO's will cost around £216, which is about what a new loaded CU with 8 rcbo's would cost. But labour will be a lot less of course...

 

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Strima

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• Oct 23, 2017

• #11

I'd be going with using the original board and RCBOs. Good build quality and a lot less hassle to work on.

 

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D

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• Oct 23, 2017

• #12

What do the two RCDs protect?

 

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D

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• Oct 23, 2017

• #13

spinlondon said:

What do the two RCDs protect?

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Why does the garage need RCD protection and why do you need 6 RCBOs?

 

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• Oct 23, 2017

• #14

spinlondon said:

Why does the garage need RCD protection and why do you need 6 RCBOs?

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No idea why the garage has an RCD at this end, but it can stay put. I would replace the 6 mcb's in use with rcbos. Only need to work on /add to two circuits but why not do the job properly and make sure all circuits are protected?

 

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D

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• Oct 23, 2017

• #15

Sorry misunderstood, thought you were saying the shower and garage needed RCD protection.
So your intention is to upgrade the installation to the 17th?

 

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westward10

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• Oct 23, 2017

• #16

Colin33 said:

No idea why the garage has an RCD at this end, but it can stay put. I would replace the 6 mcb's in use with rcbos. Only need to work on /add to two circuits but why not do the job properly and make sure all circuits are protected?

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There is no requirement to add additional rcd protection to circuits you are not working on.

 

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• Oct 23, 2017

• #17

spinlondon said:

Sorry misunderstood, thought you were saying the shower and garage needed RCD protection.
So your intention is to upgrade the installation to the 17th?

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I have to add some sockets and lights, so certainly want to make sure all is rcd protected. As for upgrading the whole installation, it's mainly old coloured wiring and probably missing a cpc on some of the lighting circuits too but a rewire is not an option at this time...

 

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• Oct 23, 2017

• #18

westward10 said:

There is no requirement to add additional rcd protection to circuits you are not working on.

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As I thought westward, but I'd be happier doing so if the client is happy... it doesn't make any sense to me not to.

 

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