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FuseBox AFDD Combined RCBO

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pc1966

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Just seen that FuseBox are offering AFDD Combined RCBO but cost on-line is £115+VAT so not exactly affordable yet!

www.expertelectrical.co.uk

FuseBox AFDD Combined RCBO

FuseBox AFDD (Arc Fault Detection Device) with combined RCBO (Residual Current Circuit Breaker with Overload Protection). These single module devices detect arc faults and help to reduce fires.Key FeaturesAvailable in current rating options: 6A, 10A, 16A, 20A, 25A, 32A and 40A.Number of poles...
www.expertelectrical.co.uk www.expertelectrical.co.uk
 
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I've noticed the date they are available keeps getting delayed, when I first noticed them it was December, then January, now Februrary. I can't believe they are selling so fast that the stock gets cleaned out. Unless of course they anticipate such low demand that they only order in one or two!
 
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SJD said:
I've noticed the date they are available keeps getting delayed, when I first noticed them it was December, then January, now Februrary. I can't believe they are selling so fast that the stock gets cleaned out. Unless of course they anticipate such low demand that they only order in one or two!
Click to expand...

Same happened when they announced DP RCBOs. None were available for sale, but wholesalers were advertising them in anticipation of (significantly delayed) release.
 
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nicebutdim said:
Same happened when they announced DP RCBOs. None were available for sale, but wholesalers were advertising them in anticipation of (significantly delayed) release.
Click to expand...
Could be.

At least the AFDD are the same DP switching as the their newer RCBO, same as for Wylex.

In fact I suspect most of the innards are basically the RCBO, but with a little extra to trip on arc noise as well as residual current. It would be interesting to see a parts breakdown to explain the cost difference!
 
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pc1966 said:
In fact I suspect most of the innards are basically the RCBO, but with a little extra to trip on arc noise as well as residual current. It would be interesting to see a parts breakdown to explain the cost difference!
Click to expand...

There are one or two videos of Crabtree/Wylex units being dismantled - I think Efixx posted one.

Edit: Here it is. Would be good to see John Ward or Big Clive do this

 
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pc1966 said:
Could be.

At least the AFDD are the same DP switching as the their newer RCBO, same as for Wylex.

In fact I suspect most of the innards are basically the RCBO, but with a little extra to trip on arc noise as well as residual current. It would be interesting to see a parts breakdown to explain the cost difference!
Click to expand...

I suspect the R&D costs will be a more significant portion of the product cost than the actual bill of materials additions.
 
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I am not convinced the "shall" will replace "recommend" in amendment 2. I have just had my NICEIC audit and the engineer has intimated they are considering a delay in implementation?
Further more having fitted several and experimented with 3, at my own property. I am disappointed at the level of current (approx. 4 +Amperes) to get a series trip. I am not to concerned about Parallel arc faults in domestic situations as we use T/E, the cpc being in the middle would cause the RCBO to trip sooner than the AFDD (at approx. 4 + A).
For you observant ones I have not fitted an AFDD on the cooker as it only supplies a 3A FCU for the ignition on the gas cooker. The lighting circuits are all LED so little chance of pulling $ Amperes + to enable an AFDD to trip. In my risk assessment and NICEIC engineer concurred.
 

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