Bathroom extractor fan without fuse

[haptism]

Hi, anyone know a make/model of small bathroom extractor fan that does not (according to manufacturers instructions) need to be fused down ? Thanks

 

[Midwest]

You will get posts arguing that difference between a 3amp fuse and 6amp mcb would be too close to call. But presumably you have a TP & N isolator? You could fit a Click Scholmore3 pole fused isolator; Excel 3 Pole Fused Fan Isolator Switch - White | QVS Electrical Wholesalers - http://www.qvsdirect.com/excel-3-pole-fused-fan-isolator-switch-white?utm_source=google&utm_medium=googleshopping&utm_campaign=googlebase&gclid=CKCjh7-B_c8CFUONGwodFNcJyw

 

[Richard Burns]

For instance: Vent axia silhouette, Grenwood fans (if fitted to 5A lighting circuit), Envirovent silent.

 

[westward10]

Hagar and I think Wylex produce 3A mcbs.

 

[Taylortwocities]

I think that the makers put an FCU (with a 3amp fuse) in their diagrams to cater for where the fan is powered from a ring final and the fan and the connecting wiring need to be protected from a fault current limited only by a 32amp MCB.

IMO there is no need to 'fuse down' a fan supplied from a 6amp lighting circuit. There are squillions of them installed like that, everywhere, many of them by me.

 

[westward10]

I think that the makers put an FCU (with a 3amp fuse) in their diagrams to cater for where the fan is powered from a ring final and the fan and the connecting wiring need to be protected from a fault current limited only by a 32amp MCB.

IMO there is no need to 'fuse down' a fan supplied from a 6amp lighting circuit. There are squillions of them installed like that, everywhere, many of them by me.

Totally agree.

 

[telectrix]

it's all a matter of discrimination ( or the lack of ). some time ago, i had a vivarium lamp blow. it took out 2 x 5A plug top fuses and the 16A MCB in the CU.

 

[haptism]

Thanks for responses, its going onto existing lighting circuit and will have a 3 pole isolator; I think it would be safe on a 6a rcd'd lighting circuit, however would like to fit it and have no questions from customer if he reads the instructions. Will check out those recommendations !, thanks

 

[mydigitalhome]

Some non timed fans ask for 1A fuse, manufacturers requirement takes president so if you installed incorrectly, customer could insist you carry out a costly upgrade to comply at your cost. If you don't tell client you are leaving yourself legally exposed. Is it worth risking your business for a fan?

 

[westward10]

Some non timed fans ask for 1A fuse, manufacturers requirement takes president so if you installed incorrectly, customer could insist you carry out a costly upgrade to comply at your cost. If you don't tell client you are leaving yourself legally exposed. Is it worth risking your business for a fan?

This is true but what are the chances.

 

[Midwest]

If he uses a fused TP&N isolator, he's just has to put in a suitably sized fuse

 

[unconditional]

If it's keeping you awake I'd pop an inline fuseholder inside the fan itself, can't say I'd ever bother myself as like said it's debatable a 3A 1361 fuse would beat a B6 MCB anyway.

Or you could do like barratt homes and stick a sw/f/sp marked "fan" that in fact controls the whole bathroom lights & all and completely miss the whole point of having a fan isolator and causes the likes of me to spend an hour trying to trace a break in a circuit before realising what amateur fwits I'm following around.

 

[westward10]

If it's keeping you awake I'd pop an inline fuseholder inside the fan itself, can't say I'd ever bother myself as like said it's debatable a 3A 1361 fuse would beat a B6 MCB anyway.

Or you could do like barratt homes and stick a sw/f/sp marked "fan" that in fact controls the whole bathroom lights & all and completely miss the whole point of having a fan isolator and causes the likes of me to spend an hour trying to trace a break in a circuit before realising what amateur fwits I'm following around.

The point of the fuse is to provide overcurrent protection not fault protection.

 

[westward10]

If he uses a fused TP&N isolator, he's just has to put in a suitably sized fuse

Which pole of the TP isolator does the fuse protect, switch live or permanent live.

 

[haptism]

Maybe im being a bit OTT but if i could find a fan, which does not need an overrun btw, that does not request to be fused, then I will be more happy than usual.