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[DetlefSchmitz]

Can I put both appliances on the same 45A switch?

Yes.

 

[333rocky333]

Its a fan isolator switch, I think its pretty self explanatory? I dont think i've seen a kitchen without one Lol.

Not really, i have yet to see one in a kitchen,

Most kitchen fans are on a FCU likely of the ring circuit.
What most people know as a fan isolator switch often seen in bathrooms are unfused and not suitable for connecting to a 32A circuit.
There are new type ones now that incorporate a fuse to help comply with manufacturers info regarding fitting a 3 amp fuse, whether there permissable on a 32 amp circuit, i dont know, i have yet to even see one in use.

 

[JohnW2]

Not really, i have yet to see one in a kitchen, Most kitchen fans are on a FCU likely of the ring circuit.

Indeed.

I may be wrong, but I suspect that some confusion may have resulted from the fact that the OP may well have used "Fan isolator 10A" to rfere to an isolator (be it 2-pole or 3-pole) which had a 10A 'rating' (like light switches0.

Kind Regards, John

 

[333rocky333]

Indeed.

I may be wrong, but I suspect that some confusion may have resulted from the fact that the OP may well have used "Fan isolator 10A" to rfere to an isolator (be it 2-pole or 3-pole) which had a 10A 'rating' (like light switches0.

Kind Regards, John

Hence my first post questioning what they mean, surely not suitable as amongst other things, the fans then fused at 32A.
Though apparently its been seen in most kitchens?
(To be fair my kitchen will soon have one, but its fed from a FCU sited elsewhere)

As for the newer Fused fan isolators also branded as 10A are we back in the whelms of are they suitable for connecting to a Ring, i recall the OSG book refers to a certain BS number and theres been previous debates with connecting gridswitches and 20A switches to a Ring in the past

 

[JohnW2]

Hence my first post questioning what they mean ...

Indeed. Some people seemed to be thinking it was meant to be something (a switched FCU?) with a 10A fuse in it but, as I said, I suspect/presume that the "10A" is just the 'rating' of the accessory that the OP had in mind.

, surely not suitable as amongst other things, the fans then fused at 32A.

Quite so. That was my #1 point in my initial response in post #2.

Though apparently its been seen in most kitchens?

Indeed. I've already agreed with you that such seems an odd statement, certainly inconsistent with my (limited) experience.

As for the newer Fused fan isolators also branded as 10A are we back in the whelms of are they suitable for connecting to a Ring, i recall the OSG book refers to a certain BS number and theres been previous debates with connecting gridswitches and 20A switches to a Ring in the past

Some people love regs and arguments about them, but I would hope that most of us know the 'common sense' of the situation (and what we 'would bee perfectly happy with').. FCUs are generally 'rated' at 13A, but, for some reason, we don'y (often if ever) see the same people fussing about installing them 'on a 32A ring'..

Kind Regards, John

 

[DIYGrant]

You guys are right, my bad! I have bought this assuming it was fused

BG Screwless Flat Plate Black Nickel 3 Pole Fan Isolator

A stylish fan isolator switch from BG Electrical, featuring a contemporary slimline design and a smart black nickel finish with matching rocker switch.This triple pole switch provides a safe and simple method of isolating mechanical fan units, and features a wide rocker for easy operation. It...

www.toolstation.com

What would be the most common or best solution to connect an extractor fan to the circuit?

 

[JohnW2]

What would be the most common or best solution to connect an extractor fan to the circuit?

If it's being fed from a 32A circuit, then an FCU (preferably a 'switched' one) with a small fuse in it - maybe 3A (or even less).

Kind Regards, John