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Fusing Fans to manufacturers spec

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nickblake

Well chaps ive been looking at the manufacturer requirements for fusing down fans ,an every one appears to require only the permernant live to be fused so having words with those nice people at scolmore click you can do it easily with the grid range that doesnt actually look like grid fuse and an isolator in the same switch brilliant thats what i say good old Click scholmore [ElectriciansForums.net] Fusing Fans to manufacturers spec
 
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Not enough 3A fuses were being sold, its a conspiracy I tell ya!!!

If they insist on 3A protection why not just provide them with one installed? Or am I thinking too much?
 
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Strima said:
Not enough 3A fuses were being sold, its a conspiracy I tell ya!!!

If they insist on 3A protection why not just provide them with one installed? Or am I thinking too much?
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If you installed a fuse in the fan then only one of the SL or L would be fused, if you installed two fuses one in each Line then one fuse could go and still leave a live circuit on the fan. You want the fuse before the isolator. As per post #1
 
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but the whole point of the post is that the manufacturers instructions only call for the permanent L to be fused.......is that a mistake on their part?
 
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I can see both sides for the fusing of both lines. Was the fuse brought in due to motors burning out and causing fires? If that's the case then only the perm L needs fusing as the SL is only a signal to the PCB as any fault should cause overload on the perm L. Or is my logic way out? Ideally what is needed is a three pole fused switch.
 
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Strima said:
I can see both sides for the fusing of both lines. Was the fuse brought in due to motors burning out and causing fires? If that's the case then only the perm L needs fusing as the SL is only a signal to the PCB as any fault should cause overload on the perm L. Or is my logic way out? Ideally what is needed is a three pole fused switch.
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Exactly the reason , there were a spate of fire including one hotel in london where some people died as a resault the electrician was prossecuted and if im not mistaken charged with unlawfull killing due to the fact that he had not followed manufacturers instructions
 
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What I've noticed is that on the last 2 fans I've installed not only do they both call for 3A fuses but they also state that "isolation" is also required - so even if the doubters here say they aren't going to bother with 3A fuses will they bother with isolators too?
 
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Always stick an isolator in when doing a new fan, makes it easier for testing and working on and fans annoy me when I go for a gush at three in the morning and it wants to runs on for twenty minutes hence I give the customer the option of where they want it... :lol:
 
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Strima said:
Always stick an isolator in when doing a new fan, makes it easier for testing and working on and fans annoy me when I go for a gush at three in the morning and it wants to runs on for twenty minutes hence I give the customer the option of where they want it... :lol:
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i have 2 fan isolators to install i will now be using the click fuse with isolators for those intrested in the isolators in the pick order codes for the parts are MD020WH fan isolator MD220WH locable version MD047PW fuse module and PRW403 for the face plate these also come in a full range silver brass chrome etc blimby i sound like an advert lol
 
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