Electronics > Power/Renewable Energy/EV's

Neutral line fault detector NFP-1801?

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nardev:
Hey guys,

I'm just curious what do you think about this device "NFP-1801" by "Elektronska industrija Niš".

I can't find anything similar by any other manufacturer. Is it something that you would install in your fuse box?

Essentially in case of N line cutoff it shuts down the FID/Safety switch in fuse box.

There is a video demonstration but it's not in English, though the demonstration is pretty clear.

https://youtu.be/50DNhf6F0CY

f4eru:
Clever device.

But:
1) It is not certified for any EU country. Probably not allowed in a lot of them. Won't recommend.
2) neutral fault is extremely uncommon in most countries, it's not needed in fact
3) not sure if protected/safe from a few aspects, would like to see the inside
4) Would probably have false positives in situation like lightning
5) does not protect downstream (3-phase home only)

nardev:
In regards to certification, the guy have mentioned that they have got all required certs for Serbia, which actually since JUS (Jugoslavia Standards) is actually pretty strictly following EU standards. So i would not be surprised if they make all required testings and get certified.

It's pretty new product, i might get one if someone is willing to make a proper review video?

f4eru:
hmm.. No CE marking. does not look good yet for compliance, but they will probably improve that over time.

nardev:
Certifications aside, i was primarily wondering how useful such protection could be.

I guessing as nobody made it already, for all those years, so is it something worthy of installing. 

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