RUTX50 with 12 V : Add a fuse?

[Herve]

Hi everybody,

I will use my new RUTX50 in a campervan, so I want to cut the 220 V power plug and connect the router directly to the van’s 12 V supply.

I will add a fuse to the 12 V connection to protect the setup. Can you tell me what amperage I should use for the fuse?

Thank you and have a good day!

[Marijus]

Hello,

I strongly advise against creating a makeshift 12V automotive power plug. This could put you and your device in danger.

Here is an automotive power plug suitable for 12/24V: Link to Teltonika Networks automotive power supply

Best regards,

Marijus

[Herve]

Hello Marijus,
Thanks for this answer.
Please could you give me some more details regarding it ? As RUTX50 natively supports 12 V, I thought there would not be any problem just adding the right fuse. I needed, I’ll buy the automotive power supply, of course.
Thanks a lot
Hervé

[Marijus]

Hi,

Yes, it natively supports 9-50 VDC. Here’s information about the powering options for the RUTX50: RUTX50 Powering Options

Kind regards,

Marijus

[Herve]

OK thanks. I guess I’ll buy this Teltonika Networks automotive power supply

[Padraic]

Hi there, I’ve used the Teltonika cable PR2PL15B in my campervan. It has worked fine. I’ve used a 1 Amp fuse.

Regards Padraic

[Herve]

Hi Padraic,

Oh great, thanks So I guess there’s any problem doing this if the electrical connection is well done, of course

Do you have the RUTX50 too ? If so, did you put it in a small cabinet or outside ? I don’t know if it can be in a cabinet because it seems to heat when it works.

[Padraic]

I don’t think there is any problem with it wired to a vehicle as their voltage range is quiet wide, 9: 50 VDC, reverse polarity protection, surge protection >51 VDC 10us max.
If you were concerned, you could purchase a UPS (Uninterrupted Power Supply)

Yes I have one also, I use it at home with two of us working from home and I also use it in the campervan.
I have it in a big cabinet, so it should be ok. I have this antenna on the camper.

Regards Padraic.

[Herve]

Same antenna for me. I’ve bought them some days ago, so I’ve not tested them yet, but this antenna seems to be great

[Padraic]

Yea its a good antenna, just means its picking up a better signal from outside the camper.

[Herve]

@Padraic

I’ve used a 1 Amp fuse.

One more question, sorry ! Is 1 Amp enough ? 12 V with 18 W max, so the fuse should be around 2 Amp, no ? Also, did you take a slow-blow fuse or a fast-acting fuse , I guess a slow one should be better because of the W variations, no ?

[Padraic]

No bother, glad to help.
When you work it out, it comes in at 1.5/2.0 Amp fuse. I just went with a 1 Amp to be safer and it hasn’t blown yet. I’ve just used a standard automotive fuse, I’m hoping its ok to use it.

[Herve]

Oky, thanks a lot. Yes, i guess 1 Amp is enough and more secure for sure. I’ll try this too. Thanks a lot