[Solved] How much does a 400V installation cost in a 75m2 workshop? I'm looking for an electrician.

Hello.
I have a normal 230V installation in my workshop. Unfortunately, I have recently needed a more powerful welder, all these 230V welders do not always meet my requirements. That`s why I`m planning to buy a 400V welding machine. Before I buy a more powerful welding machine (I mean Migomat), I would like to find out how much such an installation costs. I will add that it is not a large workshop, it has 75 m2 and I only need 3 or 4 power sockets. Specifically, I`m interested in the price +/- and who I should contact to perform such an installation. I`ll add that I don`t know anything about electricity and I`m not going to mess with it. I care too. that this installation is carried out in accordance with the law.

brofran wrote:

First, you need to find out what power you need and what power cable you have at your disposal.
If the power is too low, an application to the Power Industry for new power supply conditions is required.

Well, I will definitely use two welding machines with a power of 350A. Besides, I`m not alone there, so there won`t be one welding machine running, but two. And how do I know that I will need such power? As I wrote earlier, I don`t know anything about it. I am slowly preparing for such an operation, but I need to learn as much as possible about it.

Strumien swiadomosci swia wrote:

First of all, will the garage draw electricity from the house or will it have a separate connection with a separate meter?

Estimated about 20kW. Who is your electricity supplier?

The electricity supplier is ENEA. For now, the garage draws electricity from the house at 230V. I really don`t know whether to use 400V electricity with a separate meter or at home, because I don`t really know which option is more profitable and whether it makes any difference at all.

vodiczka wrote:

TomaszNZM wrote:

for now, the garage draws electricity from the house 230v, and the electricity is 400v. I really don`t know whether to do it with a separate meter or from the house because I really don`t know which option is more profitable and whether it makes any difference at all.

Does the house have a three-phase or single-phase power supply?

TomaszNZM wrote:

It is not a large workshop, it has 75 m2

It`s not small either.

TomaszNZM wrote:

I`m not alone there, so one welder won`t be working, but two

If this workshop is a legal business, you must have a separate meter and a C tariff (unfortunately more expensive than G) to make it legal.

1. The installation is three-phase
2. The workshop is small in my opinion because everything takes up space - tables, band saws, welders, compressors, saws, lawn mowers and many other things - everything has to be somewhere, and unfortunately it has to take up its own space.
3. This is not a business activity, but I think I will open it in the future

Added after 6 [minutes]:

Strumien swiadomosci swia wrote:

TomaszNZM wrote:

400v electricity, I really don`t know whether to do it with a separate meter or from home

It is profitable to buy YAKY and take it from home. Even at the cost of increasing power allocation.

My workshop is located about 15 meters from the house, but can anyone estimate how much +/- I will pay for such an installation? because how can I give 10 thousand? I guess I`ll give it a rest and think about it in the future

Strumien swiadomosci swia wrote:

The cable itself costs PLN 5/m and the switchboards cost approximately PLN 800 + labor.

And who should I contact? For example, "ENEA" will perform such an installation for me?

opornik7 wrote:

TomaszNZM wrote:

And who should I contact? For example, "ENEA" will perform such an installation for me?

NO. You need to look for an electrician with the appropriate papers and talk to him.

OK thanks

Added after 56 [seconds]:

CLOSING!