48 amp setup for level 2 charger. Does this look correct?

[notouchie123]

Hello and please forgive my lack of electrical knowledge. I just noticed that it appears that I have 50 amp breaker when I see I may need 60 for full charging capability. I have included a photo of my charger/panel for reference. Will pick up our car on Thursday.

Thank you for sharing your knowledge!

 

[exxxviii]

Nope. That is maximum 40A Level 2 charging.

Odds are that you would need new wiring if you wanted to upgrade from a 50A to a 60A circuit. But the great news is that it is a short PVC run, so it would be super easy to pull new wire in that.

 

[notouchie123]

Nope. That is maximum 40A Level 2 charging.

Odds are that you would need new wiring if you wanted to upgrade from a 50A to a 60A circuit. But the great news is that it is a short PVC run, so it would be super easy to pull new wire in that.

ARGHH. Thank you very much for your input. We will contact the electrician.

 

[digitaldad]

Unless you specifically asked for 48 amp as part of the install, I would offer a side note that there's not much need for the nominal 8 more amps vs what you have. We have 48 and 40's here and its pretty close to a wash between the two on an overnight charging variance (if I were asked to compare the two).

 

[notouchie123]

Unless you specifically asked for 48 amp as part of the install, I would offer a side note that there's not much need for the nominal 8 more amps vs what you have. We have 48 and 40's here and its pretty close to a wash between the two on an overnight charging variance (if I were asked to compare the two).

Thats good to know - Thank you

I just spoke to electrician and he says they were supposed to install a 60 amp. He is sending someone tomorrow to swap it. I appreciate the input from the forum.

 

[notouchie123]

Nope. That is maximum 40A Level 2 charging.

Odds are that you would need new wiring if you wanted to upgrade from a 50A to a 60A circuit. But the great news is that it is a short PVC run, so it would be super easy to pull new wire in that.

Electrician is coming tomorrow to swap for a 60amp breaker and says the wire run is rated for 60 amps. Thanks again!

 

[digitaldad]

Thats good to know - Thank you

I just spoke to electrician and he says they were supposed to install a 60 amp. He is sending someone tomorrow to swap it. I appreciate the input from the forum.

ok, 60 breaker will get you to the max 48 amps then (assuming 6 thhn wiring was used).

 

[Cosmacelf]

When you get your 60A breaker (just double check and ask the electrician if he used 6 gauge wires), you’ll have to commission your Wall Connector using the instructions in the manual to tell it you have a 60A breaker. You only have to do that once.

 

[notouchie123]

When you get your 60A breaker (just double check and ask the electrician if he used 6 gauge wires), you’ll have to commission your Wall Connector using the instructions in the manual to tell it you have a 60A breaker. You only have to do that once.

Groovy. Will do.

 

[jcanoe]

The Tesla Gen3 Wall Connector defaults to a 60 amp circuit setting (enabling charging at up to 48 amps). You should go through the initial setup procedure to configure the Wall Connector for your home Wi-Fi network (needed for periodic firmware updates.)

 

[qdeathstar]

The Tesla Gen3 Wall Connector defaults to a 60 amp circuit setting (enabling charging at up to 48 amps). You should go through the initial setup procedure to configure the Wall Connector for your home Wi-Fi network (needed for periodic firmware updates.)

Seems like it would be safer to default to the lowest current setting…

 

[jcanoe]

Seems like it would be safer to default to the lowest current setting…

It would be safer if the Tesla Gen3 Wall Connector could not be put into service without first confirming the circuit rating while completing the setup process.

 

[RandyS]

Hi @notouchie123, good advice on this thread. One thing I wanted to mention is about the title. Your situation is considered Level 2 charging at home, not Level 3. Some people refer to DC Fast charging in public as Level 3, but that really is a misnomer according to the Society of Automotive Engineers (SAE) - they would call that DC Level 1 or DC Level 2 (but I think Level 3 is okay when referring to public DC Fast charging). Just thought I'd mention it for your information...Here is a link to the SAE charging page on wikipedia...

SAE J1772 - Wikipedia

en.wikipedia.org

[Moderator note: Thread title updated to indicate level 2 charging]

 

[Cosmacelf]

It would be safer if the Tesla Gen3 Wall Connector could not be put into service without first confirming the circuit rating while completing the setup process.

Isn’t that what actually happens? Someone else in another thread found that he couldn’t charge from his Wall Connector until he went through the setup process. I think when the person up thread said it defaulted to 60A he meant when you do the initial setup, it defaults to 60A?

 

[notouchie123]

Hi @notouchie123, good advice on this thread. One thing I wanted to mention is about the title. Your situation is considered Level 2 charging at home, not Level 3. Some people refer to DC Fast charging in public as Level 3, but that really is a misnomer according to the Society of Automotive Engineers (SAE) - they would call that DC Level 1 or DC Level 2 (but I think Level 3 is okay when referring to public DC Fast charging). Just thought I'd mention it for your information...Here is a link to the SAE charging page on wikipedia...

SAE J1772 - Wikipedia

en.wikipedia.org

Aha, maybe it’s a 3rd generation wall charger - vs Level 3 charging. Thanks for clarification