Recent content by RevMikeB

How do you know what temperature was used when the solar panel was rated? I'm assuming that is where you are getting the 37.2C drop when assuming the 10F? (EDIT: Never mind: you got it from the 25C temp on the sticker minus -12.2C = 37.2C drop. Got it.

Ok, so I'd need four of those DC breakers and four surge protectors. To wire, I bring the first string from the PV (+ & -) into the top of the breaker. The + & - are run out of the bottom of the breaker directly to line 1 (+ & -) DC input in the inverter. The surge protector is installed...

So maybe a 15 amp breaker would work, considering most will only trip higher than the rating anyway.

This calculator says 11.875 Amp breaker when inputting 5,700W, 600V, and 25 S.P. in calculator. https://www.allumiax.com/breaker-size-calculator

I'm obviously new at this, so forgive my ignorance, but if each string has under 600 volts or 9 amps, it sounds like a 1000V breaker on each string is too much, unless it is the amp rating that I should focus upon.

No, I'm running all strings in series. The volts will be between 500l-600 volts per string. Amps will be 9 amps per string.

The panels have 8.97 max current in Amps, and I will be running all strings in series. The inverter max is 13.5A per string

Wouldn't this one be better, since its 600Volts...

My big question is if 1000V breakers and surge protectors for each string are too much given that each string is NOT supposed to be more than the following: Max. Input Power per MPPT [W]: 5700 Max. Input Voltage per MPPT [V]: 600 Max. Input Current per MPPT [A]: 13.5

Ok, so I'd need four of those DC breakers and four surge protectors. To wire, I bring the first string from the PV (+ & -) into the top of the breaker. The + & - are run out of the bottom of the breaker directly to line 1 (+ & -) DC input in the inverter. The surge protector is installed...

I think I'd need/go with a metal box for outside with some kind of grounding bar inside.

That looks good. Can that box be mounted outside, or is that for inside only? I like the look of it. It looks like all of that would work for me, if I'm not correct, please say. However, the box doesn't look rated for outside, which is what I'd like. Do the surge protectors have fuses in them?

So, as many of you know, I'm running 3 strings from the house and 1 string from an extended garage that will each carry a lot of DC current. All four strings will be running separately with 8AWG right up close to the inverter. I'd like to install a box next to the inverter with 4 inputs for the...

What would the calculator say for 18F?

In Raleigh, N.C., the lowest low in the last 3 years was: Oct. 2021 +42F Nov. 2021 +25F Dec. 2021 +28F Jan. 2022 +17F Feb. 2022 +27F Mar. 2022 +27 Oct. 2020 +48F Nov. 2020 +29F Dec. 2020 +24F Jan. 2021 +25F Feb. 2021 +23F Mar. 2021 +25 Oct. 2019 +40F Nov. 2019 +24F Dec. 2019 +27F Jan. 2020...