Solar Stack
Solar Stack
How it worksGuidesAdd Equipment
Sign in
Solar Stack

Free solar panel & inverter compatibility checker. Verify your PV string configuration is safe before installation.

Tools

  • Calculator
  • Panel Matcher
  • Inverter Finder
  • Inverter Compare
  • Panel Replacement
  • Cable sizing

Resources

  • Guides
  • How it works
  • Standards & Compliance
  • Data API
  • Replacement methodology
  • Add Equipment
  • Feedback

Legal

  • About
  • Privacy Policy
  • Terms of Service
  • Cookie Policy

© 2026 Solar Stack

All replacements

Find replacement for GCL-NT12R/54GDF 510

510 W TOPCon solar panel with 108 cells. Voc 39.6 V · Isc 16 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

147 panels found · 4192 panels excluded

GCL-NT12R/54GDF 505

505 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.45 V0.4%
Vmpp33.55 V33.36 V0.6%
Isc16 A15.94 A0.4%
Impp15.2 A15.14 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
GCL-NT12R/54GDF 515

515 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.78 V0.5%
Vmpp33.55 V33.75 V0.6%
Isc16 A16.06 A0.4%
Impp15.2 A15.26 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
München Solar MSMD500M10NR1-108BG

500 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.1 V1.3%
Isc16 A16.08 A0.5%
Impp15.2 A15.11 A0.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Ulica Solar UL-495M-108DDGN-FLOW

495 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.67 V0.2%
Vmpp33.55 V33.02 V1.6%
Isc16 A15.9 A0.6%
Impp15.2 A14.99 A1.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
AE Solar CMER-108BDE-500

500 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.6 V0.1%
Isc16 A15.94 A0.4%
Impp15.2 A14.88 A2.1%
TcVoc-0.25 %/°C-0.24 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Jolywood JW-HD108N-R2-515

515 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.63 V0.1%
Vmpp33.55 V34.04 V1.5%
Isc16 A15.96 A0.2%
Impp15.2 A15.13 A0.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.28 %/°C±0.010 %/°C
DAH Solar DHN-54Z16/DG-490W

490 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.5 V0.3%
Vmpp33.55 V33.5 V0.1%
Isc16 A15.58 A2.6%
Impp15.2 A14.63 A3.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-54Z16/DG(BW)-495W

495 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.7 V0.4%
Isc16 A15.64 A2.2%
Impp15.2 A14.69 A3.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-54Z20/DG-495W

495 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.7 V0.4%
Isc16 A15.64 A2.2%
Impp15.2 A14.69 A3.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-54Z20/DG(BB)-495W

495 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.7 V0.4%
Isc16 A15.64 A2.2%
Impp15.2 A14.69 A3.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-54Z20/DG(BW)-495W

495 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.7 V0.4%
Isc16 A15.64 A2.2%
Impp15.2 A14.69 A3.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-54Z16/DG-495W

495 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.6 V39.7 V0.3%
Vmpp33.55 V33.7 V0.4%
Isc16 A15.64 A2.2%
Impp15.2 A14.69 A3.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

Already have panels?

Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.

How the Algorithm Works

Learn how panels are scored and matched

Original Panel Specs

Voc

39.6 V

Vmpp

33.55 V

Isc

16 A

Impp

15.2 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

510 W

Cells

108

Bifaciality

80%

Length

1962 mm

Width

1134 mm

Thickness

30 mm

Weight

27.3 kg

The GCL-NT12R/54GDF 510 is a 510 W solar panel. Finding a compatible replacement requires matching the original electrical characteristics — particularly Voc, Vmpp, Isc, and temperature coefficients — to ensure safe operation within the same string.

Use the form above to find panels that match these specifications. Then verify the replacement in the String Compatibility Calculator with your inverter.

Other models in this series

ModelPowerVocIsc
GCL-NT12R/54GDF 505505 W39.45 V15.94 A
GCL-NT12R/54GDF 515515 W39.78 V16.06 A

Frequently Asked Questions

What specs must match when replacing the GCL-NT12R/54GDF 510?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 39.6 V (within ±5%), and temperature coefficient TcVoc close to -0.25%/°C. If Voc differs significantly, the string voltage at extreme temperatures may shift outside the inverter's MPPT range. The replacement finder above pre-screens all candidates by these criteria.

Can I use a higher wattage replacement for the GCL-NT12R/54GDF 510?

A higher wattage panel usually has a higher Vmpp or Isc, which can affect string voltage and current. Small increases (up to 10–15%) are typically safe if the other electrical specs align. The replacement finder shows a compatibility score — 'Exact match' means the specs align closely. Always verify the replacement in the String Compatibility Calculator with your inverter before installation.

What happens if the replacement panel has different voltage specs?

If the replacement has a significantly different Voc or Vmpp, the string voltage may shift outside the inverter's MPPT range, reducing energy production or causing faults. This effect is amplified at temperature extremes: at low temperatures, voltage rises by the TcVoc coefficient. The replacement finder automatically accounts for this — it scores candidates by how closely the electrical specs match the original GCL-NT12R/54GDF 510.