
Solar panel · Trina Solar
Vertex S+ NEG9R.28
The figures below come from the Trina Solar datasheet. Choose the version named on your quote to see its exact values.
- Rated power
- 450 W
- Efficiency
- 22.5 %
- Product warranty
- 25 years
Manufacturer’s document · TSM_EN_2026_A
TSM-450NEG9R.28: Specifications
Power and efficiency
See the test conditions the manufacturer states.
- Rated power
- 450 W
- Efficiency
- 22.5 %
Size and weight
The dimensions help plan the layout on your roof.
- Dimensions
- 1,762 × 1,134 × 30 mm
- Weight
- 21 kg
Electrical values
These values are used to design the installation.
- Voltage at maximum power (Vmp)
- 44.6 V
- Current at maximum power (Imp)
- 10.09 A
- Open-circuit voltage (Voc)
- 52.9 V
- Short-circuit current (Isc)
- 10.74 A
Performance in heat
These coefficients describe how performance changes with temperature.
- Temperature coefficient of power
- -0.29 %/°C
- Temperature coefficient of voltage
- -0.24 %/°C
- Temperature coefficient of current
- 0.04 %/°C
Warranties
Check the manufacturer’s terms for this model in the UK.
- Product warranty
- 25 years
- Power warranty
- 30 years
- Guaranteed power retained
- 87.4 %
