60 cells, poly (6″), Anti-dumping tariff free

NCD Anti-dumping tariff free module with high efficiency of up to 15.7% due to leading, cutting-edge technology

NCD Positive output tolerance of 0-5% ensures 100% performance from Day 1

NCD Current sorting as an extra service provides additional output of up to 2%

STC STP255- 20/Wd STP250- 20/Wd STP245- 20/Wd STP240- 20/Wd
Maximum Power at STC (Pmax) 255W 250W 245W 240W
Optimum Operating Voltage (Vmp) 30.8V 30.7V 30.5V 30.2V
Optimum Operating Current (Imp) 8.28A 8.15A 8.04A 7.95A
Open Circuit Voltage (Voc) 37.6V 37.4V 37.3V 37.2V
Short Circuit Current (Isc) 8.76A 8.63A 8.52A 8.43A
Module Efficiency 15.7% 15.4% 15.1% 14.8%
Operating Module Temperature -40 °C to +85 °C
Maximum System Voltage 1000 V DC (IEC)
Maximum Series Fuse Rating 20 A
Power Tolerance 0/+5 %
NOCT STP255- 20/Wd STP250- 20/Wd STP245- 20/Wd STP240- 20/Wd
Maximum Power at NOCT (Pmax) 188W 185W 181W 178W
Optimum Operating Voltage (Vmp) 28.1V 28.0V 27.8V 27.6V
Optimum Operating Current (Imp) 6.68A 6.59A 6.51A 6.44A
Open Circuit Voltage (Voc) 34.7V 34.5V 34.3V 34.1V
Short Circuit Current (Isc) 7.12A 7.01A 6.94A 6.86A
NOCT: Irradiance 800 W/m2, ambient temperature 20 °C, AM=1.5, wind speed 1 m/s; Best in Class AAA solar simulator (IEC 60904-9) used, power measurement uncertainty is within +/- 3%

Nominal Operating Cell Temperature (NOCT) 45±2°C
Temperature Coefficient of Pmax -0.43 %/°C
Temperature Coefficient of Voc -0.33 %/°C
Temperature Coefficient of Isc 0.067 %/°C
Solar Cell Monocrystalline silicon 156 × 156 mm (6 inches)
No. of Cells 60 (6 × 10)
Dimensions 1640 × 992 × 35mm (64.6 × 39.1 × 1.4 inches)
Weight 18.2 kgs (40.1 lbs.)
Front Glass 3.2 mm (0.13 inches) tempered glass
Frame Anodized aluminium alloy
Junction Box IP67 rated (3 bypass diodes)
Output Cables TUV (2Pfg1169:2007), UL 4703
  4.0 mm2 (0.006 inches2), symmetrical lengths (-) 1000mm (39.4 inches) and (+) 1000 mm (39.4 inches)
Connectors MC4 connectors
Container 40’ HC
Pieces per pallet 30
Pallets per container 28
Pieces per container 840

Warranty based on nominal power
97% in the first year, thereafter, for years two (2) through twenty-five (25), 0.7% maximum decrease from MODULE’s nominal power output per year, ending with the 80.2% in the 25th year after the defined 25 WARRANTY STARTING DATE.

10-year material and workmanship warranty