Solar Panels SUNTECH 250W monocrystalline STP250S-20 / Wd
Trust Suntech for reliable, long-term performance
First-class manufacturer of crystalline silicon photovoltaic modules
Unmatched manufacturing capability and world-class technology
Rigorous quality control that meets the highest international standards: ISO 9001: 2008, ISO 14001: 2004 and ISO17025: 2005
Production process regularly and independently verified by internationally accredited institutes / companies
Tested for adverse environments (corrosion tests of saline environment, ammonia and sandwash: IEC 61701, DIN 50916: 1985 T2, DIN EN 60068-2-68)
Positive tolerance up to 5% positive tolerance offering highest performance reliability Suntech Intensity Rating Process
Maximized system performance by reducing misalignment losses by up to 2% with modules rated and packaged by amperage
High conversion efficiency.
Module efficiency up to 15.4%, achieved through advanced cell technology and manufacturing capabilities. Excellent performance with weak light.
Excellent performance in low light conditions.
High resistance to wind and snow loads.
The module has been certified to withstand high wind loads (3,800 Pascal) and snow loads (5,400 Pascal
Withstand adverse environments.
Reliable quality leads to better sustainability, even in adverse environments such as deserts, farms and shoreline.
Electrical characteristics of SUNTECH 250W monocrystalline solar panels STP250S-20 / Wd:
Maximum power STC (Pmax) 250 W
Optimal operating voltage (Vmp) 30.7 V
Optimal operating current (Imp) 8.15 A
Open Circuit Voltage (Voc) 37.4 V
Short-circuit current (Isc) 8.63 A
Efficiency of the module 15.4%
Operating temperature -40 ° C to +85 ° C
Maximum system voltage 1000 V DC (IEC)
Maximum series fuse current 20 A
Power Tolerance 0 / + 5%
NOCT STP250S-20 / Wd
Maximum power NOCT (Pmax) 183 W
Optimal operating voltage (Vmp) 27.9 V
Optimal operating current (Imp) 6.56 A
Open Circuit Voltage (Voc) 34.4 V
Short circuit current (Isc) 6.98 A
Temperature characteristics of SUNTECH 250W monocrystalline solar panels STP250S-20 / Wd:
Nominal Operating Temperature of Cell (NOCT) 45 ± 2 ° C
Temperature coefficient of Pmax -0.44% / ° C
Temperature Coefficient of Voc -0.34% / ° C
Temperature coefficient of Isc 0.060% / ° C
Mechanical characteristics of SUNTECH 250W monocrystalline solar panels STP250S-20 / Wd:
Solar cell Monocrystalline silicon 156 × 156 mm (6 inches)
Number of cells 60 (6 × 10)
Dimensions 1640 × 992 × 35mm (64.6 × 39.1 × 1.4 inches)
Weight 18.2 kg (40.1 lbs.)
Front glass Tempered glass 3.2 mm (0.13 inches)
Frame Anodized aluminum alloy
Junction box Class IP67 (3 diode diodes)
TUV output cables (2Pfg1169: 2007) 4.0 mm2 (0.006 inches2), symmetrical lengths (-) 1,000 mm (39.4 inches) and (+) 1,000 mm (39.4 inches)
Connectors MC4 Connectors
Industry-leading warranty based on rated power
• 97% in the first year, then, from year two (2) to year twenty-five (25), 0.7% maximum nominal power output decrease per year, ending with 80.2% in year 25 after the defined WARRANTY START DATE.
• 10-year warranty on material and manufacturing workmanship
IP67 junction box
It accepts installations in several orientations. Reliable high-performance low-resistance connectors ensure maximum power output for increased power output.