**

Certifications and standards: IEC 61215, IEC 61730, conformity to CE

Power Output

STP290 - 20/WfhSTP285 - 20/WfhSTP280 - 20/Wfh

3800Pa5400Pa

PIDResistant

•World-classmanufacturerofcrystallinesiliconphotovoltaicmodules•Unrivaledmanufacturingcapacityandworld-classtechnology• Rigorousqualitycontrolmeetingthehighestinternationalstandards:ISO9001:2008,ISO14001:2004andISO17025:2005

• Regularindependentlycheckedproductionprocessfrominternationalaccreditedinstitute/company

• Testedforharshenvironments(saltmist,ammoniacorrosionandsandblowingtesting:IEC61701,IEC62716,DINEN60068-2-68)***

• Long-termreliabilitytests• 2x100%ELinspectionensuringdefect-freemodules

• 97.5%inthefirstyear,thereafter,foryearstwo(2)throughtwenty-five(25),0.7%maximumdecreasefromMODULE’snominalpoweroutputperyear,endingwiththe80.7%inthe25thyearafterthedefinedWARRANTYSTARTINGDATE.****

• 12-yearproductwarranty• 25-yearlinearperformance

Theuniquecelldesignleadstoreducedelectrodesresistanceandsmallercurrent,thusenableshigherfillfactoranddecrementofCTMlosses.Meanwhile,itcanreducelossesofmismatchandcellwear,andincreasetotalreflection.

Special Cell Design

lower hot spotsReducethehotspotsandminimizepaneldegradation

High PID resistant AdvancedcelltechnologyandqualifiedmaterialsleadtohighresistancetoPID

290WattPOLY HALF CELL SOLAR MODULE

Features

Weak light

High power outputComparedtonormalmodule,thepoweroutputcanincrease5-10W

Excellent weak light performanceMorepoweroutputinweaklightcondition,suchashaze,cloudy,andmorning

Trust Suntech to Deliver Reliable Performance Over Time

Industry-leading Warranty based on nominal

*PleaserefertoSuntechStandardModuleInstallationManualfordetails.**WEEEonlyforEUmarket.***PleaserefertoSuntechProductNear-coastInstallationManualfordetails.****PleaserefertoSuntechProductWarrantyfordetails.

IP68 Rated Junction Box

Extended wind and snow load testsModulecertifiedtowithstandextremewind(3800Pascal)andsnowloads(5400Pascal)*

Withstanding harsh environmentReliablequalityleadstoabettersustainabilityeveninharshenvironmentlikedesert,farmandcoastline

Industry leading linear warranty

Warranted

Pow

erOutpu

t 100%

10

97.5%

80%25

90%

80.7%

110 25

©Copyright2017Suntech

TheSuntechIP68ratedjunctionboxensuresanoutstandingwaterprooflevel,supportsinstallationsinallorientationsandreducesstressonthecables.Highreliableperformance,lowresistanceconnectorsensuremaximumoutputforthehighestenergyproduction.

IEC-STP-Wfh-NO1.01-Rev2017www.suntech-power.com

1000W/m2 800W/m2 600W/m2 400W/m2 200W/m2

ElectricalCharacteristics

STC STP290-20/Wfh

STP285-20/Wfh

STP280-20/Wfh

MaximumPoweratSTC(Pmax) 290W 285W 280W

OptimumOperatingVoltage(Vmp) 31.4V 31.3V 31.2V

OptimumOperatingCurrent(Imp) 9.24A 9.11A 8.98A

OpenCircuitVoltage(Voc) 38.5V 38.3V 38.1V

ShortCircuitCurrent(Isc) 9.58A 9.48A 9.37A

ModuleEfficiency 17.5% 17.2% 16.9%

OperatingModuleTemperature -40°Cto+85°C

MaximumSystemVoltage 1000VDC(IEC)

MaximumSeriesFuseRating 20A

PowerTolerance 0/+5WSTC:lrradiance1000W/m2,moduletemperature25°C,AM=1.5;BestinClassAAAsolarsimulator(IEC60904-9)used,powermeasurementuncertaintyiswithin+/-3%

NOCT STP290-20/Wfh

STP285-20/Wfh

STP280-20/Wfh

MaximumPoweratNOCT(Pmax) 214.3W 210.3W 206.4W

OptimumOperatingVoltage(Vmp) 29.2V 29.0V 28.8V

OptimumOperatingCurrent(Imp) 7.33A 7.25A 7.16A

OpenCircuitVoltage(Voc) 35.4V 35.2V 35.0V

ShortCircuitCurrent(Isc) 7.77A 7.69A 7.60ANOCT:Irradiance800W/m2,ambienttemperature20°C,AM=1.5,windspeed1m/s;BestinClassAAAsolarsimulator(IEC60904-9)used,powermeasurementuncertaintyiswithin+/-3%

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All technical data at standard test conditionAM=1.5 E=1000W/m 2 Tc=25℃For field connections, use minimum No. 12 AWG copperwires insulated for a minimum of 90 ℃Fire class rating: Fire Class C ,

Model NumberRated Maximum PowerOutput ToleranceCurrent at PmaxVoltage at PmaxShort-Circuit CurrentOpen-Circuit VoltageNominal Operating Cell Temp.WeightDimensionMaximum System VoltageMaximum Series Fuse RatingCell Technology

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Add: No.16 Xinhua Road, New District Wuxi, China 214028Wuxi.Suntech Power Co.Ltd

Made in China

Hazardous electricity can shock, burnor cause death. Do not touch terminals.

ij1000Vlm

Application Class A

Conforms toUL 1703

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Customer Service Hot Line: +86 400 8888 009 Fax:+86 510 8534 3321

Mechanical CharacteristicsSolarCell Polycrystallinesilicon6inches

No.ofCells 120(6×20)

Dimensions 1670×992×35mm(65.7×39.1×1.4inches)

Weight 18.5kgs(40.8lbs.)

FrontGlass 3.2mm(0.13inches)temperedglass

Frame Anodizedaluminiumalloy

JunctionBox IP68rated(3bypassdiodes)

OutputCables TUV(2Pfg1169:2007)

4.0mm2(0.006inches2),symmetricallengths(-)1000mm(39.4inches)and(+)1000mm(39.4inches)

Connectors MC4compatible

Dealer information

Informationonhowtoinstallandoperatethisproductisavailableintheinstallationinstruction.Allvaluesindicatedinthisdatasheetaresubjecttochangewithoutpriorannouncement.Thespecificationsmayvaryslightly.AllspecificationsareinaccordancewithstandardEN50380.Colordifferencesofthemodulesrelativetothefiguresaswellasdiscolorationsof/inthemoduleswhichdonotimpairtheirproperfunctioningarepossibleanddonotconstituteadeviationfromthespecification.

Current-Voltage&Power-VoltageCurve(290-20)

TemperatureCharacteristics

NominalOperatingCellTemperature(NOCT) 45±2°C

TemperatureCoefficientofPmax -0.41%/°C

TemperatureCoefficientofVoc -0.33%/°C

TemperatureCoefficientofIsc 0.067%/°C

E-mail:sales@suntech-power.com www.suntech-power.com IEC-STP-Wfh-NO1.01-Rev2017

Packing ConfigurationContainer 20’ GP 40’ HC

Piecesperpallet 30 30

Palletspercontainer 6 26

Piecespercontainer 180 780

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)

Curr

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Vlotage(V)

STP290 - 20/WfhSTP285 - 20/WfhSTP280 - 20/Wfh