Specifications

19
Conext
™
Grid Tie Inverters
Electrical specifications
Models 2.8 kW 3.3 kW 3.8 kW 5.0 kW
Input (DC)
MPPT,voltagerange(CEC&CSA) 195to550V 195to550V 195to550V 240to550V  
MPPT,operatingrange 193to550V 193to550V 193to550V 235to550V  
Max.opencircuitvoltage 600V 600V 600V 600V
Max.DCcurrent 15.4A/14.9A 18.0A/17.0A 20.8A/19.5A 22.0A/20.0A 
Max.DCshortcircuitcurrent 24.0A 24.0A 24.0A 24.0A
Max.utilitybackfeedcurrent0A 0A 0A 0A
Reverse-polarityprotection Short-circuitdiode Short-circuitdiode Short-circuitdiode Short-circuitdiode
Ground-faultprotection GFdetection,IDIF>1A GFdetection,IDIF>1A GFdetection,IDIF>1A GFdetection,IDIF>1A
Nighttimetareloss 1W 1W 1W 1W
Output (AC)
NominalACpower 2.8kW/2.7kW 3.3kW/3.1kW 3.8kW/3.5kW 5.0kW/4.5kW 
NominalACvoltage 240V/208V 240V/208V 240V/208V 240V/208V  
ACvoltagerange Autodetect240Vto208V Autodetect240Vto208V Autodetect240Vto208V Autodetect240Vto208V
Nominalfrequency 60
Hz 60Hz 60Hz 60Hz
Max.ACcurrent 11.7A/13A 13.8A/14.9A 15.8A/16.8A 21A/22A  
Powerfactor >0.99(atratedpower),>0.95(fullpowerrange)
Max.ACovercurrentprotection 20A 20A 20A/25A 30A  
Totalharmonicdistortion(THD) <5% <5% <5% <5%
Outputcharacteristics CurrentSource CurrentSource CurrentSource CurrentSource
Waveform Truesinewave Truesinewave Truesinewave Truesinewave
Efficiency
Maximum 95%/94.6% 95.8%/95.6% 95.9%/95.6% 95.9%/95.5% 
CECweighted 94%/93.5% 95%/95% 95%/95% 95.5%/95% 
General specifications
Enclosurerating NEMA3R(outdoorrating) NEMA3R(outdoorrating) NEMA3R(outdoorrating) NEMA3R(outdoorrating)
Weight 30.21kg(66.6lb) 31.75kg(70lb) 36.42kg(80.3lb) 38.1kg(84lb)
Dimensions(HxWxD) 88.8x40.3x18.5cm 88.8x40.3x18.5cm 98.8x40.3x18.5cm 98.8x40.3x18.5cm  
 (35.4x16x7.3in) (35.4x16x7.3in) (38.9x16x7.3in) (38.9x16x7.3in)
Shippingdimensions(HxWxD) 106.5x57.7x26.0cm 106.5x57.7x26.0cm 116.5x57.7x26.0cm 116.5x57.7x26.0cm  
 (42x22.7x10.2in) (42x22.7x10.2in) (45.8x22.7x10.2in) (45.8x22.7x10.2in)
Mounting Wallmount(mountingbracketincluded)
Operatingtemperaturerange -25°Cto65°C(-13°Fto149°F) -25°Cto65°C(-13°Fto149°F) -25°Cto65°C(-13°Fto149°F) -25°Cto65°C(-13°Fto149°F)
Partnumber(negativeground) 878-2801 878-3301 878-3801 878-5001  
Features and options
Coolingmethod Convectioncooled,fannotrequired
Display Backlit,two-line,16-characterliquidcrystaldisplayprovidesinstantaneouspower,dailyandlifetimeenergyproduction,
 PVarrayvoltageandcurrent,utilityvoltageandfrequency,timeonline"selling",faultsmessages,andinstaller-customizablescreens
Communications IntegratedRS232andXanbusTMRJ45communicationports
Inputandoutputterminal ACandDCterminalsacceptswiressizesof#14to#6AWG
PV/Utilitydisconnect EliminatesneedforexternalPV(DC)disconnect.ComplieswithNECrequirements
Wiringbox P V, utility,ground,andcommunicationsconnections.Theinvertercanbeseparatedfromthewiringbox.
Warranty 10-yearstandard
Regulatory approvals
CSACertifiedtoUL17411stEdition:inverters,converters,controllersandinterconnectionsystemequipmentforusewithdistributedenergyresources;
andCSAC22.2No.107-1-01generalusepowersupplies.
Utilitymonitoring,
islandingprotection UL1741-2010.Ed.2/IEEE1547
Specificationsaresubjecttochangewithoutnotice.