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Canadian Solars modules use the latest innovative poly-PERC cell technology, increasing module power output and system reliability, ensured by 17 years of experience in module manufacturing, well-engineered module design, stringent BOM quality testing, an automated manufacturing process and 100% EL testing.

Electrical Properties

The first chart below shows power at Standard Test Condition (STC) which is at cell temperature of 25 C
The chart that follows shows what few manufacturers talk about and most avoid.  ALL Solar cells at Normal Operating Cell Temperature
produce about 20% less power

Electrical Data (STC*)

CS6U  STC* 340P 345P 350P
Nominal Max. Power (Pmax) 340 W 345 W 350 W
Opt. Operating Voltage (Vmp) 37.6 V 37.8 V 38.1 V
Opt. Operating Current (Imp) 9.05 A 9.13 A 9.21 A
Open Circuit Voltage (Voc) 45.9 V 46.0 V 46.2 V
Short Circuit Current (Isc) 9.62 A 9.69 A 9.79 A
Module Efficiency 17.49% 17.74% 18.00%
Operating Temperature -40C ~ +85C
Max. System Voltage 1000 V (IEC/UL) or 1500 V (IEC/UL)
Module Fire Performance TYPE 1 (UL 1703) or
  CLASS C (IEC 61730)
Max. Series Fuse Rating 15 A
Application Classification Class A
Power Tolerance 0 ~ + 5 W
* Under Standard Test Conditions (STC) of irradiance of 1000 W/m2, spectrum AM 1.5 and cell temperature of 25C.

Electrical Data (NMOT*)

CS6U    NMOT* 340P 345P 350P
Nominal Max. Power (Pmax) 251 W 254 W 258 W
Opt. Operating Voltage (Vmp) 34.6 V 34.8 V 35.1 V
Opt. Operating Current (Imp) 7.25 A 7.32 A 7.36 A
Open Circuit Voltage (Voc) 42.9 V 43.0 V 43.2 V
Short Circuit Current (Isc) 7.76 A 7.82 A 7.90 A
* Under Nominal Module Operating Temperature (NMOT), irradiance of 800 W/m2, spectrum AM 1.5, ambient temperature 20C, wind speed 1 m/s.

Mechanical Data

Specification Data
Cell Type Poly-crystalline, 6 inch
Cell Arrangement 72 (6 ˣ 12)
Dimensions 1960 ˣ 992 ˣ 35 mm
  (77.2 ˣ 39.1 ˣ 1.38 in)
Weight 22.4 kg (49.4 lbs)
Front Cover 3.2 mm tempered glass
Frame Material Anodized aluminium alloy
J-Box IP68, 3 bypass diodes
Cable 4.0 mm2 (IEC), 12 AWG (UL)
  1160 mm (45.7 in)
Connector T4 series

Specifications subject to change without notice.

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Contact Us: Telephone:  toll free at 1-888-810-4709 Parry Sound,Northern Ontario,Muskoka and Georgian Bay
Send mail  Linda  with questions or comments about our product or web site.

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Last modified: November 13, 2018