Specifications

PARTNER SECTION
ELECTRICAL DATA | STC*
CS3K 300MS 305MS 310MS 315MS
Nominal Max. Power (Pmax) 300 W 305 W 310 W 315 W
Opt. Operating Voltage (Vmp) 32.5 V 32.7 V 32.9 V 33.1 V
Opt. Operating Current (Imp) 9.24 A 9.33 A 9.43 A 9.52 A
Open Circuit Voltage (Voc) 39.3 V 39.5 V 39.7 V 39.9 V
Short Circuit Current (Isc) 9.82 A 9.90 A 9.98 A 10.06 A
Module Efficiency 18.05% 18.36% 18.66% 18.96%
Operating Temperature -40°C ~ +85°C
Max. System Voltage 1500V (IEC/UL) or 1000V (IEC/UL)
Module Fire Performance
TYPE 1 (UL 1703) or
CLASS C (IEC 61730)
Max. Series Fuse Rating 30 A
Application Classication Class A
Power Tolerance 0 ~ + 5 W
* Under Standard Test Conditions (STC) of irradiance of 1000 W/m
2
, spectrum AM 1.5
and cell temperature of 25°C.
ELECTRICAL DATA | NMOT*
CS3K 300MS 305MS 310MS 315MS
Nominal Max. Power (Pmax) 224 W 228 W 231 W 235 W
Opt. Operating Voltage (Vmp) 30.2 V 30.3 V 30.5 V 30.7 V
Opt. Operating Current (Imp) 7.42 A 7.50 A 7.58 A 7.65 A
Open Circuit Voltage (Voc) 37.0 V 37.1 V 37.3 V 37.5 V
Short Circuit Current (Isc) 7.92 A 7.98 A 8.05 A 8.11 A
* Under Nominal Module Operating Temperature (NMOT), irradiance of 800 W/m
2,
spectrum AM 1.5, ambient temperature 20°C, wind speed 1 m/s.
MECHANICAL DATA
Specication Data
Cell Type Mono-crystalline, 156.75 X 78.38 mm
Cell Arrangement 120 [2 X (10 X 6) ]
Dimensions
1675 X 992 X 35 mm
(65.9 X 39.1 X 1.38 in)
Weight 18.5 kg (40.8 lbs)
Front Cover 3.2 mm tempered glass
Frame 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
Per Pallet 30 pieces
Per Container (40' HQ) 840 pieces
CS3K-305MS / I-V CURVES
* The specications and key features contained in this datasheet may deviate slightly
from our actual products due to the on-going innovation and product enhancement.
Canadian Solar Inc. reserves the right to make necessary adjustment to the information
described herein at any time without further notice.
CANADIAN SOLAR INC.
545 Speedvale Avenue West, Guelph, Ontario N1K 1E6, Canada, www.canadiansolar.com, [e-mail]
5°C
25°C
45°C
65°C
1000 W/m
2
800 W/m
2
600 W/m
2
400 W/m
2
200 W/m
2
V
A
11
10
9
8
7
6
5
4
3
2
1
0
5 10 15 20 25 30 35 40 45
V
A
5 10 15 20 25 30 35 40 45 50
11
10
9
8
7
6
5
4
3
2
1
0
Apr. 2018. All rights reserved, PV Module Product Datasheet V5.571_EN
ENGINEERING DRAWING (mm)
Rear View
Frame Cross Section A-A
Mounting Hole
35
35
11
9
14
R
8-14x9
Mounting Hole
Grounding hole
6-Ф5
944
992
990
1155 1675
180
180
35
A A
1160
1160
TEMPERATURE CHARACTERISTICS
Specication Data
Temperature Coefficient (Pmax) -0.37 % / °C
Temperature Coefficient (Voc) -0.29 % / °C
Temperature Coefficient (Isc) 0.05 % / °C
Nominal Module Operating Temperature 41 ± 3°C