ET MODULE
Polycrystalline
ET-P660250WW
ET-P660245WW
ET-P660240WW
ET-P660235WW
ET-P660230WW
ET-P660225WW
250W
245W
240W
235W
230W
225W
Features
Benefits
High module conversion efficiency, through
superior manufacturing technology
25-year linear performance warranty;
10-year warranty on materials and workmanship
0 to +5W positive tolerance for mainstream
products
Product liability insurance
Withstand high wind loads and snow loads
(5400Pa)
Local warehousing
Anodized aluminum improving corrosion
resistance
Enhanced design for easy installation and longterm reliability
Anti-reflective highly transparent, low iron
tempered glass
Excellent performance under low light
conditions
Local technical support
48 hour-response service
100%
ADD
97%
ED
Linear performance warranty from ET Solar
VAL
UE
FRO
Standard tiered warranty
MW
ARR
ANT
Y
90%
81.4%
80%
0%
1
IEC 61701
5
10
years
15
20
25
BABT8510
M/ET-CP-EN-EU2012V4
www.etsolar.com
ELECTRICAL SPECIFICATIONS
Model Type
ET-P660250WW ET-P660245WW ET-P660240WW ET-P660235WW ET-P660230WW ET-P660225WW
Peak Power (Pmax)
250W
245W
240W
235W
230W
225W
Module Efficiency
15.37%
15.06%
14.75%
14.44%
14.14%
13.83%
Maximum Power Voltage (Vmp)
30.34V
30.14V
29.96V
29.83V
29.64V
29.58V
Maximum Power Current (Imp)
8.24A
8.13A
8.02A
7.88A
7.66A
7.61A
Open Circuit Voltage (Voc)
37.47V
37.27V
37.17V
37.08V
36.75V
36.68V
Short Circuit Current (Isc)
8.76A
8.73A
8.58A
8.50A
8.33A
8.25A
Power Tolerance
±3%
0 to +5W
0 to +5W
0 to +5W
0 to +5W
0 to +5W
Maximum System Voltage
DC 1000V
Nominal Operating Cell Temperature
45.3±2℃
Series Fuse Rating (A)
20A
Number of Bypass Diode
3
MECHANICAL SPECIFICATIONS
Cell type
PHYSICAL CHARACTERISTICS
Unit:mm (inch)
156mm x 156mm
60 cells in series
50
20.5
0
0'
4
4
(64.57×39.06×1.57 inch)
-3
11
21± 1
8
50
1640×992×40 mm
Dimensions
8
40 (1.57)
45°
19.32kg (42.59 lbs)
Weight
11
Junction box
TEMPERATURE COEFFICIENT
0.04 %/℃
Temp. Coeff. of Voc (TK Voc)
-0.34 %/℃
1640(64.57)
8-14×9
(0.55×0.35)
Temp. Coeff. of Isc (TK Isc)
Temp. Coeff. of Pmax (TK Pmax)
1050(41.34)
5400Pascals ( 112 lb/ft2)
Max Load
-0.44 %/℃
860(33.86)
1360(53.54)
1640(64.57)
Number of cells
4-φ4
cable(-) cable(+)
35(1.38)
Container
40’ GP
26
26
Pallets per Container
12
28
Pieces per Container
312
728
10(0.39)
20’ GP
Pieces per Pallet
17.5(0.69)
BIG CARTON PACKING MANNER
954(37.56)
992(39.06)
992(39.06)
ELECTRICAL CHARACTERISTICS
Electrical performance
(cell temperature:25℃)
150
136.1 W
100
4
88.7 W
0
0
50
41.7 W
0
5
10
15
20
25
30
35
40
800 W/m2
600 W/m2
100
80
Voc
Pmax
60
40
20
0
-25
Temp.Coeff.of Isc =+0.04%/℃
Temp.Coeff.of Voc =-0.34%/℃
Temp.Coeff.of Pmax=-0.44%/℃
400 W/m2
80
60
40
20
ISC
Pmax
0
0
25
50
75
100
Cell Temperature (℃)
Voltage(V)
1000 W/m2
Power(W)
Current(A)
183.3 W
6
Voc
ISC
Normalize Isc,Voc and Pmax(%)
200
Normalize Isc,Voc and Pmax(%)
230.2 W
8
100
120
250
10
2
Irradiance dependence of Isc,
Voc and Pmax (cell temperature:25℃)
Temperature dependence of Isc,
Voc and Pmax
0
400
200
Irradiance
600
800
1000
(W/m2)
200 W/m2
Note: the specifications are obtained under the Standard Test Conditions (STCs): 1000 W/m2 solar irradiance, 1.5 Air Mass, and cell temperature of 25 C.
o
The NOCT is obtained under the Test Conditions : 800 W/m2, 20°C ambient temperature, 1 m/s wind speed, AM 1.5 spectrum.
Please contact support@etsolar.com for technical support. The parameters are for reference only, and are subject to change without notice or obligation.