E20/435 SOLAR PANEL
20% EFFICIENCY
SunPower E20 panels are the highestefficiency panels on the market today,
providing more power in the same
amount of space
MAXIMUM SYSTEM OUTPUT
Comprehensive inverter compatibility
ensures that customers can pair the highestefficiency panels with the highest-efficiency
inverters, maximizing system output
REDUCED INSTALLATION COST
More power per panel means fewer panels
per install. This saves both time and money.
RELIABLE AND ROBUST DESIGN
SunPower’s unique MaxeonTM cell
technology and advanced module
design ensure industry-leading reliability
THE WORLD’S STANDARD FOR SOLAR
TM
SunPowerTM E20 Solar Panels provide today’s highest efficiency and
performance. Powered by SunPower MaxeonTM cell technology, the E20
series provides panel conversion efficiencies of up to 20.1%. The E20’s
low voltage temperature coefficient, anti-reflective glass and exceptional
low-light performance attributes provide outstanding energy delivery per
peak power watt.
SUNPOWER’S HIGH EFFICIENCY ADVANTAGE
20%
18%
15%
14%
10%
10%
5%
THIN FILM
CONVENTIONAL
sunpowercorp.com
Patented all-back-contact solar cell,
providing the industry’s highest
efficiency and reliability
19%
20%
E20/435 SOLAR PANEL
MO DE L : S P R- 4 3 5 NE - W H T- D
ELECTRICAL DATA
I-V CURVE
Measured at Standard Test Conditions (STC): irradiance of 1000 W/m², AM 1.5, and cell temperature 25° C
Pmax
435 W
1000 W/m² at 50° C
Cell Efficiency
η
22.5 %
1000 W/m²
Panel Efficiency
η
20.1 %
800 W/m²
Rated Voltage
Vmpp
72.9 V
Rated Current
Impp
5.97 A
Open-Circuit Voltage
Voc
85.6 V
Short-Circuit Current
Isc
6.43 A
Maximum System Voltage
UL
600 V
Temperature Coefficients
Power (P)
– 0.38%/K
Voltage (Voc)
– 235.5 mV/K
Current (Isc)
3.5 mA/K
Current (A)
Peak Power (+/– 5%)
200 W/m²
80
Current/voltage characteristics with dependence on irradiance and module temperature.
45° C +/– 2° C
Series Fuse Rating
20 A
TESTED OPERATING CONDITIONS
Positive grounding not required
Temperature
– 40° F to +185° F (– 40° C to + 85° C)
Max load
113 psf 550 kg/m² (5400 Pa), front (e.g. snow)
w/specified mounting configurations
50 psf 245 kg/m2 (2400 Pa) front and back
(e.g. wind)
MECHANICAL DATA
Solar Cells
128 SunPower MaxeonTM cells
Front Glass
High-transmission tempered glass with
anti-reflective (AR) coating
Junction Box
IP-65 rated with 3 bypass diodes
Impact Resistance
Frame
Anodized aluminum alloy type 6063 (silver);
stacking pins
Weight
56.0 lbs. (25.4 kg)
D
25-year limited power warranty
1
Warranties
2
700 mm cables / Multi-Contact (MC4) 3connectors
4
Hail: (25 mm) at 51 mph (23 m/s)
WARRANTIES AND CERTIFICATIONS
Dimensions: 32 x 155 x 128 mm
Output Cables
90
Voltage (V)
NOCT
Grounding
500 W/m²
10-year limited product warranty
Certifications
Tested to UL 1703. Class C Fire Rating
D
DIMENSIONS
300 11.81
4X 398 15.68
(C)
4X 230.4 9.07
1046 41.18
523.0 20.59
(B)
(A)
54 2.13
B
539 21.22
4X 3.2 .13
(C)
(B) - GROUNDING HOLES
8X Ø4.2 [.17]
C
(B)
(B)
BOTH
ENDS
2067 81.36
(A) - MOUNTING HOLES
16X Ø6.6 [.26]
433 17.06
322 12.67
C
B
764 30.07
2X 684.1 26.93
29.5 1.16
1002 39.45
MM
(IN)
883 34.78
1200 47.24
1423 56.02
(C) - STACKING PINS
4X Ø6.1 X 3.2 [Ø.24 X .13]
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MM
TOLERANCES ARE:
3939 NORTH FIRST STREET
SAN JOSE, CA 95134 USA
(408) 240-5500
Please read safety and installation instructions before using this product, visit sunpowercorp.com
for more details.
A
A
MODULE ASSEMBLY,
128-CELL,
sunpowercorp.com
© 2011 SunPower Corporation. SUNPOWER, the SunPower Logo, and THE WORLD’S STANDARD FOR SOLAR, and MAXEON are trademarks or registered trademarks
DECIMALS
ANGLES
DO NOT SCALE DRAWING
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION OF THE SUNPOWER
CORPORATION, AND ITS RECEIPT OR
POSSESSION DOES NOT CONVEY ANY RIGHTS
TO REPRODUCE, DISCLOSE ITS CONTENTS,
OR TO MANUFACTURE, USE, OR SELL
ANYTHING IT MAY DESCRIBE.
REPRODUCTION, DISCLOSURE, OR USE
WITHOUT SPECIFIC WRITTEN AUTHORIZATION
OF THE SUNPOWER CORPORATION IS
STRICTLY FORBIDDEN.
MATERIAL
of SunPower Corporation in the US and other countries as well. All Rights Reserved. Specifications included in this
datasheet are subject to change without notice.
FINISH
4
3
DRAWN
DATE
CHECKED
DATE
11/23/10
Z. Kinyon
2
DATASHEET DRAWING
Document #001-65754 Rev*A / LTR_EN
SIZE
DOCUMENT NUMBER
B
SCALE
001-53962
1:16
001-04212 DRAWING TEMPLATE
B SIZE MILLIMETER
1
REV.
*C
SHEET 1 OF 1
CS 11_318