Solar module ST40 (Preliminary)
The Siemens ST40 solar (photovoltaic)
module converts energy contained in
sunlight directly into electricity. It is a
solid-state generator that operates
silently, without fuel, waste or pollution.
The ST40 performs efficiently in all
operational conditions. Its distinctive
ability to deliver battery-charge power
levels in low-light situations makes it
particularly effective for specialized
applications and in adverse or changeable
environments.
Siemens advanced PowerMax®
thin film technology
The ST40 module is composed of a
monolithic structure of series-connected
Copper Indium Diselenide (CIS) based
solar cells. These multiple-layer cells, a
product of Siemens proprietary material,
structure and process technologies,
called PowerMax® thin film technology,
are characterized by exceptional spectral
response and long-term performance
integrity. They give the ST40 performance
efficiency similar to crystalline photo-voltaic
modules.
Engineered for durability and ease of
use, the ST40 is manufactured under
strict quality controls in ISO 9001
certified facilities. A black-anodized
aluminum frame secures the glass-front
laminate which encapsulates, protects
and electrically isolates the solar cells.
This rugged construction enables the
ST40 to endure even severe environ-mental
events and continue to generate
power reliably and efficiently.
Exacting standards of quality plus the
proven performance of Siemens
advanced photovoltaic technologies,
make the ST40 an ideal choice for select
commercial and industrial solar systems.
Advanced solar technology
• Proprietary multiple-layer CIS solar cells capture a
broad spectrum of light energy to deliver excellent
power performance – even in reduced-light or in
poor weather conditions.
• A conductive front layer of zinc oxide provides
superior light transmission and trapping properties
to enhance power output.
• Monolithic interconnected structure of series-
connected cells contributes to high reliability.
Durable construction
• Every module is subject to final factory review,
inspection and test to assure compliance with
electrical, mechanical and visual criteria.
• Ultra-clear tempered glass front provides excellent
light transmission and protects from wind, hail,
particle damage and impact.
• Solar cells are laminated between a multi-layered
polymer backsheet and layers of ethylene vinyl
acetate (EVA) for environmental protection,
moisture resistance and electrical isolation.
• Torsion and corrosion resistant anodized-aluminum
module frame helps assure dependable
performance, even through harsh weather
conditions.
• Durable multiple-layered backing system provides
the module underside with protection from
scratching, cuts, breakage and most
environmental conditions.
• Laboratory tested for a wide range of operating
conditions.
• Manufactured in ISO 9001 certified facilities to
exacting Siemens quality standards.
Easy installation and use
• Two-conductor, 5’ [1.54m], (minimum length),
UV stable cable facilitates a variety of mounting
schemes and permits easy field wiring.
• Pre-drilled frame mounting holes are strategically
positioned for secure and easy installations.
• Uniform flat-black appearance of module and
frame is visually compatible with a variety of
installation requirements.
Performance warranty
• 5 Year limited warranty on power output.
1) Wp (Watt peak) = Peak power
(Minimum Wp = 34.2 Watts)
Under standard test conditions:
Air Mass AM = 1.5
Irradiance E = 1000 W/m 2
Cell temperature T c = 25 °C
2) Normal Operating Cell Temperature at:
Irradiance E = 800 W/m 2
Ambient temperature T a = 20 °C
Wind Speed v w = 1 m/s
3) Diagonal lifting of module plane.
Solar module ST40 (Preliminary)
Your address for photovoltaics from Siemens Solar
38
2.29
16.6
2.59
22.2
47±2
0.26mA / °C
-0.1V/ °C
-40 to +85
600v
50 [2400]
1.2
1.0 [25]
52 [v=23]
15.1 [7.02]
Electrical parameters
Maximum power rating Pmax [Wp] 1)
Rated current IMPP [A]
Rated voltage VMPP [V]
Short circuit current ISC [A]
Open circuit voltage VOC [V]
Thermal parameters
NOCT 2) [°C]
Temp. coefficient: short-circuit current
Temp. coefficient: open-circuit voltage
Qualification test parameters
Temperature cycling range [°C]
Maximum system voltage [V]
Wind Loading PSF [N/m 2 ]
Maximum distortion 3) [°]
Hailstone impact Inches [mm]
MPH [m/s]
Weight Pounds [kg]
Voltage-current characteristic
0
0.5
1
1.5
2
2.5
0 5 10 15 20 25
Voltage (volts)
1000 W/M2, 25 C
1000 W/M2, 47 C
800 W/M2, 47 C
ProCharger™-S
Junction-box
Maximum Cable
diameter: 4mm 2
Type of protection: IP44
Module dimensions