
1998 Solarex
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
6096-4
11/98
Printed on
Recycled Paper
0.10(2.5)MAX
SCREW HEAD
PROJECTION.
(9 PLCS.)
BACK VIEW
SECTION XDX
1.06
(26.9)
0.44
(11.2)
1.97
(50.0)
GROUNDING DETAIL
JUNCTION
BOX
24.00
(610)
0.38(9.6)
DIA. MTG.
HOLES
(8 PLCS.)
5.70 TYP
(145)
18.38
(467)
0.69
(17)
36.77
(934)
0.69
(17)
X
19.75
(502)
X
FRONT VIEW
GROUNDING
HOLE. (2 PLCS)
SEE
GROUNDING
DETAIL
Options
Blocking and bypass diodes
Solarstate charge regulator
Quality certified
MSX-50 modules are manufactured in our ISO 9001-certified
factories to demanding specifications, and are designed to
comply with IEC 1215, IEEE 1262 and CEC 503 test
requirements, including:
repetitive cycling between –40oC and 90oC;
repetitive cycling between -40oC and 85oC at 85% relative
humidity;
simulated impact of one-inch (25 mm) hail at terminal
velocity;
2700 VDC frame/cell string isolation test;
performance at low light levels;
a "damp heat" test, consisting of 1000 hours of exposure
to 85oC and 85% relative humidity;
a "hot-spot" test, which determines a module's ability to
tolerate localized shadowing (which can cause reverse-
biased operation and localized heating);
resistance to UV degradation;
robustness of electrical terminations;
simulated wind loading of 125 mph (200 kph).
Mechanical Characteristics
Weight:
Dimensions:
11.8 pounds (5.35 kg)
Dimensions in brackets are in millimeters.
Unbracketed dimensions are in inches.
Overall tolerances ±1/8”(3mm)
Typical Electrical Characteristics
1
Maximum power (P
max
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50W
Voltage at Pmax (V
mp
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17.1V
Current at Pmax (I
mp
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.92A
Guaranteed minimum P
max
. . . . . . . . . . . . . . . . . . . . . . . . .47.5W
Short-circuit current (I
sc
) . . . . . . . . . . . . . . . . . . . . . . . . . . .3.17A
Open-circuit voltage (V
oc
) . . . . . . . . . . . . . . . . . . . . . . . . . .21.1V
Temperature coefficient of I
sc
. . . . . . . . . . . .(0.065±0.015)%/°C
Temperature coefficient of V
oc
. . . . . . . . . . . . . .– (80±10)mV/°C
Temperature coefficient of power . . . . . . . . . .– (0.5±0.05)%/°C
NOCT
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47±2°C
Notes
(1) These modules are tested, labeled and shipped in 12V configura-
tion. These data represent the performance of typical 12V modules
as measured at their output terminals, and do not include the effect
of such additional equipment as diodes and cabling. The data are
based on measurements made in a solar simulator at Standard Test
Conditions (STC), which are:
illumination of 1 kW/m
2
(1 sun) at spectral distribution of AM 1.5;
cell temperature of 25oC or as otherwise specified (on curves).
Operating characteristics in sunlight may differ slightly. For charac-
teristics of modules in 6V configuration, divide the 12V voltage
characteristics by 2 and multiply current characteristics by 2.
Power values are unchanged.
(2) Under most climatic conditions, the cells in a module operate hot-
ter than the ambient temperature. NOCT (Nominal Operating Cell
Temperature) is an indicator of this temperature differential, and is
the cell temperature under Standard Operating Conditions: ambient
temperature of 20oC, solar irradiation of 0.8 kW/m
2
, and wind
speed of 1 m/s.
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2
4
6
8
12
16
20
24
IV Characteristics
Voltage(V)
C
10
14
18
22
0
T = 75
°
C
T = 50
°
C
T = 25
°
C
T = 0
°
C
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