20W Photovoltaic module - Ameresco - 20M

ONLY: $126.50
Item Number: 20M

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Electrical characteristics

(1) STC 1000W/m2 (2) NOCT 800W/m2
Maximum power (Pmax) 20W 14.4W
Voltage at Pmax (Vmpp) 17.9V 15.9V
Current at Pmax (Impp) 1.12A 0.91A
Short circuit current (Isc) 1.16A 0.94A
Open circuit voltage (Voc) 22.1V 20.1V
Module efficiency 9.5%
Tolerance (Pmax) ±10%
Nominal voltage 12V
Efficiency reduction at 200W/m2 <5% reduction (efficiency 9.0%)
Limiting reverse current 1.29A
Temperature coefficient of Isc 0.105%/°C
Temperature coefficient of Voc -0.360%/°C
Temperature coefficient of (Pmax) -0.45%/°C
(3) NOCT 47±2°C
Maximum series fuse rating 3A
Maximum system voltage 50V
Application class (according to IEC 61730:2007) Class C
1: Values at Standard Test Conditions (STC): 1000W/m2
irradiance, AM1.5 solar spectrum and 25ºC module
2: Values at 800W/m2
irradiance, Nominal Operation Cell Temperature (NOCT) and AM1.5 solar spectrum
3: Nominal Operation Cell Temperature: Module operation temperature at 800W/m2
irradiance, 20ºC air
temperature, 1m/s wind speed

Mechanical characteristics

Solar cells 36 crystalline silicon cut cells connected in series
Front cover High transmission 3.2mm (1/8th in) glass
Encapsulant EVA
Back cover White polyester
Frame Silver anodized aluminum
Junction box Lo-Pro junction box
Output cables AWG#18 (0.75mm2
) 2 core, ITC / PLTC
Lengths 4572mm / 15 ft.(“+” red; “-” black)
Dimensions 421 x 501 x 23mm / 16.6 x 19.7x 0.9in
Weight 2.5kg / 5.5lbs
All dimensional tolerances within ±1% unless otherwise stated.

► Free from defects in materials and workmanship for 2 years
► 90% min. power output over 12 years
► Optional 25 years available

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