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Sunpower SPR-A420-G-AC (420W)
Sunpower
Sunpower SPR-A420-G-AC (420W)
Residential · 420W
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88
SCORE /100
34 specs
Score this as…
⭐ General / Balanced
📐 Max Efficiency (Tight Roof)
🛡️ Durability & Warranty
🌡️ Hot-Climate Buyer
⚡ High-Output / Commercial-Scale
🪶 Easy-Install / Older Roof
Score Breakdown
Efficiency & Real-World Performance
95
Power Output
93
Temperature & Climate Resilience
72
Build & Install
71
Certifications
70
Warranty & Durability
68
DC Electrical Characteristics
STC Power Rating
420W
PTC Power Rating
394.2W
STC Power per unit of area
20.9W/ft (225.3W/m)
Peak Efficiency
0.2253
Power Tolerances
0%/+5%
Number of Cells
66
Imp
10.2A
Vmp
40.8V
Isc
11A
Voc
48.2V
NOCT
46.4°C
Temp. Coefficient of Power
-0.31%/K
Temp. Coefficient of Voltage
-0.114V/K
Series Fuse Rating
20A
Maximum System Voltage
1000V
AC Electrical Characteristics
AC Voltage
240.0V
Max Cont. Output Current
1.4499999999999997A
Max Cont. Output Power
366.0W
Max Number of Modules per Branch Circuit
11
Mechanical Characteristics
Type
Monocrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Black
Backsheet Color
White
Length
72.2in (1,835mm)
Width
40in (1,016mm)
Depth
1.6in (40mm)
Weight
46.5lb (21.1kg)
Installation Method
Rack-Mounted
Warranty and Certifications
80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
data not available
Workmanship Warranty Period
25yrs
UL Fire Classification
Type 2
Compliances
UL 1703
CSI Listed
Yes
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