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Sunpower SPR-X21-350-BLK-E-AC (350W)
Sunpower
Sunpower SPR-X21-350-BLK-E-AC (350W)
Residential · 350W
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78
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
97
Temperature & Climate Resilience
83
Build & Install
77
Power Output
76
Warranty & Durability
61
Certifications
58
DC Electrical Characteristics
STC Power Rating
350W
PTC Power Rating
333.88W
STC Power per unit of area
20.0W/ft (214.8W/m)
Peak Efficiency
0.2148
Power Tolerances
0%/+5%
Number of Cells
96
Imp
6.11A
Vmp
57.3V
Isc
6.5A
Voc
68.2V
NOCT
45°C
Temp. Coefficient of Power
-0.24%/K
Temp. Coefficient of Voltage
-0.198V/K
Series Fuse Rating
15A
Maximum System Voltage
600V
AC Electrical Characteristics
AC Voltage
240.0V
Max Cont. Output Current
1.31A
Max Cont. Output Power
320.0W
Max Number of Modules per Branch Circuit
12
Mechanical Characteristics
Type
Monocrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Black
Backsheet Color
Black
Length
61.3in (1,558mm)
Width
41.2in (1,046mm)
Depth
1.8in (46mm)
Weight
40.8lb (18.5kg)
Installation Method
Rack-Mounted
Warranty and Certifications
80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
12yrs
Workmanship Warranty Period
25yrs
UL Fire Classification
Type 2
Compliances
UL 1703, IEC 61215, IEC 61730
CSI Listed
No
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