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JA Solar

JA Solar JAM72S10-420/MR (420W)

Residential · 420W
74
SCORE /100
30 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

Power Output 93
Efficiency & Real-World Performance 91
Certifications 90
Temperature & Climate Resilience 70
Build & Install 51
Warranty & Durability 48

DC Electrical Characteristics

STC Power Rating
420W
PTC Power Rating
392.09W
STC Power per unit of area
19.4W/ft (209.3W/m)
Peak Efficiency
0.2093
Power Tolerances
0%/+5%
Number of Cells
144
Imp
9.89A
Vmp
42.47V
Isc
10.56A
Voc
50.7V
NOCT
45°C
Temp. Coefficient of Power
-0.35%/K
Temp. Coefficient of Voltage
-0.138V/K
Series Fuse Rating
20A
Maximum System Voltage
1500V

Mechanical Characteristics

Type
Monocrystalline Silicon
Output Terminal Type
Multicontact Connector Type 4
Frame Color
Clear
Backsheet Color
White
Length
79.3in (2,015mm)
Width
39.2in (996mm)
Depth
1.6in (40mm)
Weight
50lb (22.7kg)
Installation Method
Rack-Mounted

Warranty and Certifications

80% Power Output Warranty Period
25yrs
90% Power Output Warranty Period
12yrs
Workmanship Warranty Period
12yrs
UL Fire Classification
data not available
Compliances
UL 1703, IEC 61215, IEC 61730, TUV
CSI Listed
Yes