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REC Group REC Alpha Pure-R 400W (REC400AA Pure-R)
REC Group
REC Group REC Alpha Pure-R 400W (REC400AA Pure-R)
Residential · 400W · Monocrystalline (Heterojunction/HJT, half-cut bifacial cells)
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92
SCORE /100
25 specs · ✓ 25 verified
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
91
Temperature & Climate Resilience
88
Power Output
87
Warranty & Durability
82
Build & Install
78
Certifications
72
DC Electrical Characteristics
STC Power Rating
400W
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STC Power per unit of area
206.7 W/m² (19.2 W/ft²)
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Peak Efficiency
0.207
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Power Tolerances
0/+10W
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Number of Cells
80 (half-cut bifacial heterojunction)
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Imp
8.20A
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Vmp
48.8V
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Isc
8.80A
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Voc
58.9V
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NOCT
44°C ± 2°C (NMOT: AM1.5, 800 W/m², 20°C, 1 m/s wind)
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Temp. Coefficient of Power
-0.24%/°C
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Temp. Coefficient of Voltage
-0.24%/°C
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Series Fuse Rating
25A
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Maximum System Voltage
1000V
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Mechanical Characteristics
Type
Monocrystalline (Heterojunction/HJT, half-cut bifacial cells)
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Output Terminal Type
Stäubli MC4 PV-KBT4/KST4 (12 AWG)
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Frame Color
Black (anodized aluminum)
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Backsheet Color
Black (highly resistant polymer)
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Length
1730mm
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Width
1118mm
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Depth
30mm
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Weight
21.5kg
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Warranty and Certifications
Workmanship Warranty Period
20 years (Standard) / 25 years (REC ProTrust, installed by REC Certified Professional)
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UL Fire Classification
Type 2 (UL 61730)
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Compliances
IEC 61215:2021, IEC 61730:2023, UL 61730, ISO 9001, ISO 14001, IEC 45001, IEC 62941, ISO 11925-2 (EN 13501-1 Class E), IEC 62716 (Ammonia Resistance), IEC 61701 (Salt Mist SM6), IEC 61215:2016 (Hailstone 35mm), IEC 62321 (RoHS lead-free)
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