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REC Group REC Alpha Pure 2 (REC400AA Pure 2), 400W

Residential · 400W · Monocrystalline (Heterojunction / HJT, bifacial half-cut cells)
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89
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 90
Temperature & Climate Resilience 88
Power Output 87
Warranty & Durability 82
Build & Install 78
Certifications 72

DC Electrical Characteristics

STC Power Rating
400W✓ source
STC Power per unit of area
206 W/m² (19.2 W/ft² as printed)✓ source
Peak Efficiency
0.206✓ source
Power Tolerances
0/+10W✓ source
Number of Cells
132 half-cut cells✓ source
Imp
9.96A✓ source
Vmp
40.2V✓ source
Isc
10.72A✓ source
Voc
48.5V✓ source
NOCT
44°C ± 2°C (NMOT)✓ source
Temp. Coefficient of Power
-0.24%/°C✓ source
Temp. Coefficient of Voltage
-0.24%/°C✓ source
Series Fuse Rating
25A✓ source
Maximum System Voltage
1000V✓ source

Mechanical Characteristics

Type
Monocrystalline (Heterojunction / HJT, bifacial half-cut cells)✓ source
Output Terminal Type
Stäubli MC4 PV-KBT4/KST4 (12 AWG)✓ source
Frame Color
Black (anodized aluminum)✓ source
Backsheet Color
Black✓ source
Length
1865mm✓ source
Width
1040mm✓ source
Depth
30mm✓ source
Weight
21.7kg✓ source

Warranty and Certifications

Workmanship Warranty Period
20 years (Standard) / 25 years (REC ProTrust, installed by REC Certified Professional, <25kW system)✓ source
UL Fire Classification
Type 2 (UL 61730)✓ source
Compliances
IEC 61215:2021, IEC 61730:2023, UL 61730, ISO 14001, ISO 9001, 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 TS 63126 Level 1✓ source