SolarWish
CompareResidentialCommercialUtility
REC Group

REC Group REC Alpha Pure-R 400W (REC400AA Pure-R)

Residential · 400W · Monocrystalline (Heterojunction/HJT, half-cut bifacial cells)
View Datasheet →
90
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
Build & Install 91
Temperature & Climate Resilience 88
Power Output 87
Warranty & Durability 82
Certifications 72

DC Electrical Characteristics

STC Power Rating
400W✓ source
STC Power per unit of area
206.7 W/m² (19.2 W/ft²)✓ source
Peak Efficiency
0.207✓ source
Power Tolerances
0/+10W✓ source
Number of Cells
80 (half-cut bifacial heterojunction)✓ source
Imp
8.20A✓ source
Vmp
48.8V✓ source
Isc
8.80A✓ source
Voc
58.9V✓ source
NOCT
44°C ± 2°C (NMOT: AM1.5, 800 W/m², 20°C, 1 m/s wind)✓ 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, half-cut bifacial cells)✓ source
Output Terminal Type
Stäubli MC4 PV-KBT4/KST4 (12 AWG)✓ source
Frame Color
Black (anodized aluminum)✓ source
Backsheet Color
Black (highly resistant polymer)✓ source
Length
1730mm✓ source
Width
1118mm✓ source
Depth
30mm✓ source
Weight
21.5kg✓ source

Warranty and Certifications

Workmanship Warranty Period
20 years (Standard) / 25 years (REC ProTrust, installed by REC Certified Professional)✓ source
UL Fire Classification
Type 2 (UL 61730)✓ source
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)✓ source