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REC Group REC Alpha Pure-R (no official 425W SKU found — series is sold only in 400W/410W/420W/430W bins)
REC Group
REC Group REC Alpha Pure-R (no official 425W SKU found — series is sold only in 400W/410W/420W/430W bins)
Residential · 425W · Monocrystalline (heterojunction/HJT, half-cut bifacial cells)
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90
SCORE /100
16 specs · ✓ 16 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
Temperature & Climate Resilience
97
Warranty & Durability
82
Build & Install
78
Certifications
72
DC Electrical Characteristics
Number of Cells
80
✓
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
MC4 (Stäubli MC4 PV-KBT4/KST4)
✓
source
Frame Color
Black (anodized aluminum)
✓
source
Backsheet Color
Black (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
UL 61730 Fire Type 2
✓
source
Compliances
IEC 61215:2021, IEC 61730:2023, UL 61730, ISO 14001, ISO 9001, IEC 45001, IEC 62941, IEC 62321 (RoHS lead-free), IEC 61701 Salt Mist, IEC 62716 Ammonia Resistance
✓
source
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