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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)

Residential · 425W · Monocrystalline (heterojunction/HJT, half-cut bifacial cells)
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91
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