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REC Group

REC Group REC Alpha Pure 2 (no 425W SKU exists — series ships only as 400/410/420/430W)

Residential · 425W · Monocrystalline (heterojunction/HJT half-cut cells)
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86
SCORE /100
17 specs · ✓ 17 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

Build & Install 91
Temperature & Climate Resilience 88
Warranty & Durability 82
Certifications 72

DC Electrical Characteristics

Number of Cells
132✓ source
NOCT
44°C (±2°C) [reported as Nominal Module Operating Temperature]✓ 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 cells)✓ source
Output Terminal Type
Stäubli MC4 PV-KBT4/KST4✓ 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 with REC ProTrust (product warranty); labor warranty 0/25/10 years depending on install tier✓ source
UL Fire Classification
UL 61730 Fire Type 2✓ source
Compliances
IEC 61215:2021, IEC 61730:2023, UL 61730, ISO 9001, ISO 14001, IEC 45001, IEC 62941, IEC 61701 Salt Mist, IEC 62716 Ammonia Resistance, IEC 61215:2016 Hailstone (35mm), IEC TS 63126 Level 1✓ source