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REC Group

REC Group REC Alpha Pure 2 (REC420AA PURE 2, 420W)

Residential · 420W · Monocrystalline (132 half-cut REC bifacial heterojunction/HJT cells)
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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 97
Power Output 92
Temperature & Climate Resilience 88
Warranty & Durability 82
Build & Install 78
Certifications 45

DC Electrical Characteristics

STC Power Rating
420W✓ source
STC Power per unit of area
216.5 W/m² (computed: 420W / 1.94m² panel area)✓ source
Peak Efficiency
0.216✓ source
Power Tolerances
0/+10W✓ source
Number of Cells
132✓ source
Imp
10.20A✓ source
Vmp
41.2V✓ source
Isc
10.83A✓ source
Voc
49.1V✓ source
NOCT
44°C ± 2°C (NMOT, per IEC 61215:2021 terminology)✓ 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 (132 half-cut REC bifacial heterojunction/HJT 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 product warranty) / 25 years product & labor with REC ProTrust registration by a Certified Professional✓ source
UL Fire Classification
UL 61730 Fire Type 2✓ source
Compliances
ISO 14001; ISO 9001; IEC 45001; IEC 62941; IEC 61215:2021; IEC 61730:2023; UL 61730; 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