REC Group REC640AA: Specs & Datasheet
MPN: REC640AAThe REC Group REC640AA is listed under solar panels in the REC Group catalog at Portlandia Electric Supply. Contractors and buyers searching “REC640AA” for specifications or the datasheet land here: below are the published specifications we have on file for this exact part number, plus compatibility and sourcing notes.
Specifications
| Manufacturer | REC Group |
|---|---|
| MPN | REC640AA |
| Model Number | REC640AA Pro MG (REC Alpha Pro MG Series) |
| Cell Technology and Type | Monocrystalline n-type bifacial heterojunction (HJT) |
| Cell Count and Layout | 120 half-cut REC bifacial cells in twin design |
| Bifaciality Factor | Greater than 86% rear side potential |
| Maximum Power Output (Pmax, STC) | 640 Wp (front side rated) |
| Module Efficiency Range | 20.8% to 22.5% depending on watt class |
| Front Side Maximum Power (Alternative Listing) | 487 Wp variant also available in series data |
| Power Tolerance | -3% to +3% production tolerance |
| Nominal Operating Cell Temperature | 44 °C ± 2 °C nominal module operating temperature |
| Voltage at Maximum Power (Vmpp, 640 W) | 37.1 V |
| Current at Maximum Power (Impp, 640 W) | 17.26 A |
| Open Circuit Voltage (Voc, 640 W) | 44.9 V |
| Short Circuit Current (Isc, 640 W) | 17.89 A |
| Voltage at Maximum Power (Vmpp, 487 W) | 35 V |
| Current at Maximum Power (Impp, 487 W) | 13.94 A |
| Open Circuit Voltage (Voc, 487 W) | 42.3 V |
Compatible With / Used In
- Exact part-number replacements — this page covers MPN REC640AA only — confirm the full part number on your unit, quote, or datasheet before ordering
- Contractor and installer sourcing — quantity pricing and nationwide shipping from Portlandia Electric Supply — call (502) 790-0600
Datasheet Availability
REC Group publishes datasheets and installation documents through its official website. For the REC640AA datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
View the REC640AA product page →Get a quote →
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Frequently Asked Questions
What are the specs of the REC Group REC640AA?
Key published specs — Model Number: REC640AA Pro MG (REC Alpha Pro MG Series); Cell Technology and Type: Monocrystalline n-type bifacial heterojunction (HJT); Cell Count and Layout: 120 half-cut REC bifacial cells in twin design; Bifaciality Factor: Greater than 86% rear side potential. The full specification table above lists every value we have on file; values marked “vendor listing” are from our supplier feed and pending manufacturer verification.
Where can I get the REC640AA datasheet?
REC Group publishes datasheets and installation documents through its official website. For the REC640AA datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.
Is the REC Group REC640AA in stock?
It is available to order through Portlandia Electric Supply. Call (502) 790-0600 for current stock and lead time.
How do I make sure the REC640AA is the right part?
Match the full part number REC640AA exactly against your unit, quote, or existing datasheet — part-number families differ in ratings. Call (502) 790-0600 and our team will verify it before you order.
Specifications sourced from the manufacturer listing data maintained by Portlandia Electric Supply. Where a value is not published, it is marked as such — we do not estimate specifications. Questions: call (502) 790-0600. Portlandia Electric Supply, Louisville, KY — 12+ US distribution hubs.