NEG18R.28 commercial family view shared by 500 / 505 W variants.
Supplier-reference photography. Confirm the final equipment appearance and included accessories with your quotation.
Technical reference TSM-505NEG18R.28
A higher-current dual-glass module sized for commercial rooftops and larger distributed solar arrays. Check inverter input-current limits, roof structure and module handling together when developing the installation layout and procurement scope.
Configuration, availability, certification scope and commercial terms are confirmed at quotation.
Values below follow the referenced model or explicitly stated model family. Review the final datasheet, rated conditions and supply scope before procurement.
Trina Solar — Vertex S+ commercial official datasheet
Reference model: TSM-505NEG18R.28
Reviewed: 2026-10-15
Electrical values are STC. Do not mix this 505 W datasheet bin with newer 510 W variants.
| Maximum power at STC | 505 Wp |
|---|---|
| Maximum power voltage (Vmp) | 33.5 V |
| Maximum power current (Imp) | 15.09 A |
| Open-circuit voltage (Voc) | 40.3 V |
| Short-circuit current (Isc) | 15.89 A |
| Module efficiency at STC | 22.7% |
| Power tolerance | 0 / +5 W |
| Cells | 108 |
| Dimensions | 1,961 × 1,134 × 30 mm |
| Weight | 23.5 kg |
| Front / rear glass | 1.6 / 1.6 mm |
| Maximum system voltage | 1,500 V DC (IEC) |
| Max. series fuse | 30 A |
| Junction box rating | IP68 |
| Pmax temperature coefficient | −0.29% / °C |
Published reference values are not a substitute for the final selected-model datasheet and project design.
The complete system must account for site loads, electrical interfaces, environmental limits and local installation requirements.
Explore the planning guideShare your country, quantity, electrical requirements, installation environment and delivery plan. Ask for the final datasheet and supply scope for this reference.
Commercial rooftop modules
MODEL REFERENCETSM-500NEG18R.28
NEG18R.28 commercial family view shared by 500 / 505 W variants.
Full-black rooftop modules
MODEL REFERENCETSM-440NEG9R.25
NEG9R.25 full-black family view shared by 440 / 450 W variants.
Full-black rooftop modules
MODEL REFERENCETSM-450NEG9R.25
NEG9R.25 full-black family view shared by 440 / 450 W variants.