Vertex S+ TSM-NEG9R.28 445W
Up to 445W in a lightweight dual-glass package designed for European & US residential rooftops with fire class A rating.
Dual Electrical Specifications: STC vs NMOT
Standard Test Conditions (1000 W/m², 25°C, AM1.5) vs Nominal Operating Conditions (800 W/m², 20°C, 1 m/s wind)
| Electrical Parameter | STC Laboratory | NMOT Field Conditions | Unit |
|---|---|---|---|
| Maximum Peak Power (Pmax) | 445 | 336 | Wp |
| Voltage at Maximum Power (Vmp) | 32.96 | 30.82 | V |
| Current at Maximum Power (Imp) | 13.5 | 10.9 | A |
| Open-Circuit Voltage (Voc) | 39.95 | 37.63 | V |
| Short-Circuit Current (Isc) | 14.21 | 11.44 | A |
| Module Conversion Efficiency | 22.3% | 21.0% | % |
Module performance degrades at elevated cell temperatures. N-Type TOPCon and HJT exhibit lower power loss in hot tropical climates compared to legacy PERC modules.
Certified resistance to hurricane-force wind loads, heavy snow pressure, and ice hailstone impacts.
String Sizing & MPPT Safety Verification Tool
Calculates safe series string length based on extreme winter low and summer high ambient temperatures.
Field Electrical & Connector Specs
Authorized Regional Distributors & Stockists
Official Tier-1 trade partners holding local pallet and container stocks for Trina Solar in Brazil.
O maior distribuidor de energia solar fotovoltaica para Geração Distribuída (GD) do Brasil e América Latina.
Major Brazilian solar distributor providing complete photovoltaic generators, string and microinverters, and mounting structures.
Manufacturer Datasheet Specifications
Laboratory-audited electrical, mechanical, and temperature specifications.
| Nominal Power (Pmax) | 445 Wp |
| Module Efficiency | 22.30 % |
| Temp. Coeff. (Pmax) | -0.30 %/°C |
| Open Circuit Voltage (Voc) | 52.6 V |
| Max Power Voltage (Vmp) | 44.3 V |
| Glass Structure | 1.6 mm + 1.6 mm Heat Strengthened Dual-Glass |
Hardware Compatibility & String Inverter Pairing
Pre-validated electrical voltage limits and communication protocols for seamless system engineering.
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