Trina Solar module Vertex S 400W designed for residential and commercial solution

Trina Solar has designed the first photovoltaic module for residential use with 400Wp power class, a panel with the right balance  among  power, efficiency, dimensions, weight and mechanical load.

The Vertex series panels are equipped with various design and technological features that allow ​high output power even in a limited space​ allowing 21.1% module efficiency with high density cell interconnection.

Vertex technology

Trina solar on this type of multi-busbar modules has introduced a revolutionary technology  that integrates 1/3 cut  cell, non-destructive cutting and high-density interconnect technologies.

1/3 cut cell technology compared to traditional half cut technology solves problems related to the high system current and reduces power loss.

​Cell spacing has been reduced from to 0.5mm ​to 1, in order to optimize output power and efficiency, this solution reduces gaps and risks of micro-cracks and module damage over time.

This solution allows for greater power and power generation capacity.

Vertex S thanks to this new technology is able to offer up to 65W more than modules with the same size and conventional technology.

Compatible with major inverters and mounting systems

This range of modules has been designed for rooftop applications and is compatible with major inverters, optimizers and mounting systems Reduced size and weight make it easy to handle.

Reduced transport and installation costs thanks to the higher power and consequently the lower number of modules required.

Enhanced Warranty

The product has a 15-year guarantee, the maximum annual deterioration of the power is 0.55% from the 2nd year to the 25th year.

In the first year, the maximum deterioration is 2%.


Trina Solar Vertex S TSM-DE09.08 – mono PERC – 120 half cells – 395/400 Wp

Vertex S TSM-DE09.08 is a monocrystalline module of small size and low weight, suitable for all kinds of installations.

  • 120 PERC half cut cells + multi busbar
  • Temperature coefficient of power: -0.34%/°C
  • Warranties: 15 years product, 25 years linear power
  • Size available: 395/400 Wp

Excellent performance

Thanks to multi-busbar technology and monocrystalline PERC half cells, Vertex S TSM-DE09.08 is able to guarantee excellent levels in terms of performance.

A further element that determines the higher yield of Vertex S modules is the NDC system, which is an unconventional construction method that allows cells to be cut without compromising their efficiency.

Another important value is the temperature coefficient for the maximum power, equal to -0.34%/°C: these panels are therefore able to maintain high power even under non-optimal temperature conditions.

Universal solution

Vertex S TSM-DE09.08 is designed to be compatible with the most common inverters and optimizers. The size and weight of the module make it easy to transport and install, suitable for different applications.

High resistance

Thanks to its robust structure, the TSM-DE09.08 can support up to 6000 Pa of snow load and 4000 Pa of wind load.


The linear power warranty offered by Trina Solar,  guarantees a degradation of 2% in the first year and <0.6% in the other years.