Tigo Advanced Retrofit Base Plate With Optimizer Cover

500W (TS4-AO)
Optimization is a Flex MLPE function available as an integrated modular junction box base (TS4-O) or as an add-on unit (TS4-A-O). Design using unequal string lengths, mixed orientations, or areas of mismatch. Install in shaded areas with a reduced setback ratio. In addition to optimization, the TS4-A-O enables module level monitoring, and rapid shutdown in compliance with NEC 2014, 2017, 2020.
Rapid Shutdown
The higher performance optimizer with Predictive IV Technology (PIV)
The ONLY optimizer with selective deployment
Includes the benefits of Safety & Monitoring
Meets US NEC rapid shutdown requirements
Optimizes right out of the box
Shade and age tolerance to maximize lifetime yield
Works wirelessly with the TAP & CCA
1 module per TS4


Tigo TS4 Advanced Retrofit Base Plate With Optimizer Cover

Get the most from your PV with Tigo TS4

Tigo TS4 platform of Flex MLPE (Module Level Power Electronics) is the only platform that lets you choose the equipment and features that maximize the benefit for your installation.


  • TS4-A-O is the most cost effective way to improve the energy harvest of your under performing systems.
  • TS4-A-O enables you to upgrade an existing installation to improve energy harvest and lower O&M costs.
  • Go back to your under performing sites, and dramatically increase the energy harvest without making major changes to your existing array.
  • Get immediate performance improvement because weak panels no longer pull down the production of the entire system. Recover on average 36% of power lost to partial shading.
  • Module-level monitoring allows you to remotely detect and diagnose problems in the array, then determine it if is worth repairing.

With fast, easy installations

10 seconds per module

Each TS4 connects to the PV module at the junction box and clips to the module frame.

No ground wire required

Tigo TS4 do not need a separate ground wire or mounting bolts for installations.

Water- and corrosion-resistant

Polycarbonate cover is water-resistant to 1.5m deep – proven in the harshest environments.

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