Freesun HEC-UL Solar Inverter

It combines the most advanced European design of dynamic control and support for grid injection with the robustness and demands of those outdoor systems installed in the most hazardous environmental conditions. FREESUN HEC-UL is completed with a set of optional accessories, which allow to meet the Norms UL1741, IEEE1547 and NEC at any facility.

From 160KVA up to 1200KVA, FREESUN HEC-UL is compatible with any preexistent panel configurations. The exclusive iCOOL system, the electronics totally sealed from external agents and a mechanical insulation with rockwool, make this solar inverter the perfect solution for the most demanding environmental conditions.

It also offers a pro-active attitude focused on utility-interactive features that secure your investment. Customized to the utility requirements FREESUN HEC-UL is compatible with all LVRT profiles, voltage ride through levels (VRT), frequency regulation procedures (FRS), frequency ride-through levels (FRS, FRT), anti-islanding protection, accurate and fast active and reactive power curtailment. Distribution challenges were overcome and Hybrid systems are a reality to multiply your energy.