Home . Solar . Freesun HEK


1050 kVA - 7000 kVA

12,47 kV - 34,5 kV

Pad-mounted transformer

HEK is a compact and resistant platform, supplied as a turnkey unit for utility-scale photovoltaic power plants. It comes with two HEC-US V1500 inverters, DC disconnection/protection features and a pad-mounted transformer.






Greater versatility.

The HEK unit can include two HEC-US V1500 inverters with 25 different power ratings. It is fitted with medium-voltage equipment adapted to the requirements of the US market. It can also be supplied, as an option, with auxiliary items specified by the user.

Turnkey Units

HEK includes all the required medium-voltage equipment, along with fully-tested wiring. It can also be fitted with fully-customizable auxiliary service panels.

High Reliability

HEK surpasses the most stringent quality checks and test requirements, as well as offering total adaptability to the regulatory requirements of the place of installation.

Easy Installation

HEK is configured for straightforward connection to the photovoltaic field. Connection is carried out quickly and easily via the bottom of the cabinet, which is fitted with disconnection and protection equipment.

Maximum Durability

HEK complies with the environmental-condition requirements set out in UL 1741. The complete solution also offers NEMA 3R-grade protection.


This compact solution also allows the customer to install a fully configurable low-voltage cabinet.


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