STP25000TL-30 refurbished PV inverter

SMA STP25000TL-30 Refurbished: Three-Phase High-Power Inverter

The SMA Sunny Tripower STP25000TL-30 is a transformerless three-phase grid-tied inverter designed for substantial photovoltaic installations. Available at Wattuneed in refurbished condition (reference STP25-TL30-2-AT), it is suitable for professional installers and project owners looking to equip commercial rooftops, agricultural buildings, or industrial facilities.

What Does Refurbished Mean?

A refurbished inverter is a pre-owned unit that has been inspected, tested, and restored to working condition through a structured technical process. Faulty components are replaced, and the unit is validated before resale. This approach allows for a significantly lower acquisition cost compared to new equipment, while still benefiting from the proven reliability of the SMA brand.

Wattuneed carefully selects its refurbished inverters to ensure that only functional and verified units are offered for sale. We recommend consulting the full product listing or contacting us directly to obtain precise information about the condition of the available unit, any applicable warranty, and delivery terms.

About the SMA Sunny Tripower Range

The Sunny Tripower (STP) series from SMA is a line of transformerless three-phase inverters widely recognised in the photovoltaic industry for its robustness and compatibility with a broad range of solar array configurations. The STP25000TL-30 belongs to the TL-30 generation, which includes communication interfaces for production monitoring and remote management.

This range is commonly deployed in projects ranging from large residential rooftops to commercial and agricultural installations connected to the low-voltage three-phase public grid.

Important Considerations Before Purchase

No detailed technical specifications are currently available for this specific unit in our system. Before placing your order, we strongly recommend that you:

• Verify compatibility with your solar array (open-circuit voltage, short-circuit current, number of strings).
• Confirm compliance with applicable standards in your country (VDE, IEC, EN, grid connection technical requirements).
• Check the firmware version and the availability of SMA updates for this model.
• Review the warranty conditions applicable to this refurbished unit.

Our technical team is available to answer your questions and assist you in selecting the right equipment for your project.

Installation and Commissioning

Connection of a grid-tied inverter must be carried out by a qualified electrician in accordance with local regulations. In Belgium, grid connection procedures must be completed with the relevant distribution system operator (Fluvius, Ores, RESA, etc.). In France, a grid connection agreement with Enedis or the local grid operator is required.

For further information about this SMA STP25000TL-30 refurbished inverter, please contact the Wattuneed team via our contact form or by phone.