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Fronius Primo 12.5kW 4,210,077,800 240/208VAC TL Inverter

Authorized Fronius Dealer | Full Vendor Warranty Included

4.6/5 Based on 2,000+ Online Orders

$3,199.00

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Description

Fronius Primo 12.5kW 4,210,077,800 240/208VAC TL Inverter

Explore the Fronius Primo 12.5-1, a top-tier single phase string inverter designed for residential solar installations. Combining efficiency with innovative technology, it offers unmatched performance in converting solar energy to usable power, making it a smart choice for homeowners looking to maximize their solar investment.

  • Advanced MPPT technology for optimal solar harvest and efficiency.
  • Integrated Wi-Fi and Ethernet connectivity for easy monitoring and management.
  • Seamless integration with Fronius Solar.web for real-time system analysis.
  • Smart Grid Ready, ensuring compatibility with future energy markets.
  • Unique SnapINverter mounting system for quick and secure installation.

Technology and Overview

The Primo 12.5-1 utilizes state-of-the-art MPPT technology and cooling systems to ensure maximum power output and longevity, making it an ideal solution for residential PV systems.

Installation and Compatibility Overview

Featuring a flexible and straightforward installation process, the Primo 12.5-1 is compatible with a wide range of PV panels and grid configurations, ensuring adaptability to virtually any home setup.

Benefits and Applications Overview

With its high efficiency and advanced monitoring capabilities, the Fronius Primo 12.5-1 not only reduces electricity bills but also contributes to a sustainable future. Perfect for residential applications seeking reliable solar solutions.

Specification Value
Model Primo 12.5-1
Recommended PV Power 10.0 – 15.0 kW
Max. Input Current (MPPT 1/MPPT 2 – 33.0 A / 18.0 A) (MPPT 1+MPPT 2 – 51 A)
Nominal Input Voltage 665 V
Max. Input Voltage 1000 V
Max. Output Power (208V / 240V) 12500 VA
Max. Continuous Output Current (208V / 240V) 60.1 A / 52.1 A
Frequency Range 45-55 Hz / 50-66 Hz
Max. Efficiency 96.7%
CEC Efficiency 96.0% / 96.5%
Cooling Active cooling
Warranty 10 years, extendable up to 15 and 20 years

Frequently Asked Questions

Do you offer free shipping?

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote.

How fast will my order arrive?

Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.

What's your return policy?

We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.

Can I talk to someone if I have product questions?

Absolutely! Our in-house product experts are here to help. Live chat or call us at 513-743-2829 for personalized advice before or after your purchase.

Do your products come with a warranty?

Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.

Are your products authentic and brand new?

Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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Feedback From Our Customers

At Zenergy Recovery, we pride ourselves on delivering top-quality products and exceptional service to professionals and homeowners alike. Here’s what our customers have to say about their experiences with us.

View All Reviews Trustpilot customer rating

★★★★★

Kevin Leary

May 18, 2025

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

★★★★★

Bryan Cunningham

Off grid Kit · Dec 21, 2025

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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