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The Fronius Symo Advanced 15.0 kW is a three-phase string inverter designed for commercial and large-scale residential PV systems. Featuring NEC 2017 compliance with integrated AFCI, advanced grid support functions, and seamless system monitoring, it delivers reliable performance with maximum safety. Its dual MPPT inputs, high efficiency, and durable NEMA 4X housing ensure long-term operation in diverse environments, making it an excellent choice for demanding installations.
Three-Phase Power – 15 kW AC output, ideal for medium to large commercial and residential systems.
Dual MPPT Inputs – Maximises system flexibility and yield across different roof orientations.
Advanced Grid Support – Meets IEEE 1547, UL 1741 SA, Rule 21, and HECO requirements for interconnection.
Arc Fault Detection (AFCI) – Ensures NEC 2017 compliance and enhances safety.
Smart Communication – Integrated Wi-Fi, Ethernet, Modbus SunSpec, and advanced monitoring options.
SnapINverter Mounting System – Simplifies installation, servicing, and long-term maintenance.
High Efficiency – Up to 98.1% maximum efficiency ensures outstanding performance.
Outdoor-Ready Protection – NEMA 4X rated enclosure for indoor or outdoor installation.
AC Rated Power: 15,000 W (208/480 Vac, three-phase)
Max. Efficiency: 98.1%
CEC Efficiency: ~97.5%
MPP Trackers: 2
DC Input Voltage Range: 200 – 1000 V
Usable MPP Voltage Range: 400 – 800 V
Max. DC Input Current: 33 A per MPPT (66 A total)
Rated AC Output Current: 41.6 A (208 V) / 18.1 A (480 V)
Protection Class: NEMA 4X
Cooling: Advanced active cooling (fan-assisted)
Dimensions (H × W × D): 28.5 × 20.1 × 8.9 in (725 × 510 × 225 mm)
Weight: 82.5 lbs (37.4 kg)
Certifications: UL 1741 SA, IEEE 1547, NEC 2017 AFCI, Rule 21, HECO compliant
Country of Manufacture: Austria
We provide lifetime personalized support with real humans dedicated to guiding you through installation, troubleshooting, system expansions, and any other problems that may arise. Ensuring a seamless solar experience.
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Order process flawless. Shipping was super fast.
William Tarolli
had a bunch of questions and Christian answered them. Now hopefully after using three different inverters this one will have the correct software and will solve the problem.
Thanks for the help!
J.C.
I was a bit skeptical of buying from a new company first and spoke to Christian. He answered all my questions and made sure my order shipped quickly. I would buy from them again anytime, and I recommend them.
Christopher Moore
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