Fronius 10.0kW Primo Inverter, 240VAC, 1-Phase, 220 - 480 VDC MPPT
The Fronius Primo 10.0kW inverter is a high-efficiency, single-phase solar inverter designed for residential and small commercial systems. With a voltage output of 240VAC and an expansive MPPT range of 220 – 480 VDC, this inverter provides exceptional design flexibility and optimal energy production across various array configurations.
Its transformerless architecture and SnapINverter technology streamline installation and servicing, reducing both time and complexity. The Primo 10.0kW features dual MPPTs, allowing for independent tracking and maximum solar yield even in challenging layouts or partially shaded environments.
Equipped with built-in Wi-Fi, Modbus communication, and compatibility with Fronius Solar.web and third-party monitoring platforms, system management and performance tracking are seamless. The unit also meets strict safety requirements with integrated arc fault protection and support for rapid shutdown, ensuring a code-compliant, future-ready solution.
Key Features
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SnapINverter Mounting System
Quick, safe, and tool-free installation and maintenance.
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Dual MPPT Inputs
Maximizes energy harvest across different string orientations.
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Broad MPPT Voltage Range (220–480 VDC)
Enhances compatibility with a wide variety of PV configurations.
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Integrated Communication & Monitoring
Features built-in Wi-Fi, Modbus, and Fronius Solar API.
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Smart Grid Ready & Rapid Shutdown Capable
Fully compliant with modern grid codes and safety standards.
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Active Cooling System
Maintains peak performance and prolongs system lifespan in warm climates.
Specifications
Product Specifications
| Input Data |
| Number of MPP trackers |
2 |
| Recommended PV Power (kWp) |
8.0 - 12.0 kW |
| Max. usable input current |
33.0 / 18.0 A |
| Max. usable input current total |
51 A |
| Max. array short circuit current |
49.5 / 27 A |
| Nominal input voltage |
415 V |
| DC input voltage range |
80 - 600 V |
| MPP voltage range |
220 - 480 V |
| Max. input voltage |
1000 V |
| Integrated DC string fuse holders |
4- and 4+ for MPPT 1 / no fusing required on MPPT 2 |
| Output Data |
| Max. output power 240 V |
9995 VA |
| Max. output power 208 V |
9995 VA |
| Output configuration |
1~ NPE 208 / 240 V |
| Frequency range |
45 - 66 Hz |
| Frequency |
60 Hz |
| Total harmonic distortion |
< 2.5 % |
| Power factor range |
0 - 1 ind./cap. |
| Max. continuous output current 240 V |
41.6 A |
| Max. continuous output current 208 V |
48.1 A |
| OCPD/AC breaker size 208 V |
70 A |
| Max. efficiency |
97.9 % |
| CEC efficiency 240 V |
96.5 % |
| General Data |
| UL safety standards & network regulations |
UL 1741-2015, UL 1998, UL 1699B Issue 2-2013 |
| Dimensions (W x H x D) |
1.68 ft x 2.46 ft x 8.96 in |
| Weight |
82.45 lb |
| Weight incl. packaging |
99.21 lb |
| Degree of protection |
NEMA 4X |
| Night-time consumption |
< 1 W |
| Inverter design |
Transformerless |
| Cooling |
Variable speed fan |
| Max. altitude |
4000 m (13120 ft) with max input voltage of 1000 V |
| Certificates and compliance |
UL 1741-2010 Second Edition, IEEE 1547-2003, NEC 2017, etc. |
| DC connection technology |
4x DC+1, 2x DC+2 and 6x DC- screw terminals (copper or aluminum) |
| AC connection technology |
Screw terminals 12 - 6 AWG |
| Revenue Grade Metering |
Optional (ANSI C12.1 accuracy) |
| Interference emission class |
B |
| Protection Devices |
| DC reverse polarity protection |
Yes |
| Anti islanding |
Internal (UL 1741-2016-09, IEEE 1547-2003, NEC 2017) |
| Over temperature protection |
Output power derating / Active cooling |
| AFCI |
Yes |
| Rapid shutdown compliant |
Yes (NEC 2014) |
| Ground fault protection |
Yes (with isolation monitor interrupter) |
| DC disconnector |
Yes |
| Interfaces |
| Wi-Fi / Ethernet LAN |
802.11 b/g/n, Fronius Solar.web, SunSpec Modbus TCP, JSON |
| USB (type A socket) |
Datalogging and inverter update possible |
| 2x RS422 (RJ45 socket) |
Fronius Solar Net |
| Datalogger and web server |
Optional |
| RS485 |
SunSpec Modbus RTU |
| 6 inputs and 4 digital I/Os |
Load management signaling, multipurpose I/O |
Shipping & Returns
Shipping & Returns Overview
Order Confirmation:
As soon as you place your order, you will receive an order confirmation email. This email confirms that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we will start our fulfillment process. All orders are processed and shipped within 1-2 business days. Transit times vary from 5-7 business days.
Order Shipment:
We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at support@ecogridsupply.com.
No Shipping outside the USA.
Shipping Options:
Expect your order to arrive in 5 to 7 days. We offer free shipping for orders over $200. For orders below $200, a flat shipping fee of $15 applies.
Please note that we currently only ship within the United States. International shipping is not available.
The majority of our orders are dispatched via third-party freight carriers (18-wheelers). In case your order includes an item that requires freight shipping, we will contact you to schedule a curbside delivery. Ensure that your contact number is correct at checkout.
Returns & Refunds:
We accept returns and refunds within 30 days of your order being delivered to you. If your delivery is within the 30 day return and refund period please see our “Return Policy” in the footer of our website.
Why Buy From Us
Why Buy From Ecogrid Supply?
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Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.
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Fast, Reliable Shipping: All items ship from our U.S. warehouses with quick and dependable freight options to keep your project on track.
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30-Day Hassle-Free Returns: Change your mind? No worries — enjoy a simple 30-day return process for peace of mind.
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Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just real people who know off-grid power systems.
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Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.
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USA-Based Service: Our team proudly operates here in the United States, providing local, knowledgeable, and friendly support.
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Secure Payments: Shop confidently with our encrypted, secure checkout to protect your personal and payment information.
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Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.
