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Transformerless Inverter PRIMO-8.2-1

Name: Transformerless Inverter PRIMO-8.2-1 - Melanite
SKU: 4210060800

Transformerless Inverter Primo 8.2-1 208-240: dual MPPT, wide input voltage, UL certified, ideal for efficient residential solar.

Product Details

The Fronius Primo Transformerless Inverter has been specially developed for the demands of the North American market. With power categories from 3.8 to 15 kW, the single-phase, transformerless Inverter device is the perfect inverter for private households. Its innovative SuperFlex Design provides maximum flexibility in system design, while the SnapINverter mounting system makes installation and maintenance as easy as possible. The communication package included as standard, with WLAN, energy management, several interfaces and much more besides, makes the Fronius Primo a communicative inverter for home owners. Standard equipment also includes a built-in arc detector (AFCI = Arc Fault Circuit Interrupter), in keeping with all other North American SnapINverters.

SKU: 4210060800 Categories: Solar Energy, Inverter Tags: Fronius Inverter, Inverter Brand: Fronius

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Product Description

Transformerless Inverter Fronius Primo 8.2-1 208-240 is crafted to deliver exceptional performance in residential PV systems. This Transformerless Inverter features dual MPPT trackers and a wide DC input range (80-600V), allowing PV arrays to produce more power under varied conditions. The Transformerless Inverter supports high voltages and large PV generator power, giving flexibility in system sizing, string layout, and module selection. With its SnapINverter hinge-mount design and IP65 / NEMA 4X enclosure, the Transformerless Inverter makes installation faster and offers strong weather protection. The Transformerless Inverter also comes standard with communications via Wi-Fi, Ethernet, and Modbus/SunSpec, plus compliance with safety certifications, UL/NEC rapid shutdown, and grid interfaces. Ideal for homeowners who want robust, efficient, and code-compliant solar inverters, this model combines high efficiency and flexibility in one.

Technical Data

Input Data
Number of MPP trackers	2
Max. usable input current	18,0 / 18,0 A
Max. usable input current total (MPPT1 + MPPT2)	36 A
Max. array short circuit current (1.5 * Imax)	27 / 27 A
DC input voltage range (Udc min - Udc max)	80 - 1000 V
MPP voltage range (Umpp min - Umpp max)	270 - 800 V
Max. input voltage	1000 V
Output Data
Max. output power 240 V	8200 VA
Max. output power 208 V	7900 VA
Output configuration	1~ NPE 208 / 240 V
Frequency range	45 - 66 Hz
Frequency	60 Hz
Total harmonic distortion	< 5 %
Power factor range	0,85 - 1 ind./cap.
Max. continuous output current 240 V	34,2 A
Max. continuous output current 208 V	38 A
OCPD/AC breaker size 208 V	50 A
Max. efficiency	97 %
CEC efficiency 240 V	96,5 %
CEC efficiency 208 V	96,5 %
General Data
UL safety standards & network regulations	UL 1741-2010, UL 1998, UL 1699B Issue 2-2013
Dimension / width	432,7 mm
Dimension / height	642,5 mm
Dimension / depth	204,5 mm
Weight	29 kg
Weight incl. packaging	25,8 kg
Weight	21,5 kg
Degree of protection	NEMA 4X
Night-time consumption	< 1 W
Inverter design	Transformerless
Cooling	Variable speed fan
Max. altitude	4000 m (13120 ft) with a max. input voltage of 1000 V
Certificates and compliance with standards	UL 1741-2010 Second Edition (incl. UL1741 Supplement SA 2016-09 for California Rule 21), UL1998 (for functions: AFCI, RCMU and isolation monitoring), IEEE 1547-2003, IEEE 1547.1-2003, ANSI/IEEE C62.41, FCC Part 15 A & B, NEC 2017 Article 690, C22. 2 No. 107.1-16, UL1699B Issue 2 -2013, CSA TIL M-07 Issue 1 – 2013
DC connection technology	4x DC+ and 4x DC- screw terminals for copper (solid/stranded/fine stranded) or aluminium (solid/stranded)
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 in accordance with UL 1741-2016-09, IEEE 1547-2003 and NEC 2017
Over temperature protection	Output power derating / Active cooling
AFCI	Yes
Rapid shutdown compliant	Yes (according to NEC 2014)
Ground fault protection with isolation monitor interrupter	Yes
DC disconnector	Yes
Interfaces
Wi-Fi / Ethernet LAN	Wireless standard 802.1 1 b/g/n / Fronius Solar.web, SunSpec Modbus TCP, JSON
USB (type A socket)	Datalogging and inverter update possible via USB
2x RS422 (RJ45 socket)	Fronius Solar Net
Datalogger and web server	Included
RS485	SunSpec Modbus RTU
6 inputs and 4 digital I/Os	Load management signaling, multipurpose I/O