Product Specifications

/ Perfect Welding / Solar Energy / Perfect Charging
/ With power categories ranging from 3.8 kW to 15.0 kW, the transformerless Fronius Primo is the ideal compact
single-phase inverter for residential applications. The sleek design is equipped with the SnapINverter hinge mounting
system which allows for lightweight, secure and convenient installation. The Fronius Primo has several integrated
features that set it apart from competitors including dual powerpoint trackers, high system voltage, a wide input
voltage range, Wi-Fi* and SunSpec Modbus interface, and Fronius’ online and mobile monitoring platform Fronius
Solar.web. The Fronius Primo also works seamlessly with the Fronius Rapid Shutdown Box for a reliable NEC 2014
solution** and offers a Revenue Grade Metering option completely integrated.
TECHNICAL DATA FRONIUS PRIMO
/ The future of residential solar is here - Introducing the new Fronius Primo.
/ SuperFlex
Design
/ Wi-Fi®*
interface
/ Smart Grid
Ready
/ Arc Fault Circuit
Interruption
/ SnapINverter
mounting system
/ PC board
replacement process
FRONIUS PRIMO
GENERAL DATA FRONIUS PRIMO 3.8 - 8.2 FRONIUS PRIMO 10.0-15.0
Dimensions (width x height x depth) 16.9 x 24.7 x 8.1 in. 20.1 x 28.5 x 8.9 in.
Weight 47.29 lb. 82.5 lbs.
Degree of protection NEMA 4X
Night time consumption < 1 W
Inverter topology Transformerless
Cooling Variable speed fan
Installation Indoor and outdoor installation
Ambient operating temperature range -40 - 131°F (-40 - 55°C) -40 - 140°F (-40 - 60°C)
Permitted humidity 0 - 100 %
DC connection terminals
4x DC+ and 4x DC- screw terminals for copper (solid / stranded /
ne stranded) or aluminum (solid / stranded)
4x DC+1, 2x DC+2 and 6x DC- screw terminals for copper (solid /
stranded / ne stranded) or aluminum (solid / stranded)
AC connection terminals Screw terminals 12 - 6 AWG
Revenue Grade Metering Optional (ANSI C12.1 accuracy)
Certicates and compliance with standards
UL 1741-2010, UL1998 (for functions: AFCI and isolation
monitoring), IEEE 1547-2003, IEEE 1547.1-2003, ANSI/IEEE
C62.41, FCC Part 15 A & B, NEC Article 690, C22. 2 No. 107.1-01
(September 2001) , UL1699B Issue 2 -2013, CSA TIL M-07 Issue 1
-2013
UL 1741-2015, 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 Article 690-2014, C22. 2 No.
107.1-01 (September 2001) , UL1699B Issue 2 -2013, CSA TIL
M-07 Issue 1 -2013
PROTECTIVE DEVICES STANDARD WITH ALL PRIMO MODELS
AFCI & 2014 NEC Ready Ye s
Ground Fault Protection with Isolation Monitor
Interrupter
Ye s
DC disconnect Ye s
DC reverse polarity protection Ye s
N
W
S
E
INTERFACES STANDARD WITH ALL PRIMO MODELS
Wi-Fi*/Ethernet/Serial Wireless standard 802.11 b/g/n / Fronius Solar.web, SunSpec Modbus TCP, JSON / SunSpec Modbus RTU
6 inputs or 4 digital inputs/outputs External relay controls
USB (A socket) Datalogging and/or updating via USB
2x RS422 (RJ45 socket) Fronius Solar Net, interface protocol
Datalogger and Webserver Included
*The term Wi-Fi® is a registered trademark of the Wi-Fi Alliance.
**Fronius Primo 10.0-15.0 kW requires an external disconnect button for code compliance.