Inverter
Fronius Primo 4.6-1
4.6 kW
Power
On-Grid
Type
2
MPPT
96.6%
Efficiency
5y
Warranty
Single Phase
PV Input
MPPT Trackers
2
Max PV Input Power
6.9 kW
Max Input Voltage
600 V
MPPT Voltage Range
140-480 V
Max Input Current
18 A
Max Power Point Current
18 A
PV Start Voltage
80 V
DC Inputs
2+2
DC Switch
Yes
AC Output
Max Output Current
20 A
Frequency
50 Hz
Grid Frequency Range
45-66
AC Voltage Range
208/240V V
Efficiency & Standby
Max Efficiency
96.6%
EU Efficiency
95.6%
Standby Power
1 W
Power Quality
Total Harmonic Distortion
5%
Power Factor Range
0.85-1 ind./cap.
Protection & Safety
Protection Rating
NEMA 4X
Protection Class
Class I
Cooling
Variable speed fan
Physical
Dimensions
430×645×205
Weight
21.5 kg
Display
LED
Communication
WiFi, Modbus, USB
Environment
Operating Temp
-25°C to +60°C
Altitude
4000 m
Certifications & Grid Codes
Certification
UL 1741, IEEE 1547, FCC Part 15
Target Market
Austria
Service
Warranty
5 years
The Fronius Fronius Primo 4.6-1 is a On-Grid solar inverter rated at 4.6kW, Single Phase. Solar input features 2 MPPT trackers, 6.9kW max PV input, 600V max input voltage. Conversion efficiency: peak efficiency of 96.6%, EU efficiency of 95.6%. Designed with NEMA 4X rated, variable speed fan cooling for reliable operation. Physical dimensions: 430×645×205, 21.5kg. Connectivity includes WiFi, Modbus, USB. 5-year warranty.