Skip to main content
Fronius Primo 4.6-1 vs GW4600-SS 5 of 20 identical Swap Change inverters

Fronius Primo 4.6-1 vs GoodWe GW4600-SS

Fronius Primo 4.6-1
Fronius International
Fronius Primo 4.6-1
4.6 kW 97.0 % euro Grid-tie
VS
GoodWe
GW4600-SS
4.6 kW 97.4 % euro Grid-tie
The verdict

15 differences, and they point both ways

The largest is max dc voltage: 500 V apart. 5 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
5 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 20 parameters
Parameter Fronius Primo 4.6-1 GW4600-SS Difference
Max DC voltage 1000 V 500 V 500 V apart
European efficiency 97.0 % 97.4 % 0.4 pp more efficient
Max AC power 4.60 kW 5.10 kW 0.50 kW apart
Max PV power 6.90 kW 5.40 kW 1.50 kW apart
DC/AC ratio 1.50 1.17 0.33 more oversizing headroom
Weight 21.5 kg 18.0 kg 3.5 kg lighter
Weight per kW 4.7 kg/kW 3.9 kg/kW 0.8 kg/kW lighter
Max efficiency 98.1 % 97.8 % 0.3 pp more efficient
Max AC current 20.0 A 23.0 A 3.0 A apart
Start voltage 80 V 125 V 45 V earlier start
MPP trackers 2 1 1 tracker more
Max operating temperature 55 °C 60 °C 5 °C more heat tolerant
MPPT voltage range 80-800 V 125-450 V 80-800 V vs 125-450 V
Dimensions 645x431x204 mm 390x397x180 mm 645x431x204 mm vs 390x397x180 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter Fronius Primo 4.6-1 GW4600-SS Difference
AC output
Rated AC power 4.60 kW 4.60 kW Same
Max AC power 4.60 kW 5.10 kW 0.50 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 20.0 A 23.0 A 3.0 A apart
PV input
Max PV power 6.90 kW 5.40 kW 1.50 kW apart
DC/AC ratio 1.50 1.17 +0.33 for Fronius Primo 4.6-1
Max DC voltage 1000 V 500 V 500 V apart
MPPT voltage range 80-800 V 125-450 V 80-800 V vs 125-450 V
Start voltage 80 V 125 V -45 V for Fronius Primo 4.6-1
MPP trackers 2 1 +1 trackers for Fronius Primo 4.6-1
Strings per tracker 2 - Not published by GoodWe
Max input current per tracker 18.0 A - Not published by GoodWe
Efficiency
European efficiency 97.0 % 97.4 % +0.4 pp for GW4600-SS
Max efficiency 98.1 % 97.8 % +0.3 pp for Fronius Primo 4.6-1
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 21.5 kg 18.0 kg -3.5 kg for GW4600-SS
Weight per kW 4.7 kg/kW 3.9 kg/kW -0.8 kg/kW for GW4600-SS
Dimensions 645x431x204 mm 390x397x180 mm 645x431x204 mm vs 390x397x180 mm
Ingress protection IP65 IP65 Same
Cooling forced-air natural forced-air vs natural
Noise - 25 dB Not published by Fronius International
Max operating temperature 55 °C 60 °C +5 °C for GW4600-SS
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Fronius International
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Fronius Primo 4.6-1 vs Growatt MIN 4600TL-X2 (Pro)
13 differences, the largest is european efficiency
Same type, similar size
Growatt
Fronius Primo 4.6-1 vs Growatt MIN 4600TL-X
16 differences, the largest is max dc voltage
Same type, similar size
Fronius International
Fronius Primo 4.6-1 vs Fronius Primo 5.0-1 AUS
4 differences, the largest is max ac power
Same type, similar size
Ginlong Solis
GoodWe GW4600-SS vs Ginlong Solis S6-GR1P4.6K
14 differences, the largest is max dc voltage
04

Written summary

Checking cache...

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.