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GW4600-SS vs Fronius Primo 4.6-1 5 of 20 identical Swap Change inverters

GoodWe GW4600-SS vs Fronius Primo 4.6-1

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

Full specification

Parameter GW4600-SS Fronius Primo 4.6-1 Difference
AC output
Rated AC power 4.60 kW 4.60 kW Same
Max AC power 5.10 kW 4.60 kW 0.50 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 23.0 A 20.0 A 3.0 A apart
PV input
Max PV power 5.40 kW 6.90 kW 1.50 kW apart
DC/AC ratio 1.17 1.50 +0.33 for Fronius Primo 4.6-1
Max DC voltage 500 V 1000 V 500 V apart
MPPT voltage range 125-450 V 80-800 V 125-450 V vs 80-800 V
Start voltage 125 V 80 V -45 V for Fronius Primo 4.6-1
MPP trackers 1 2 +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 97.4 % 97.0 % +0.4 pp for GW4600-SS
Max efficiency 97.8 % 98.1 % +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 18.0 kg 21.5 kg -3.5 kg for GW4600-SS
Weight per kW 3.9 kg/kW 4.7 kg/kW -0.8 kg/kW for GW4600-SS
Dimensions 390x397x180 mm 645x431x204 mm 390x397x180 mm vs 645x431x204 mm
Ingress protection IP65 IP65 Same
Cooling natural forced-air natural vs forced-air
Noise 25 dB - Not published by Fronius International
Max operating temperature 60 °C 55 °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

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04

Written summary

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