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WIT 63K-AU-US vs WIT 63K-A 6 of 14 identical Swap Change inverters

Growatt WIT 63K-AU-US vs Growatt WIT 63K-A

Growatt WIT 63K-AU-US
Growatt
WIT 63K-AU-US
63 kW Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 63K-A
Growatt
WIT 63K-A
63 kW Hybrid
Open inverter page Datasheet PDF
The verdict

WIT 63K-A leads on the differences that matter

The largest is max ac power: 6.30 kW apart. 6 of 14 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
6 of 14 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 14 parameters
Parameter WIT 63K-AU-US WIT 63K-A Difference
Max AC power 69.30 kW 63.00 kW 6.30 kW apart
Weight 140.0 kg 120.0 kg 20.0 kg lighter
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 83.4 A 105.6 A 22.2 A apart
Weight per kW 2.2 kg/kW 1.9 kg/kW 0.3 kg/kW lighter
Ingress protection IP66/NEMA 4X IP66 IP66/NEMA 4X vs IP66
Battery voltage 750-1000V for 3P3W / 820-1000V for 3P4W 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 750-1000V for 3P3W / 820-1000V for 3P4W vs 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V
Dimensions 1350x850x510 mm 1350x820x510 mm 1350x850x510 mm vs 1350x820x510 mm
02

Full specification

Parameter WIT 63K-AU-US WIT 63K-A Difference
AC output
Rated AC power 63.00 kW 63.00 kW Same
Max AC power 69.30 kW 63.00 kW 6.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 480 V 400 V 80 V apart
Max AC current 83.4 A 105.6 A 22.2 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage - 1000 V Not published by Growatt
MPPT voltage range - - Neither datasheet publishes this
Start voltage - 768 V Not published by Growatt
MPP trackers - - Neither datasheet publishes this
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker - - Neither datasheet publishes this
Efficiency
European efficiency - - Neither datasheet publishes this
Max efficiency 98.2 % - Not published by Growatt
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 750-1000V for 3P3W / 820-1000V for 3P4W 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 750-1000V for 3P3W / 820-1000V for 3P4W vs 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V
Max charge current 151 A - Not published by Growatt
Backup power - - Neither datasheet publishes this
Physical
Weight 140.0 kg 120.0 kg -20.0 kg for WIT 63K-A
Weight per kW 2.2 kg/kW 1.9 kg/kW -0.3 kg/kW for WIT 63K-A
Dimensions 1350x850x510 mm 1350x820x510 mm 1350x850x510 mm vs 1350x820x510 mm
Ingress protection IP66/NEMA 4X IP66 IP66/NEMA 4X vs IP66
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes - Not published by Growatt
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty 10 yrs - Not published by Growatt
03

More useful comparisons

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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.