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WIT 63K-A vs WIT 63K-HU-US 6 of 16 identical Swap Change inverters

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

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

WIT 63K-A leads on the differences that matter

The largest is max dc voltage: 100 V apart. 6 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
6 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 16 parameters
Parameter WIT 63K-A WIT 63K-HU-US Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max AC power 63.00 kW 69.30 kW 6.30 kW apart
Weight 120.0 kg 153.0 kg 33.0 kg lighter
Weight per kW 1.9 kg/kW 2.4 kg/kW 0.5 kg/kW lighter
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 105.6 A 83.4 A 22.2 A apart
Start voltage 768 V 195 V 573 V earlier start
Ingress protection IP66 IP66/NEMA 4X IP66 vs IP66/NEMA 4X
Battery voltage 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 750-1000V for 3P3W / 820-1000V for 3P4W 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Dimensions 1350x820x510 mm 1350x850x510 mm 1350x820x510 mm vs 1350x850x510 mm
02

Full specification

Parameter WIT 63K-A WIT 63K-HU-US Difference
AC output
Rated AC power 63.00 kW 63.00 kW Same
Max AC power 63.00 kW 69.30 kW 6.30 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 105.6 A 83.4 A 22.2 A apart
PV input
Max PV power - 124.80 kW Not published by Growatt
DC/AC ratio - 1.98 Not published by Growatt
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range - 180-800 V Not published by Growatt
Start voltage 768 V 195 V -573 V for WIT 63K-HU-US
MPP trackers - - Neither datasheet publishes this
Strings per tracker - 2 Not published by Growatt
Max input current per tracker - 32.0 A Not published by Growatt
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 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 750-1000V for 3P3W / 820-1000V for 3P4W 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V vs 750-1000V for 3P3W / 820-1000V for 3P4W
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 120.0 kg 153.0 kg -33.0 kg for WIT 63K-A
Weight per kW 1.9 kg/kW 2.4 kg/kW -0.5 kg/kW for WIT 63K-A
Dimensions 1350x820x510 mm 1350x850x510 mm 1350x820x510 mm vs 1350x850x510 mm
Ingress protection IP66 IP66/NEMA 4X IP66 vs IP66/NEMA 4X
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 - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty - 5 yrs Not published by Growatt
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Growatt WIT 63K-A vs Growatt WIT 63K-A-US / WIT 63K-AU-US
5 differences, the largest is nominal ac voltage
Same type, similar size
Growatt
Growatt WIT 63K-A vs Growatt WIT 63K-AU-US
8 differences, the largest is max ac power
Same type, similar size
Growatt
Growatt WIT 63K-A vs Growatt WIT 63K-H-US / WIT 63K-HU-US
9 differences, the largest is max dc voltage
04

Written summary

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