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WIT 63K-H / WIT 63K-HU vs WIT 63K-A 8 of 16 identical Swap Change inverters

Growatt WIT 63K-H / WIT 63K-HU vs Growatt WIT 63K-A

Growatt WIT 63K-H / WIT 63K-HU
Growatt
WIT 63K-H / WIT 63K-HU
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 dc voltage: 100 V apart. 8 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
8 of 16 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 16 parameters
Parameter WIT 63K-H / WIT 63K-HU WIT 63K-A Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max AC power 69.30 kW 63.00 kW 6.30 kW apart
Weight 133.0 kg 120.0 kg 13.0 kg lighter
Start voltage 195 V 768 V 573 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
Weight per kW 2.1 kg/kW 1.9 kg/kW 0.2 kg/kW lighter
Battery voltage 600~1000V (for 3P3W) / 680~1000V (for 3P4W) 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 600~1000V (for 3P3W) / 680~1000V (for 3P4W) vs 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V
Max AC current 105.0 A 105.6 A 0.6 A apart
02

Full specification

Parameter WIT 63K-H / WIT 63K-HU 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 400 V 400 V Same
Max AC current 105.0 A 105.6 A 0.6 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 1100 V 1000 V 100 V apart
MPPT voltage range 180-800 V - Not published by Growatt
Start voltage 195 V 768 V -573 V for WIT 63K-H / WIT 63K-HU
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 98.0 % - 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) 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V 600~1000V (for 3P3W) / 680~1000V (for 3P4W) vs 600-1000V (for 3P3W); 680-1000V (for 3P4W); recovery start: 768V
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 133.0 kg 120.0 kg -13.0 kg for WIT 63K-A
Weight per kW 2.1 kg/kW 1.9 kg/kW -0.2 kg/kW for WIT 63K-A
Dimensions 1350x820x510 mm 1350x820x510 mm Same
Ingress protection IP65 IP66 IP65 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 - - Neither datasheet publishes this
Arc fault protection Yes - Not published by Growatt
Integrated DC switch - - Neither datasheet publishes this
Warranty
Warranty 5 yrs - Not published by Growatt
03

More useful comparisons

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Growatt WIT 63K-H / WIT 63K-HU vs Growatt WIT 63K-AU-US
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Growatt WIT 63K-H / WIT 63K-HU vs Growatt WIT 63K-H-US / WIT 63K-HU-US
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Growatt WIT 63K-A vs Growatt WIT 63K-AU
The same specification on paper
04

Written summary

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