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H / WIT 75K-HU vs A-US / WIT 75K-AU-US 7 of 15 identical Swap Change inverters

Growatt WIT 75K-H / WIT 75K-HU vs Growatt WIT 75K-A-US / WIT 75K-AU-US

Growatt WIT 75K-H / WIT 75K-HU
Growatt
WIT 75K-H / WIT 75K-HU
75 kW Hybrid
Open inverter page Datasheet PDF
VS
Growatt WIT 75K-A-US / WIT 75K-AU-US
Growatt
WIT 75K-A-US / WIT 75K-AU-US
75 kW Hybrid
Open inverter page Datasheet PDF
The verdict

A-US / WIT 75K-AU-US leads on the differences that matter

The largest is max ac power: 7.50 kW apart. 7 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
7 of 15 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 15 parameters
Parameter H / WIT 75K-HU A-US / WIT 75K-AU-US Difference
Max AC power 82.50 kW 75.00 kW 7.50 kW apart
Weight 140.0 kg 120.0 kg 20.0 kg lighter
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 125.0 A 99.3 A 25.7 A apart
Ingress protection IP65 NEMA/IP66 IP65 vs NEMA/IP66
Weight per kW 1.9 kg/kW 1.6 kg/kW 0.3 kg/kW lighter
Battery voltage 600~1000V (for 3P3W) / 680~1000V (for 3P4W) 750-1000 V 600~1000V (for 3P3W) / 680~1000V (for 3P4W) vs 750-1000 V
Dimensions 1350x820x510 mm 1200x820x510 mm 1350x820x510 mm vs 1200x820x510 mm
02

Full specification

Parameter H / WIT 75K-HU A-US / WIT 75K-AU-US Difference
AC output
Rated AC power 75.00 kW 75.00 kW Same
Max AC power 82.50 kW 75.00 kW 7.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 480 V 80 V apart
Max AC current 125.0 A 99.3 A 25.7 A apart
PV input
Max PV power 156.00 kW - Not published by Growatt
DC/AC ratio 2.08 - Not published by Growatt
Max DC voltage 1100 V - Not published by Growatt
MPPT voltage range 180-800 V - Not published by Growatt
Start voltage 195 V - Not published by Growatt
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) 750-1000 V 600~1000V (for 3P3W) / 680~1000V (for 3P4W) vs 750-1000 V
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 140.0 kg 120.0 kg -20.0 kg for A-US / WIT 75K-AU-US
Weight per kW 1.9 kg/kW 1.6 kg/kW -0.3 kg/kW for A-US / WIT 75K-AU-US
Dimensions 1350x820x510 mm 1200x820x510 mm 1350x820x510 mm vs 1200x820x510 mm
Ingress protection IP65 NEMA/IP66 IP65 vs NEMA/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 5 yrs Same
03

More useful comparisons

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Growatt
Growatt WIT 75K-H / WIT 75K-HU vs Growatt WIT 75K-AU-US
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Growatt WIT 75K-H / WIT 75K-HU vs Growatt WIT 75K-H-US / WIT 75K-HU-US
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Growatt
Growatt WIT 75K-H / WIT 75K-HU vs Growatt WIT 75K-A
7 differences, the largest is max dc voltage
Same type, similar size
Growatt
Growatt WIT 75K-A-US / WIT 75K-AU-US vs Growatt WIT 75K-AU
5 differences, the largest is nominal ac voltage
04

Written summary

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