Growatt Inverter WIT 12K-HU

Hybrid 12 KW Three Phase 48 V

5 Years Warranty

· 100% unbalanced output꞉ each phase up to 50% rated power
· 200% overload capability for 10 seconds
· Support UPS function and black start
· Integrated with generator input and
smart load control

$ 1,655

Prices were last updated on July 9, 2025
Datasheet WIT 8K-HU WIT 10K-HU WIT 12K-HU WIT 15K-HU

 

Input data (PV)
Max. recommended PV power (for module STC) 12800W 16000W 19200W 24000W
Max. input voltage
1000V
Start voltage 160V
Nominal voltage
600V
MPPT voltage range 160V-850V
Max. input current per MPP tracker
20A+20A 40A+20A
Max. short-circuit current per MPP tracker 25A+25A 50A+25A
No. of PV strings per MPP tracker
1+1 2+1
No. of MPP trackers 2

 

Output data (AC)
12000W
AC nominal power 8000W 10000W 15000W
Max. AC apparent power
8800VA 11000VA 13200VA 16500VA
Nominal AC voltage/range 220V/230V, 380V/400V, -15%~+10%
Nominal AC grid frequency/range
50/60Hz, 45~55Hz/55-65 Hz
Max. output current 13.3A@220V, 12.8A@230V 16.7A@220V, 15.9A@230V 20A@220V, 19.1A@230V 25A@220V, 23.9A@230V
Adjustable power factor
-1…+1
THDi <3%
AC grid connection type
3P3W+PE/3P4W+PE

 

Input data (AC) 24000W
AC nominal power 16000W 20000W 30000W
Max. AC apparent power 17600VA 22000VA 26400VA 33000VA
Nominal AC voltage/range 220V/230V, 380V/400V, -15%~+10%
Nominal AC grid frequency/range 50/60Hz, 45~55Hz/55-65 Hz
Max. input current 26.6A@220V, 25.5A@230V 33.3A@220V, 31.9A@230V 40A@220V, 38.3@230V 50.1A@220V, 47.8A@230V

 

Battery data (DC)
Battery type Lead-acid or Lithium-ion
Battery voltage range 40-60V
Max charging and discharging current 200A 220A 250A 290A
Recommended battery voltage 51.2V
BMS communication RS485/CAN

 

Backup power (AC)*
12000W
Rated AC output power 8000W 10000W 15000W
Max. AC apparent power
2 time of rated power, 10s
Rated AC output voltage 220V/230V, 380V/400V
Nominal AC output frequency
50/60Hz
Max. output current 24.2A@220V
23.2A@230V
30.3A@220V
29A@230V
36.4A@220V
34.8A@230V
45.5A@220V
43.4A@230V
THDv
3% (Linear load)
Load unbalance 100% three-phase unbalanced
On/off grid transfer time
10ms

 

Efficiency
Max. efficiency 97.60%
European efficiency 97.00%
MPPT efficiency 99.90%

 

Protection devices
PV reverse polarity protection Yes
DC switch
Yes
DC/AC surge protection Type II/Type III
Insulation resistance monitoring
Yes
Residual-current monitoring unit Yes
AC short-circuit protection
Yes
Ground fault monitoring Yes
Grid monitoring
Yes
Strings monitoring Yes
Anti-islanding protection
Yes
PID protection Opt
AFCI function
Opt

 

General
Dimensions (W / H / D) 422/658/254mm
Weight
38kg
Operating temperature range –30°C … +60°C  (> 45°C, derating)
Noise
≤50dB(A)
Relative humidity 0~100%
Altitude
3000m
Topology Transformerless
Cooling
Smart air cooling
IP degree IP66
Display
OLED/LED+APP
Interfaces: RS485/USB Yes
Interfaces: WIFI/LAN
Yes
Warranty (5/10 years) Yes/Opt

The Growatt Inverter WIT 12K-HU is an excellent choice for small residential solar systems or light commercial projects. Delivering 12 kW of efficient power, it helps reduce your electricity bills while supporting clean energy use. Its compact size and smart monitoring features make installation and management simple and hassle-free. If you’re thinking about buying a reliable inverter at a competitive price, the WIT 12K-HU offers great value and dependable performance. It’s a solid investment for anyone who wants to save energy costs without compromising quality or durability.

1 review for Growatt Inverter WIT 12K-HU

  1. nonez

    I am so glad I ordered this. The product is of excellent quality, and the customer service was very helpful when I had a question. Shipping was faster than advertised, which was a pleasant surprise.

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