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Growatt WIT 4K-HU Hybrid Inverter 4kW Three-Phase

SKU:  2085
  • ✓︎ 4 kW AC output, three-phase for a stable power supply
  • ✓︎ Backup-ready with a 10 ms switching time
  • ✓︎ Up to 200% overload capacity for 10 seconds

Available immediately
Delivery time: 5 - 6 weeks

1.199,00 €
incl. 0% VAT , plus shipping costs
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Description

Growatt WIT 4K-HU is a powerful three-phase hybrid inverter for anyone who wants to flexibly store and use their solar power at home. With a rated AC output of 4000 W and backup power functionality, the WIT 4K-HU ensures a reliable energy supply for your home.

Key Benefits for Your System

  • Reliable backup power supply: In the event of a grid outage, the inverter switches to battery operation in just 10 ms.
  • High overload capability: Short-term load peaks of up to 200% of rated power for 10 seconds are handled without any issues.
  • Flexible battery compatibility: Compatible with lead-acid and lithium-ion battery storage in the 40–60 V voltage range.
  • Easy monitoring: Thanks to integrated Wi-Fi and LAN, you can conveniently keep track of your power consumption via app.

Smart Use of Your Solar Power

A modern hybrid inverter like the Growatt WIT 4K-HU ensures that your self-generated solar power is used optimally – whether for direct consumption, storage in a battery, or grid feed-in. With an efficiency of up to 97.6%, the device operates extremely efficiently and reduces conversion losses to a minimum. The integrated generator input and smart load management enable flexible operation, while the transformerless topology with smart air cooling ensures quiet operation below 50 dB(A). This gives you a significant degree of independence from the public grid and noticeably lowers your electricity costs. Thanks to IP66 protection, the Growatt WIT 4K-HU is also suitable for indoor and outdoor installation.

GENERAL DATA (Basic inverter information)
Manufacturer Growatt
Model WIT 4K-HU
Type Three-phase hybrid inverter
Topology Transformerless
Cooling Smart Air Cooling
Protection rating IP66
Dimensions (W/H/D) 475 / 698 / 240 mm
Weight 43 kg
Operating temperature –30 °C ... +60 °C (> 45 °C, derating)
Noise level ≤ 50 dB(A)
Warranty 5 / 10 years (optional)
PV INPUT DATA (Solar input)
Max. recommended PV power 6400 W
Max. input voltage 1000 V
Start voltage 180 V
Rated voltage 600 V
MPPT voltage range 150 V – 850 V
Max. input current per MPP tracker 40 A
Max. short-circuit current per MPP tracker 50 A
Number of MPP trackers 1
PV strings per MPP tracker 2
AC INPUT/OUTPUT (Grid connection incl. gen port)
AC input/output rated power (grid) 8000 W / 4000 W
Max. AC input/output apparent power (grid) 8800 VA / 4400 VA
Max. input/output current (grid) 13.4 A / 6.7 A
Max. input current (GEN/AC coupling) 12.2 A
Max. continuous AC pass-through current 50.1 A
Rated AC voltage / range 220V/380V, 230V/400V, -15% ~ +10%
Rated grid frequency / range 50/60 Hz, 45~55 Hz / 55~65 Hz
Adjustable power factor -1 ... +1
THDi < 3%
AC grid connection type 3P3W+PE / 3P4W+PE
BATTERY & BACKUP POWER (Storage and backup data)
Battery type Lead-acid or lithium-ion
Battery voltage range / rated voltage 40–60 V / 51.2 V
Max. charge / discharge current 110 A
BMS communication RS485 / CAN
Rated AC output power (backup) 4000 W
Max. AC apparent power (backup) 200% of rated power, 10 s
Rated AC output voltage 220V/380V, 230V/400V
Rated output frequency 50/60 Hz
Max. output current 12.2 A @ 220V / 11.6 A @ 230V
THDv 3% (linear load)
Load imbalance 100% three-phase unbalanced
On-/off-grid switching time 10 ms
EFFICIENCY & INTERFACES (Efficiency and communication)
Max. efficiency 97.60%
European efficiency 97.00%
MPPT efficiency 99.90%
Display OLED/LED + app
RS485/USB interfaces Yes
Wi-Fi/LAN interfaces Yes
Certifications IEC62109, IEC 61000, IEC 61727, IEC 62116, IEC 61683, IEC 60068, EN 50549, VDE 4105

Scope of Delivery

  • Growatt WIT 4K-HU hybrid inverter
  • Mounting bracket
  • Connectors and plug connectors
  • User manual

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Growatt WIT 4K-HU Hybrid Inverter 4kW Three-Phase

Growatt WIT 4K-HU Hybrid Inverter 4kW Three-Phase

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