Growatt WIT-100/50/63/75K-HU-US
Growatt — the world's #1 residential solar inverter brand by Wood Mackenzie. The WIT 100K-HU-US is a three-phase commercial hybrid inverter (4–100 kW). Designed for schools, mosques, agritech farms, and SMEs across the Middle East replacing diesel gensets with PV+battery.
Technical Specifications
| Parameter | WIT-100K-HU-US | WIT-50K-HU-US | WIT-63K-HU-US | WIT-75K-HU-US |
|---|---|---|---|---|
| PV Input | ||||
| Max recommended PV power (for module STC) | 156kW | 109.2kW | 124.8kW | 156kW |
| Start voltage | 195V | |||
| Max input voltage | 1100V | |||
| Max open circuit voltage of PV | 1000V | |||
| MPPT nominal voltage range | 550V, 180V-800V | |||
| Max. input current per MPPT tracker | 32A (16A per string) | |||
| Max. short-circuit current per MPPT tracker | 40A (20A per string) | |||
| No. of PV strings per MPPT tracker | 2 | |||
| No. of MPP trackers | 10 | 7 | 8 | 10 |
| AC Output | ||||
| AC nominal power | 100kW | 50kW | 63kW | 75kW |
| Max. AC apparent power | 110kVA | 55kVA | 69.3kVA | 82.5kVA |
| Nominal AC voltage/range | 277/480V, -15%~+10% | |||
| AC grid frequency/range | 50/60Hz, 45-55Hz/55-65Hz | |||
| Max. output current | 132.4A | 66.2A | 83.4A | 99.3A |
| Adjustable power factor | 1,...,-1 | |||
| THD | <3% (@100% load) | |||
| AC grid connection type | 3P3W+PE/3P4W+PE | |||
| Efficiency | ||||
| Max. efficiency | 98.2% | |||
| Protection Features | ||||
| DC reverse polarity protection | Yes | |||
| Battery reverse protection | Yes | |||
| AC/DC surge protection | Type II | |||
| Insulation resistance monitoring | Yes | |||
| Ground fault monitoring | Yes | |||
| Grid monitoring | Yes | |||
| Residual-current monitoring unit | Yes | |||
| AC short-circuit protection | Yes | |||
| Strings monitoring | Yes | |||
| Anti-islanding protection | Yes | |||
| PID protection | Opt | |||
| AFCI function | Opt | |||
| Additional Features | ||||
| Battery type | Li-ion | |||
| Transfer time (on/off grid) | ≤16.6ms | |||
| BMS communication | RS485/CAN | |||
| Electrical Data | ||||
| Warranty | 5 years (10 years optional) | |||
| Mechanical Data | ||||
| Dimensions (W×H×D) | 33.5/53.1/20.1 inch (850/1350/510mm) | |||
| Weight | 352.7 lbs (160kg) | 337.3 lbs (153kg) | 352.7 lbs (160kg) | 352.7 lbs (160kg) |
| Operating temperature range | -22°F~+140°F, >122°F derating | |||
| Relative humidity | 0~100% | |||
| Altitude | ≤13123ft(4000m) | |||
| Topology | Transformerless | |||
| Cooling | Smart air cooling | |||
| Enclosure | IP66/NEMA 4X | |||
| Display | OLED+LED/WIFI+APP | |||
| Interfaces: RS485/CAN | Yes | |||
| Interfaces: WIFI/GLAN | Yes Opt | |||
Figures are measured at the test conditions the manufacturer’s datasheet states. A dash means the manufacturer publishes no figure for that model.
Availability & grid compliance in Oman
| Market | Oman |
| Grid authority / regulator | Authority for Electricity Regulation Oman |
| Quotation currency | OMR |
| Support hours timezone | Asia/Muscat |
| Delivery & installation coverage | Muscat, Salalah, Sohar |
Figures on this page are the manufacturer's own, measured at the test conditions the datasheet states — they do not change by country. What changes is the approval that has to be met before the unit is energised: in Oman that is Authority for Electricity Regulation Oman. Confirm the grid code, import requirements and any local certification with them, or with us, before you order.
Key Features & Technical Highlights
- Scalable system configuration, extend to 300kW
- Support UPS function and black start
- 100% unbalanced load when backup
- 110% continuous AC overloading capacity
- Support remote control of DG
- Multiple MPPTs input
- Grid-support functions
Frequently Asked Questions
Is the Growatt WIT 100K-HU-US approved for use in the UAE?
Yes — Growatt inverters are widely used in DEWA Shams Dubai, SEWA, FEWA, EtihadWE, and SEC Saudi Arabia installations. Verify the WIT 100K-HU-US on the latest DEWA Approved Equipment List before EPC submission. Growatt MJS Solutions can supply DEWA documentation on request.
What warranty comes with the Growatt WIT 100K-HU-US, and is it valid in the Middle East?
10-Year Manufacturer Warranty, valid across every market we serve, including UAE, KSA, Oman, Bahrain, Qatar, Kuwait, Egypt, and the wider Middle East/North Africa. Extended warranty options are available at the time of purchase. All warranty claims are processed locally through Growatt MJS Solutions in Dubai.
How do I monitor the Growatt WIT 100K-HU-US remotely?
All Growatt inverters and batteries integrate with the ShinePhone mobile app and ShineServer cloud platform. Add a ShineWiFi-X dongle or use the built-in WiFi (depending on model) for real-time monitoring, alerts, and multi-site management. The app supports English, Arabic, and 20+ languages.
What batteries does the Growatt WIT 100K-HU-US pair with?
WIT 100K-HU-US is compatible with Growatt's LFP battery range — most commonly the ARK XH, ARK HV, or APX HV stack depending on model and topology. Battery sizing depends on your daily backup load; a typical UAE villa uses 10–20 kWh of usable storage. Contact Growatt MJS Solutions for a tailored sizing recommendation.
What's the lead time for the Growatt WIT 100K-HU-US in Dubai?
In-stock units typically ship within 1–2 business days from our Dubai warehouse. For larger orders or specific configurations, lead times of 2–4 weeks may apply. Contact Growatt MJS Solutions on +971 4 255 0887 or sales@growatinverter.com for an exact quote.
How does the Growatt WIT 100K-HU-US perform in UAE summer rooftop temperatures?
Growatt inverters are rated -25 to +60 °C ambient operation, but real-world derating begins around 45 °C. For UAE rooftops where temperatures can exceed 50 °C in summer, we recommend mounting in a shaded location with good airflow, and slightly oversizing PV-to-AC ratio to compensate for afternoon clipping. The IP65/IP66 rating handles dust and humidity.
Is the Growatt WIT 50K-HU-US approved for use in the UAE?
Yes — Growatt inverters are widely used in DEWA Shams Dubai, SEWA, FEWA, EtihadWE, and SEC Saudi Arabia installations. Verify the WIT 50K-HU-US on the latest DEWA Approved Equipment List before EPC submission. Growatt MJS Solutions can supply DEWA documentation on request.
What batteries does the Growatt WIT 50K-HU-US pair with?
WIT 50K-HU-US is compatible with Growatt's LFP battery range — most commonly the ARK XH, ARK HV, or APX HV stack depending on model and topology. Battery sizing depends on your daily backup load; a typical UAE villa uses 10–20 kWh of usable storage. Contact Growatt MJS Solutions for a tailored sizing recommendation.
Is the Growatt WIT 63K-HU-US approved for use in the UAE?
Yes — Growatt inverters are widely used in DEWA Shams Dubai, SEWA, FEWA, EtihadWE, and SEC Saudi Arabia installations. Verify the WIT 63K-HU-US on the latest DEWA Approved Equipment List before EPC submission. Growatt MJS Solutions can supply DEWA documentation on request.
What batteries does the Growatt WIT 63K-HU-US pair with?
WIT 63K-HU-US is compatible with Growatt's LFP battery range — most commonly the ARK XH, ARK HV, or APX HV stack depending on model and topology. Battery sizing depends on your daily backup load; a typical UAE villa uses 10–20 kWh of usable storage. Contact Growatt MJS Solutions for a tailored sizing recommendation.