Growatt MAX 333K-X
Growatt MAX 333K-X
Growatt — the world's #1 residential solar inverter brand by Wood Mackenzie. The MAX 333K-X is a utility-scale three-phase string inverter. Designed for large rooftops, ground-mount solar farms, and IPP projects in KSA, Egypt, Jordan, and Morocco. Key features: 1100V or 1500V DC, multi-MPPT, AFCI, smart cooling. 5-year warranty (extendable). Available in 17 regions across the Middle East, Europe, and Africa via Growatt MJS Solutions, the authorised distributor based in Dubai. Remote monitoring via the ShinePhone app and ShineServer cloud — view performance from anywhere, configure alerts, and manage multiple sites.
Key Features
- Maximum efficiency 99.03%
- Intelligent string breaking, active safety
- MPPT current 80A, adapted to 182/210 components
- String detection and I/V scanning, accurate location of abnormal strings
- IP66 protection level, adaptable to harsh environments
- Supports aluminium wire access, saving AC cable cost
Specifications
Electrical
| Max. recommended PV power (for module STC) | 499500W |
| Max. DC voltage | 1500V |
| Start voltage | 500V |
| Nominal voltage | 1080V |
| MPP voltage range | 500V-1500V |
| Max. input current per MPPT tracker | 80A |
| Max. short-circuit current per MPPT tracker | 100A |
| No. of MPPT trackers | 6 |
| No. of PV strings per MPPT tracker | 5 |
| AC nominal power | 333000W |
| Max. AC apparent power | 366300VA@25°C 333000VA@45°C 295000VA@50°C |
| Nominal AC voltage | 800V |
| AC output range | 640-920V AC |
| AC grid frequency (range) | 50/60 Hz (45-55 Hz / 55-65 Hz) |
| Nominal output current | 240.3A |
| Adjustable power factor | 0.8 leading - 0.8 lagging |
| THDi | <3% |
| AC grid connection type | 3W+PE |
| Max efficiency | 99.03% |
| European efficiency | 98.53% |
| MPPT efficiency | 99.90% |
| DC reverse polarity protection | Yes |
| DC Switch | Yes |
| AC/DC surge protection | Type I / Type II |
| Insulation resistance monitoring | Yes |
| RCD detection | Yes |
| Output short circuit protection | Yes |
| String fault monitoring | Yes |
| Anti-PID function | Optional |
| Display | LED/WIFI+APP |
| Interfaces | USB/RS485/GPRS/4G/PLC/WIFI |
Mechanical
| Dimensions (W / H / D) | 1145/790/371mm |
| Weight | 139kg |
| Operating temperature range | -30°C to +60°C |
| Altitude | 5000m (Derating @ 4000 m) |
| Relative humidity | 0-100% |
| Nighttime power consumption | <1W |
| Topology | Transformerless |
| Cooling | Smart air cooling |
| Protection degree | IP66 |
FAQs
Is the Growatt MAX 333K-X 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 specific SKU 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 MAX 333K-X, and is it valid in the Middle East?
5-Year Manufacturer Warranty, valid across all 17 regions 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 MAX 333K-X 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.
Can I install the Growatt MAX 333K-X on a three-phase commercial site?
Yes — MAX 333K-X is designed for three-phase 400V grid connections common in UAE/KSA commercial buildings. It supports parallel installation for larger arrays, smart string monitoring, and integrates with EMS/SCADA via RS485/Ethernet. Suitable for warehouses, schools, mosques, and light-industrial rooftops.
What's the lead time for the Growatt MAX 333K-X 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 MAX 333K-X 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.