Detailed Technical Specifications
- Maximum DC input power: 30,000 W (150% oversizing)
- Maximum DC input voltage: 1,100 V
- Minimum start-up voltage: 200 V
- Rated DC voltage: 650 V
- MPPT voltage range: 160–980 V
- Number of MPPT trackers: 2
- Strings per MPPT tracker: 2
- Maximum input current (MPPT1 / MPPT2): 32 A / 32 A
- Maximum short-circuit current (MPPT1 / MPPT2): 40 A / 40 A
- Shade tracking: Built-in (Shadow Tracking)
- Rated AC output power: 20,000 VA
- Rated AC output current: 30.5 A
- Maximum apparent AC power: 22,000 VA (110 per cent overload)
- Maximum AC current: 33.6 A
- Mains configuration: 3/N/PE or 3/PE (three-phase)
- Accepted mains voltages: 220/380 V, 230/400 V
- Frequency range: 50 / 60 Hz
- Power factor shift: 0.8 inductive ~ 0.8 capacitive
- Total harmonic distortion (THDi at full load): < 3 %
- Maximum efficiency: 98.3%
- Euro-efficiency: 97.8%
- Internal power consumption at night: < 1 W
- Overvoltage/undervoltage protection: Integrated
- DC isolation: Integrated monitoring
- Grid monitoring: Integrated
- DC feed-in monitoring: Integrated
- Residual current protection (RCD): Integrated
- Insulation monitoring: Integrated
- Overheating protection: Integrated
- Surge protection devices (DC/AC SPDs): Type II / Type II
- ARC protection (arc detection): Optional
- Dimensions (W × H × D): 482 × 417 × 181 mm
- Weight: 26 kg
- Protection rating: IP66
- Cooling: Smart Fan Cooling
- Typical noise level: < 55 dB
- Operating temperature: -30 ºC to +60 ºC (derating above 45 ºC)
- Storage temperature: -30 ºC to +60 ºC
- Maximum operating altitude: 4,000 m (derating above 3,000 m)
- Relative humidity: 0–100 per cent
- Standard communication interfaces: USB / RS485 / DRM / Pocket WiFi
- Additional communication options: Pocket LAN / Pocket 4G / Adapter Box
Performance Data and Efficiency Curves
Efficiency and Power
- Maximum efficiency: 98.3% (certified)
- Euro-efficiency: 97.8%
- Maximum apparent power: 22,000 VA (110 per cent overload)
- DC capacity: up to 30,000 W (150% overloading)
- Adjustable power factor: 0.8 inductive ~ 0.8 capacitive
Operating limits
- Maximum DC voltage: 1,100 V
- MPPT operating range: 160–980 V
- Maximum current per MPPT: 32 A (Icc max. 40 A)
- Derating temperature: > 45 °C
- Derating altitude: > 3,000 m
Export Control and Monitoring
- Integrated power export control
- Built-in MPPT shadow tracking
- 24-hour continuous monitoring via SolaX Cloud
- Remote firmware updates (OTA)
- Compatible with smart heat pump load control (optional)
Detailed Applications and Use Cases
Commercial and Industrial Photovoltaic Installations
- Commercial buildings with a balanced three-phase demand of 15–30 kW
- Light industrial units, logistics warehouses and offices with daytime consumption
- Three-phase self-consumption with or without surplus energy fed into the grid
- Roofs with panels facing multiple directions, utilising the 2 independent MPPT trackers
- Systems with high-power panels (> 600 Wp) thanks to the 32 A current per MPPT
Advanced Grid Feed-in Management
- Integrated power export control to meet zero or limited feed-in requirements
- Compatible with grid meters for dynamic adjustment of generation
- Power factor adjustment within the range 0.8 inductive to 0.8 capacitive
- Certified for grid connection in accordance with VDE 4105, EN 50549, IEC 61727 and IEC 62116
- DRM communication for grid demand response
Installations with Demanding Environmental Conditions
- Suitable for outdoor installation thanks to its IP66 protection rating
- Guaranteed operation between -30 ºC and +60 ºC (derating above 45 ºC)
- Installations at altitudes of up to 4,000 m above sea level
- Intelligent fan cooling that adjusts the speed to the actual thermal load
- Noise level below 55 dB, suitable for installations near occupied areas
Integration with Monitoring and Automation Systems
- Pocket WiFi included in GRI0863-WIFI; RS485 available on both models
- SolaX Cloud platform for real-time monitoring of output, voltages and alarms
- OTA firmware updates without the need for a technician to visit
- Compatible with Adapter Box for integration with energy management systems (EMS/SCADA)
- Smart adjustment of heat pump loads to maximise self-consumption (optional)
Certifications and Full Regulatory Compliance
Electrical Safety
- IEC 62109-1 / IEC 62109-2 — Safety of power converters for PV systems
- IEC 62040 — Performance and testing requirements
Electromagnetic Compatibility (EMC)
- EN 61000-6-1 / EN 61000-6-2 — Generic immunity for residential and industrial environments
- EN 61000-6-3 — Electromagnetic emissions in residential environments
Mains Connection and Performance
- VDE 4105 / EN 50549 — Grid connection regulations (Germany / Europe)
- IEC 61727 — Characteristics of the grid interconnection interface
- IEC 62116 — Insulation test procedures
- IEC 61683 / EN 50530 — Performance measurement and MPPT of PV systems
- IEC 60068 — Environmental tests (temperature, humidity, vibration)
- AS 4777 — Grid connection requirements (Australia / New Zealand)
- CQC — China Quality Certification Centre
Compatible Components for the X3-PRO Series
This inverter is part of the X3-PRO series from SolaX Power. Listed below are the complementary components available under separate part numbers to complete or expand the installation according to project requirements.
Warranty Extension
- ACC2082 — 5-year warranty extension for X3-PRO-20.0-G2
- ACC2081 — 5-year warranty extension for X3-PRO-15.0-G2
Other X3-PRO Series Inverters
- GRI0858-WIFI — X3-PRO-8K-G2 8,000 W (with Wi-Fi)
- GRI0859-SINW — X3-PRO-10K-G2 10,000 W (without Wi-Fi)
- GRI0864-SINW — X3-PRO-25K-G2 25,000 W (without Wi-Fi)
- GRI0865-WIFI — X3-PRO-30K-G2 30,000 W (with Wi-Fi)
Techno Sun Professional Technical Support
Specialised technical support for professional installers, including advice on sizing, commissioning and resolving technical issues with the SolaX Power X3-PRO range.
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SolaX Power X3-PRO-20K-G2
Part number: GRI0863-WIFI / GRI0863-SINW | 20 kW three-phase grid-connected inverter
The definitive solution for commercial and industrial three-phase self-consumption in applications requiring maximum energy efficiency, communications versatility and environmental robustness with IP66 certification.
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