Detailed Technical Specifications
- Max. DC input power: 30,000 W (150 % oversizing permitted)
- Max. DC input voltage: 1,100 V
- 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
- Max. input current: 32 A / 32 A (per MPPT)
- Max. short-circuit current: 40 A / 40 A (per MPPT)
- Rated AC output power: 25,000 VA
- Rated AC output current: 38.0 A
- Max. AC apparent power: 27,500 VA (110% overload)
- Max. AC current: 41.8 A
- Mains voltage range (AC): 220/380 V, 230/400 V (3/N/PE, 3/PE)
- Mains frequency range: 50 / 60 Hz
- Power factor (phase angle): 0.8 leading – 0.8 lagging
- Total harmonic distortion (THDi): < 3 %
- Maximum efficiency: 98.5 %
- Euro-efficiency: 98.0 %
- Internal power consumption (night): < 1 W
- Protection class: IP66
- Operating temperature range: -30 °C to +60 °C (derating from +45 °C)
- Maximum altitude: 4,000 m (derating above 3,000 m)
- Relative humidity: 0–100 %
- Noise emission (typical): < 55 dB
- Storage temperature: -30 °C to +60 °C
- Dimensions (W × H × D): 482 × 417 × 181 mm
- Weight: 28 kg
- Cooling concept: Smart fan cooling
- Communication: USB / RS485 / DRM / Pocket LAN (optional) / 4G (optional) / Adapter Box (optional) — No built-in Wi-Fi
- Overvoltage / undervoltage protection: Yes
- DC isolation protection: Yes
- Grid monitoring: Yes
- DC feed-in monitoring: Yes
- Residual current protection and detection: Yes
- Anti-islanding protection: Yes
- Overheating protection: Yes
- SPD (DC / AC): Type II / Type II
Performance Data and Efficiency Curves
Efficiency and Performance
- Maximum efficiency: 98.5 %
- Euro-efficiency: 98.0 %
- Night-time consumption: < 1 W
- Permitted DC oversizing: 150 %
- AC overload capacity: 110% of rated power
Operating Limits
- Ultra-wide MPPT range: 160–980 V
- Maximum DC current: 32 A per MPPT
- Operating temperature: -30 °C to +60 °C
- Power derating: from +45 °C
- Maximum altitude without derating: 3,000 m
Smart functions
- Integrated power export control
- Built-in shade tracking (shade fix)
- 24-hour monitoring with remote updates
- Smart adjustment of heat pump loads (optional)
Detailed Applications and Use Cases
Commercial and Industrial Photovoltaic Installations
- Industrial rooftops with three-phase low-voltage generation (400 V, 3F+N)
- Installations in industrial estates with high daytime peak demand
- Supermarkets, logistics centres and office buildings with high in-house consumption
- Compatibility with high-power panels (550–700 Wp) thanks to the 32 A limit per MPPT
- 150 % DC oversizing to maximise generation during peak hours
High-Consumption Residential Properties with Zero Feed-in
- High-consumption single-family homes with three-phase power (heat pumps, EV chargers, air conditioning)
- Integrated zero-injection function: compliance with Royal Decree 244/2019
- Smart heat pump control to maximise self-consumption (optional)
Expansion and Modernisation of Photovoltaic Farms
- MPPT range 160–980 V: compatible with existing medium- and high-voltage strings
- RS485 communication and Adapter Box for integration with SCADA systems and third-party data loggers
- Remote firmware updates without the need for on-site visits
- NTS certificates and zero-injection certificates available in the product attachments
High-Altitude Environments and Harsh Climates
- Operation up to 4,000 m altitude (derating from 3,000 m)
- IP66 protection: dust-tight and resistant to water jets under pressure
- Temperature range -30 °C to +60 °C: suitable for extreme climates
- Storage between -30 °C and +60 °C without degradation
Certifications and Full Regulatory Compliance
Electrical Safety
- IEC 62109-1 / IEC 62109-2 — Safety of photovoltaic inverters
- IEC 62040 — Uninterruptible power supply systems
- IEC 61683 — Methods for measuring performance
- EN 50530 — Euro-efficiency of photovoltaic inverters
- IEC 60068 — Environmental testing
EMC and Grid Connection
- EN 61000-6-1 / -6-2 / -6-3 — Electromagnetic compatibility
- VDE 4105 — Low-voltage generators (Germany)
- EN 50549 — Requirements for generators in distribution networks
- IEC 61727 / IEC 62116 — Grid interface and anti-islanding protection
- AS 4777 — Australian standard for grid connection
- CQC — Chinese Quality Certification
Spain-Specific Documentation
- X3-PRO-G2 Grid Connection Certificate — Supplied with the product
- X3-PRO-G2 NTS and Zero Injection Certificate — Included with the product
- CE Certificate of Conformity — Enclosed with the product
- Installation guide in Spanish — Included with the product
- Official SolaX Power warranty — Certificate included with the product
Compatible Components for the X3-PRO Series
This inverter is part of the SolaX Power X3-PRO series. The following accessories are available under separate part numbers to extend the after-sales service coverage for the installation.
Warranty Extension — X3-PRO Series
- ACC2081 — X3-PRO warranty extension (part no. 2081)
- ACC2082 — X3-PRO warranty extension (ref. 2082)
- ACC2083 — X3-PRO warranty extension (part no. 2083)
- ACC2640 — X3-PRO G2 warranty extension (ref. 2640)
- ACC2641 — X3-PRO G2 extended warranty (ref. 2641)
Techno Sun Professional Technical Support
Specialist technical support for professional installers, including advice on sizing, commissioning and resolving technical issues. All official SolaX documentation (technical data sheet, installation guide, manuals and grid connection certificates) is available in the product attachments.
ALWAYS IN STOCK
24–48-HOUR DELIVERY
OFFICIAL SOLAX POWER WARRANTY
SolaX Power X3-PRO-25K-G2
Part number: GRI0864-SINW | 25 kW three-phase grid-connected inverter
The high-efficiency solution for high-power three-phase photovoltaic generation in installations requiring maximum reliability, a wide MPPT range and full regulatory compliance.
SOLAX POWER OFFICIAL WARRANTY
AUTHORISED DISTRIBUTOR