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The latest Solax 20Kw On-Grid Solar Inverter price in Pakistan is Rs. 358,000/- updated on August 31, 2026.
Overview:
The Solax 20Kw On-Grid Solar Inverter is confirmed, via SolaX’s own official datasheet (fetched directly this session), as the X3-PRO-20K-G2 model — part of the X3-PRO G2 three-phase residential and light commercial on-grid range (8/10/12/15/17/20/25/30kW). It’s a pure grid-tied string inverter with no battery input.
Max. recommended PV array power is 30.0kWp at up to 1,100V max input voltage (135–985V operating range, 160–980V MPPT range), through 3 MPP trackers, 2 strings each at up to 32A max input current per tracker with global MPP scan for shade tolerance. Rated output power is 20kW at 30.3 A, with max apparent output of 22.0 kVA at 33.6 A continuous current — supporting 150% DC oversizing and 110% AC overload.
Maximum efficiency reaches 98.5% (98.0% European efficiency), with an adjustable power factor from 0.8 lagging to 0.8 leading and under 3% THDi. The IP66-rated enclosure (Smart air cooling) operates from -30°C to +60°C up to 4,000m altitude and 0–100% relative humidity, weighing 28.0 kg, with built-in export power control, intelligent load management, and optional 24-hour WiFi/LAN/4G monitoring via SolaXCloud.
Key Features:
- 20kW rated output power, three-phase on-grid string inverter (X3-PRO-20K-G2)
- Max. recommended PV array power 30.0kWp, max. PV input voltage 1,100V
- 3 MPP trackers, 2 strings each, 135–985V operating range, 160–980V MPPT range
- Max. input current 32A per MPPT, global MPP scan for shade tolerance
- Rated output current 30.3 A, max. apparent output power 22.0 kVA
- Max. continuous output current 33.6 A
- 150% DC oversizing, 110% AC overloading output
- Up to 98.5% max. efficiency, 98.0% European efficiency
- Adjustable power factor 0.8 lagging to 0.8 leading, <3% THDi
- IP66 protection, -30°C to +60°C operating range, up to 4,000m altitude
- 0–100% relative humidity (condensing)
- Built-in export power control and intelligent load management (heat pump, EV charger)
- Optional 24h WiFi/LAN/4G monitoring via SolaXCloud
- Weight 28.0 kg, Smart air cooling
Documents:
GENERAL
| Model | X3-PRO-20K-G2 |
| Type | Three-Phase Residential On-Grid Inverter |
| Rated Output Power | 20 kW |
ELECTRICAL / PV INPUT
| Max. Recommended PV Array Power | 30.0 kWp |
| Max. PV Input Voltage | 1,100 V |
| Operation Voltage Range | 135–985 V |
| MPPT Voltage Range | 160–980 V |
| Start-up Voltage | 200 V |
| MPP Trackers / Strings | 3 MPP trackers, 2 strings each |
| Max. Input Current per MPPT | 32 A |
| Max. Short-Circuit Current per MPPT | 40 A |
AC OUTPUT
| Rated Output Power | 20 kW |
| Rated Output Current | 30.3 A |
| Max. Output Apparent Power | 22.0 kVA |
| Max. Output Continuous Current | 33.6 A |
| Rated AC Voltage | 3/N/PE, 220/380V or 230/400V |
| Adjustable Power Factor | 0.8 lagging to 0.8 leading |
| THDi (Rated Power) | <3% |
PERFORMANCE
| Max. Efficiency | 98.5% |
| European Efficiency | 98.0% |
| PV Oversizing | 150% DC / 110% AC overload |
SAFETY
| Ingress Protection | IP66 |
| Operating Temperature | -30°C to +60°C |
| Max. Altitude | 4,000 m |
| Humidity | 0–100% RH (condensing) |
| Surge Protection | Type II (DC and AC) |
| Optional Protection | AFCI (arc-fault, future upgrade) |
MECHANICAL
| Dimensions | 482 × 417 × 186 mm |
| Weight | 28.0 kg |
| Cooling | Smart air cooling |
COMMUNICATION
| Interfaces | RS485, DRM, optional meter |
| Monitoring | Optional 24h WiFi/LAN/4G via SolaXCloud |
| Night Power Consumption | <3 W |
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