40,000 W / 50,000 W Rated Active Power
THREE PHASE INVERTER 40 TO 50kW
Xerox G4 Pro Series.
Next-generation 40–50 kW three-phase solar conversion engineered for large commercial, industrial, and utility-scale solar projects.
60,000 Wp / 75,000 Wp STC PV Input
Quad Independent MPPT Inputs

Max. Conversion Efficiency
Outdoor-Rated Protection
Max. 20 A Input Current Per String
01 KEY PRODUCT HIGHLIGHTS
Built for installers.
Engineered for high yield.
Three core pillars combining tool-free installation, high-current MPPT flexibility, and integrated outdoor protection.
Easy-to-install
Tool-free DC connections, fuse-free architecture, and digital commissioning for commercial teams.
- Phoenix Contact connectors for reliable tool-free DC connection
- Compact wall mount design
- Fuse-free design thereby reducing BOS cost
- Setup, commissioning and monitoring via the Ai Solar app
Reliable
150% PV array oversizing and high-current multi-MPPT tracking for bifacial and large-area modules.
- 150 % PV array oversizing for higher yields
- Up to 5 MPPT’s for flexible PV array design
- Max. 20A input current per string, ideal for bifacial and large area PV modules
- ShadeSol - improved generation under non-ideal conditions
User-Friendly
Comprehensive surge protection, integrated DC switching, and weatherproof outdoor resilience.
- Type II AC & DC Surge Protection
- Integrated DC switches
- IP66 rated design for outdoor use
02 PRODUCT OVERVIEW
Xerox G4 Pro 40-50kW
(Three Phase Inverter 40 to 50kW – G4 Pro 40K/60kpV -- G4 Pro 50K/75kpV)
The Xerox G4 Pro Series (40–50 kW) is a next-generation three-phase inverter designed for large commercial and industrial solar projects. With a higher power range and quad MPPT trackers, it ensures maximum energy harvest, seamless scalability, and robust performance for utility-scale applications.
Wide Compatibility
Tailored for demanding environments, this inverter delivers top-tier efficiency and stable grid compliance. Its wide DC input range, adaptive power management, and industry-leading efficiency levels make it an excellent choice for long-term investment in clean energy.
Superb Safety & Reliability
Equipped with modern communication interfaces, the G4 Pro Series supports real-time monitoring, remote diagnostics, and data export for smarter operations. Whether on-site or off-site, operators gain complete visibility and control over system performance.
03 TECHNICAL DATASHEET
Complete technical
specifications.
Full factory parameters for models G4 Pro 40K/60kpV and G4 Pro 50K/75kpV.
| PRODUCT MODEL | G4 Pro 40K/60kpV | G4 Pro 50K/75kpV |
|---|---|---|
| INPUT (AC) | ||
| Max. PV array power | 60000 Wp STC | 75000 Wp STC |
| Max. input voltage | 1100 V | |
| MPP voltage range / rated input voltage | 180 V - 1000 V / 630 V | |
| Min. input voltage | 160 V | |
| Initial. feed-in voltage | 200 V | |
| Max. short circuit current | 40 A / 32 A / 20 A / 20 A | 40 A / 40 A / 20 A / 32 A |
| Max. operating input current | 50 A / 40 A / 25 A / 25 A | 50 A / 50 A / 25 A / 40 A |
| No. of independent MPPT inputs / strings per MPPT input | 4 / A:2; B:2; C:1; D:1 | 4 / A:2; B:2; C:1; D:2 |
| OUTPUT (AC) | ||
| Rated active power | 40000 W | 50000 W |
| Rated apparent power | 40000 VA | 50000 VA |
| Max. apparent power | 44000 VA | 55000 VA |
| AC nominal voltage | 230 V / 400 V | |
| AC voltage range | 160 V - 300 V / 320 V - 520 V | |
| AC grid frequency / range | 50 Hz / 45 Hz - 55 Hz | 60 Hz / 55 Hz - 65 Hz | |
| Max. output current | 63.8 A | 79.7 A |
| Rated output current | 58.0 A | 72.5 A |
| Adjustable power factor range | 0.8 leading to 0.8 lagging | |
| Feed-in phases | 3 / 3-N-PE | |
| Harmonic distortion (THD) at rated output | < 3% | |
| EFFICIENCY & PROTECTION | ||
| Max. efficiency / European efficiency | 98.7% / 98.3% | |
| DC Switch | ● | |
| Ground fault monitoring / grid monitoring | ● / ● | |
| DC reverse polarity protection / AC short circuit protection | ● / ● | |
| All-pole-sensitive residual-current monitoring unit | ● | |
| Arc fault circuit interrupter (AFCI) | ○ | |
| Anti-Islanding protection | ● | |
| Surge protection | ● / Type II | |
| Protection class (according to IEC 62109-1) / overvoltage category (according to IEC 62109-1) | I / AC: III; DC: II | |
| GENERAL DATA | ||
| Dimensions (W / H / D) | 574 / 513.5 / 234.5 mm | |
| Weight | 29.5 kg | 30.5 kg |
| Operating temperature range | –30 °C … +60 °C | |
| Self-consumption (at night) | < 1 W | |
| Topology | Non-isolated | |
| Cooling concept | Active cooling | |
| Degree of protection (according to IEC 60529) | IP66 | |
| Climatic category (according to IEC 60721-3-4) | 4K4H | |
| Max. permissible value for relative humidity (non-condensing) | 1 (100%) | |
| Max. operating altitude | 3000 m | |
| FEATURES | ||
| DC connection | Plug-in connector | |
| AC connection | Plug-in connector | |
| Mounting type | Wall-mount bracket | |
| LED indicators (Status / Fault / Communication) | ● | |
| Communication interface¹ (RS485 / Wi-Fi / LAN / 4G) | ● / ● / ○ / ○ | |
| Country of manufacture | China | |
| Certificates and approvals (more available on request) | IEC62109-1 / IEC62109-2 / IEC62727 / IEC62683 / IEC62116 | |
¹ Zero export installations supported with 2-pin RS485 for connection to approved smart meters.
Data at nominal conditions. All information is subject to change.
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Get the official technical datasheet, user manual, or connect with KNOX engineering for commercial array sizing.