Skip to content
MODELSG4 Pro 40K/60kpV · G4 Pro 50K/75kpV

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.

01 / RATED OUTPUT
40–50kW

40,000 W / 50,000 W Rated Active Power

44,000 VA / 55,000 VA Max. Apparent · 3-Phase
02 / MAX. PV ARRAY POWER
75kWp

60,000 Wp / 75,000 Wp STC PV Input

150% PV Array Oversizing · 1100 V Max.
03 / MPPT TRACKING
4MPPTs

Quad Independent MPPT Inputs

Strings: A:2; B:2; C:1; D:1/2 · 180 V – 1000 V MPP
G4 Pro 40K / 50KIP66 RATEDKNOX Xerox G4 Pro 40-50kW Three-Phase Solar Inverter unit
Models: G4 Pro 40K/60kpV & G4 Pro 50K/75kpV574 × 513.5 × 234.5 mm · 29.5 kg / 30.5 kg
04 / CONVERSION EFFICIENCY
98.7%

Max. Conversion Efficiency

98.3% European Efficiency · < 3% THD
05 / ENCLOSURE & THERMAL
IP66

Outdoor-Rated Protection

–30 °C to +60 °C · Active Cooling
06 / BIFACIAL READY
20A

Max. 20 A Input Current Per String

Up to 50 A / 50 A / 25 A / 40 A Operating
DOCUMENTATION & ENQUIRY

Download official technical documentation or request project pricing for G4 Pro 40K/60kpV · G4 Pro 50K/75kpV.

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.

01 / INSTALLATION

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
02 / PERFORMANCE & YIELD

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
03 / SAFETY & DURABILITY

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)

40–50 kW Power RangeQuad MPPT TrackersCommercial & Utility-Scale

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.

ADAPTIVE POWER MANAGEMENTDEMANDING ENVIRONMENTS

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.

Wide 180V–1000V DC Input RangeAdaptive Power Management98.7% Max. EfficiencyStable Grid Compliance
INTELLIGENT TELEMETRYON-SITE & OFF-SITE CONTROL

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.

Real-Time MonitoringRemote Diagnostics & Data ExportRS485 · Wi-Fi · LAN · Optional 4GComplete System Visibility

03 TECHNICAL DATASHEET

Complete technical
specifications.

Full factory parameters for models G4 Pro 40K/60kpV and G4 Pro 50K/75kpV.

PRODUCT MODELG4 Pro 40K/60kpVG4 Pro 50K/75kpV
INPUT (AC)
Max. PV array power60000 Wp STC75000 Wp STC
Max. input voltage1100 V
MPP voltage range / rated input voltage180 V - 1000 V / 630 V
Min. input voltage160 V
Initial. feed-in voltage200 V
Max. short circuit current40 A / 32 A / 20 A / 20 A40 A / 40 A / 20 A / 32 A
Max. operating input current50 A / 40 A / 25 A / 25 A50 A / 50 A / 25 A / 40 A
No. of independent MPPT inputs / strings per MPPT input4 / A:2; B:2; C:1; D:14 / A:2; B:2; C:1; D:2
OUTPUT (AC)
Rated active power40000 W50000 W
Rated apparent power40000 VA50000 VA
Max. apparent power44000 VA55000 VA
AC nominal voltage230 V / 400 V
AC voltage range160 V - 300 V / 320 V - 520 V
AC grid frequency / range50 Hz / 45 Hz - 55 Hz | 60 Hz / 55 Hz - 65 Hz
Max. output current63.8 A79.7 A
Rated output current58.0 A72.5 A
Adjustable power factor range0.8 leading to 0.8 lagging
Feed-in phases3 / 3-N-PE
Harmonic distortion (THD) at rated output< 3%
EFFICIENCY & PROTECTION
Max. efficiency / European efficiency98.7% / 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
Weight29.5 kg30.5 kg
Operating temperature range–30 °C … +60 °C
Self-consumption (at night)< 1 W
TopologyNon-isolated
Cooling conceptActive 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 altitude3000 m
FEATURES
DC connectionPlug-in connector
AC connectionPlug-in connector
Mounting typeWall-mount bracket
LED indicators (Status / Fault / Communication)●
Communication interface¹ (RS485 / Wi-Fi / LAN / 4G)● / ● / ○ / ○
Country of manufactureChina
Certificates and approvals (more available on request)IEC62109-1 / IEC62109-2 / IEC62727 / IEC62683 / IEC62116
● standard features○ optional features– not available

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.

READY TO SPECIFY Xerox G4 Pro 40-50kW?

Download resources or
request a project quote.

Get the official technical datasheet, user manual, or connect with KNOX engineering for commercial array sizing.