Description

Solax X3 FORTH 125kW Inverter

High-performance 125kW three-phase inverter from SolaX's FORTH series, engineered for large-scale commercial and industrial PV installations. Equipped with up to 12 MPPTs, 150% PV oversizing, integrated Type II SPD protection, and intelligent features like Smart I-V Curve Diagnosis and night-time reactive power compensation, the X3 FORTH ensures maximum yield, flexibility, and safety in the most demanding energy environments.

Key Features

• 125kW rated power for commercial and industrial-scale applications

• Up to 12 MPPTs with 2 strings per tracker for optimized string management

• Supports 150% PV oversizing and 110% output overloading

• Wide MPPT range of 180–1000 VDC

• Max. 32A input per MPPT, suitable for high-current modules

• Type II DC & AC SPD protection (Type I+II optional)

• Built-in export power control and night-time reactive power support

• Remote firmware updates and configuration

• Smart I-V Curve Diagnosis for efficient maintenance

• IP66-rated housing with smart fan cooling for durability

• Optional ARC fault protection, PLC, and aluminium AC cabling

Specifications

• Power Output: 125000W

• MPPT Voltage Range: 180–1000 VDC

• Max PV Input Voltage: 1100 V

• Nominal Input Voltage: 580/600 V

• Start-up Voltage: 200 V

• No. of MPPTs: 12

• Strings per MPPT: 2

• Max. Input Current per MPPT: 32 A

• Isc PV per MPPT: 46 A

• Nominal AC Voltage: 220/380V, 230/400V, 3/N/PE

• Nominal AC Frequency: 50/60 Hz ±5

• Max. Efficiency: 99.0%

• MPPT Efficiency: 99.9%

• Power Factor Range: 0.8 leading ~ 0.8 lagging

• Cooling: Smart fan cooling

• Operating Temperature: -30°C to +60°C (derating above 45°C)

• Ingress Protection: IP66

• Max Altitude: 4000 m (derating above 3000 m)

• Communication: RS485, USB, DRM, optional PLC

• Display: Optional LCD (16×2) or 4×LED

• Certification: IEC/EN 62109-1/2, EN 50549, VDE4105, AS4777.2, etc.

• SKU: X3-FTH-125K

Applications

• Utility-scale PV installations

• Large industrial or commercial solar farms

• Distributed energy systems with export power control

• Projects requiring high MPPT granularity and monitoring

• Environments demanding rugged, IP66-rated equipment

Why Choose This Product

• High Efficiency: Achieves 99.0% peak efficiency with 99.9% MPPT tracking

• Scalability: 12 MPPTs and 150% oversizing ensure compatibility with future expansions

• Safety Built-in: Type II surge protection, AFCI (optional), and advanced diagnostics

• Smart Grid Ready: Supports VPP participation, reactive power at night, remote configuration

• Industrial Durability: Rugged design, smart cooling, and wide environmental tolerance

What’s Included in the Box

• 1x Solax X3 FORTH 125kW Inverter

• Integrated wiring and installation terminals

• Quick-start guide and documentation

• Optional communication interfaces and LCD display

Disclaimer

All product information provided by Solareon UK is intended for general guidance only and may be subject to change or error. Solareon UK does not accept liability for any inaccuracies or omissions in the product specifications displayed. For accurate and detailed technical information, please refer to the manufacturer’s official datasheet available in the 'Downloads' section. We strongly advise confirming all critical details directly with the manufacturer prior to making purchasing or installation decisions.