SolaX X3-Forth 125.0 Three-Phase 125kW Inverter

SolaX X3-Forth 125.0 Three-Phase Inverter

The SolaX X3-Forth 125.0 is an advanced three-phase commercial inverter built to meet the rigorous demands of large-scale solar installations. With its high efficiency, robust safety systems, and smart design, this unit provides flexible, future-ready performance for professional PV systems.

High Efficiency Commercial-Grade Output

Designed for scale, the X3-Forth 125.0 supports up to 188kWp PV array input and offers a maximum output power of 125kW, with 132kVA peak apparent power. Featuring up to 12 MPPTs (2 strings per tracker), it delivers reliable energy harvest across diverse array configurations.

Smart Design & Intelligent Operation

• Remote configuration & updates for streamlined operation and maintenance.
• Night-time reactive power compensation ensures grid compliance 24/7.
• Smart air cooling system extends fan lifespan and optimises heat dissipation.
• Built-in export power control helps comply with DNO and grid export regulations.

Advanced Protection & Safety Features

SolaX prioritises safety with multiple onboard features:

• Ingress Protection: IP66-rated housing suitable for tough environments.
• Integrated SPD: Type II surge protection on both DC and AC sides.
• Temperature & fault monitoring: AC terminal thermal detection, string current checks, and residual current protection.
• Optional AFCI: Arc-fault circuit interrupter support for additional peace of mind.

Why Evergy Recommends This Product

• Maximum Yield: Achieves up to 99% efficiency and supports PV oversizing by 150% with 110% output overloading.
• System Flexibility: Offers 12 MPPTs with 32A per tracker and a wide 180–1000V MPPT range.
• Smart Performance: Equipped with I-V curve diagnostics, RS485 comms, and remote serviceability.
• Durability in Design: Aluminium cable connections and robust cooling lower system weight and extend lifetime.

Ideal For

• Large commercial and industrial solar installations.
• Projects requiring scalable, high-output inverters with multiple MPPTs.
• Installations demanding advanced safety and long-term durability.

Technical Specifications Highlights

• Max. AC Output: 125kW (132kVA)
• Efficiency: Up to 99%
• MPPTs: 12 max, 2 strings per MPPT
• Input Voltage Range: 180–1000V
• Cooling: Smart air-cooled
• Certifications: IEC/EN 62109, EN 50549, AS4777.2, VDE4105 and more
• Weight & Size: 87kg, 985 × 660 × 327.5mm

Delivery & Support

This inverter qualifies for free shipping within mainland UK. Pallet delivery may be used for large orders. Professional installation is highly recommended for commercial systems please contact us for installer options and pricing.

Ready to Power Your Project?

• Need commercial PV system design? Contact Evergy for technical consultation.
• Looking for complete kits? Explore our Solar Kits for C&I applications.
• Explore alternatives: See all Three-Phase Inverters.