The SolaX X1 String Inverter series offers reliable, high-efficiency solutions for residential solar PV systems. Available in a wide range of power ratings, these string inverters combine compact design, advanced safety features, and flexible installation options to suit both small and large domestic projects.

Key Features

• 150% DC oversizing and 110% AC overloading capability
• Wide MPPT voltage range for maximum energy harvesting
• Low start-up voltage (as low as 45V on Mini, 50V on Boost/Smart)
• Max. DC input current: up to 16A per MPPT (model dependent)
• Dual MPPTs on Boost and Smart models for flexible string design
• Built-in Type II/III SPD (AC & DC) for enhanced protection
• IP66 protection for indoor or outdoor installation
• Fanless, natural cooling for silent operation
• Remote monitoring and maintenance via WiFi/App (dongle optional on some models)
• Export limitation and zero injection support (CT/Meter compatible)
• Comprehensive safety features: over/under voltage, DC isolation, ground fault, anti-islanding, over temperature, and more
• Lightweight, compact design for easy installation
• Warranty: 5–10 years (model dependent)

Model Range & Typical Specifications of String Inverter

• X1-Mini: 1.1kW–2.0kW, single MPPT, max. input voltage 450V, max. efficiency 98%, compact size (e.g. 1.1kW: 267 × 328 × 126 mm, 8.3 kg)
• X1-Boost G4: 2.5kW–6.0kW, dual MPPT, max. input voltage 600V, max. input current 16A per MPPT, max. efficiency 98%, IP66
• X1-Smart: 3.0kW–8.0kW, dual MPPT, max. input voltage 600V, max. input current 14A/28A, max. efficiency up to 97.8%, remote upgrade and maintenance

String Inverter Applications

• Residential solar PV systems (small to large)
• Properties with limited installation space (Mini models)
• Flexible string design for complex rooftops (Boost/Smart models)
• Installations requiring export limitation or zero injection