SolaX X3 Pro String (Three Phase) Inverter Range

SolaX X3 Pro String (Three Phase) Inverter Range

The SolaX X3 Pro series is a high-performance three-phase string inverter range for residential, commercial, and light industrial solar PV systems. With advanced safety, high efficiency, and flexible power options from 8kW to 30kW, these inverters are designed for reliable, future-ready energy solutions.

Key Features

• Available sizes: 10kW, 12kW, 15kW, 17kW, 20kW, 25kW, 30kW
• Up to 98.5% maximum efficiency
• 150% DC oversizing and 110% AC overloading capability
• Dual or triple MPPTs (model dependent) for flexible string design
• Ultra-wide MPPT voltage range (typically 160–980V; up to 1100V on some models)
• Max. input current: up to 32A per MPPT
• Built-in export power control and global MPP scan
• Low start-up voltage for early morning and low-light performance
• Type II SPD on both AC & DC sides for enhanced protection
• AFCI support (optional, model dependent) for arc fault protection
• IP66 rated for indoor or outdoor installation
• Fanless, natural cooling for silent operation
• Remote monitoring via WiFi, LAN, or 4G (24/7 monitoring capability)
• Smart load management (supports heat pumps, EV chargers, etc.)
• Night-time consumption as low as 1–5W
• 10-year warranty

Model Range & Typical Specifications

• X3 Pro 8kW–20kW: Dual MPPT, max. PV input voltage up to 1100V, max. efficiency up to 98.5%, max. output current up to 32A per MPPT
• X3 Pro 25kW–30kW: Dual or triple MPPT, max. PV input voltage up to 1100V, max. efficiency up to 98.5%, max. output current up to 32A per MPPT
• X3 Pro 30kW: Triple MPPT, max. DC input power up to 45,000W, max. output power 30,000W, max. efficiency up to 98.5%

Applications

• Commercial and industrial solar PV systems
• Large residential projects
• Sites requiring flexible string design and high power density
• Installations needing export limitation or smart load management

Please note: Delivery times may vary depending on location, with specific details outlined below.

Standard Delivery

UK Mainland 

• Delivery Time: 2–4 working days
• Free Delivery on all orders

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Delivery fee of £15

Channel Islands

• Postcodes Covered: GY*, IM*, JE* 
• Minimum Order: £50
• Delivery Fee: £70

Northern Ireland, Offshore Territories & Scottish Islands 

• Postcodes Covered: BT*, HS*, KW, ZE
• Minimum Order: £50
• Delivery Fee: £35

Same Day Delivery 

• Eligible Postcodes:
  E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW*
• Minimum Order: £50
• Same Day Delivery Fee: £60
• Special Requests or Locations:
  For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.

Collections

Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.

Collection address: 284 Water Rd, Unit 9, London, HA0 1HX