Huawei SUN2000-40KTL-M3

Huawei SUN2000-40KTL-M3 Three-Phase PV Inverter

The Huawei SUN2000-40KTL-M3 is a high-efficiency grid-tied inverter designed for large commercial PV systems. With a four-MPPT design, outdoor-rated protection, and versatile connectivity, it enables flexible string configurations and reliable energy conversion for outdoor rooftop and ground-mounted installations.

Applications and use cases

This three‑phase PV inverter is optimized for large-scale, grid-connected installations where layout and shading vary. It supports diverse PV designs and rugged outdoor operation, making it well suited for commercial rooftops, carport arrays, and ground-mounted projects that demand dependable, scalable performance.

• High-capacity three-phase grid-tied inverter with rated power around 40 kW and up to 44 kW maximum AC output
• Four independent MPPTs for flexible string layouts and improved energy harvest under shading
• DC side supports eight inputs and up to four strings per MPPT, with a wide DC voltage window
• Outdoor-ready enclosure with IP65 protection for harsh environments
• Easy monitoring and integration via FusionSolar-compatible interfaces, including RS-485 to Smartlogger/Smart Power Sensor and optional Wi‑Fi, Ethernet, or cellular dongle connectivity
• Compact footprint and weight suitable for rooftop and ground-mounted installations

Key electrical and performance parameters

The SUN2000-40KTL-M3 delivers efficient power conversion and flexible operation, supported by a broad DC input range and four MPPTs. It is designed to handle diverse PV configurations while maintaining high energy yield and stable grid interaction.

• Four independent MPPTs to optimize energy harvest from multiple string configurations
• Rated inverter power: 40 kW; maximum AC power up to 44 kW
• DC input: up to 8 inputs, with four strings per MPPT
• DC voltage up to 1100 V maximum; start feed-in around 200 V; MPPT voltage range 200–1000 V
• Nominal AC voltage options: 230 V, 400 V, or 480 V; Maximum AC current about 63.8 A; 50/60 Hz; Power factor 0.8
• Efficiency: up to 98.7% maximum; 98.4% Euro efficiency

Operating conditions and reliability

Built for durability, the SUN2000-40KTL-M3 combines rugged design, protective features, and flexible connectivity to maintain performance in outdoor PV deployments. It supports monitoring and remote management through standard Huawei interfaces and FusionSolar tools.

• Outdoor IP65 protection with natural (passive) cooling for outdoor installations
• Wide operating temperature range from -25 to +60 degrees Celsius and humidity tolerance 0–100%
• Maximum operating altitude up to 4000 meters
• Protection features including anti-islanding (ENS), overcurrent protection, residual-current device (RCD), reverse polarity protection, and surge protection
• Connectivity and diagnosis: RS-485 to Smartlogger/Smart Power Sensor, with optional WLAN, Ethernet, or cellular dongle; LED display for status
• Warranty: 10-year product warranty