Residential inverters

Turn rooftop PV into safe, stable AC power, and get the control foundation for self-consumption, monitoring, and backup-ready setups.

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For homes & small buildings

What residential inverters do

Residential inverters convert PV DC into household AC and act as the “brain” of your home solar system, optimizing generation, enabling monitoring, and supporting safety protections like AI-powered arc detection on supported models.

inverters

Residential inverters

SUN2000-2/3/3.68/4/4.6/5/6KTL-L1

Huawei SUN2000-2–6KTL-L1 is a compact single-phase residential string inverter (2–6 kW range) designed for high-yield PV conversion with 2 MPPTs and up to 98.4% max efficiency. It’s battery-ready (supports Huawei LUNA2000 ESS and compatible LG RESU options), works with optimizer integration for improved energy harvest, and includes built-in arc-fault protection plus Type II DC/AC surge protection. For day-to-day operation it offers IP65 outdoor protection, low night consumption, and integrated WLAN / FusionSolar app monitoring for quick visibility and maintenance.Specifications:

  • AI Powered Active Arcing Protection
  • Compatible with SUN2000-450W-P2/SUN2000-600W-P
  • 5KW AC Output plus 5KW Battery Charge
SUN2000-2/3/3.68/4/4.6/5/6KTL-L1

SUN2000-3-10KTL-M1

Huawei SUN2000-3–10KTL-M1 is a three-phase smart energy controller for residential and small C&I PV systems (3–10 kW range), built for high-efficiency conversion (up to 98.6% max efficiency) with 2 MPPTs. It’s battery-ready for Huawei Smart String ESS (5–30 kWh), supports optimizer integration for higher yields, and includes arc-fault protection plus integrated PID recovery to help maintain long-term performance. With IP65 protection, fanless cooling, and integrated WLAN + FusionSolar app monitoring (plus optional Smart Dongles), it’s designed for reliable outdoor operation and scalable connectivity.Specifications:

  • AI powered arcing protection
  • Compatible with SUN2000-450W-P2/SUN2000-600W-P
  • Battery ready by direct Plug & Play
SUN2000-3-10KTL-M1

SUN2000-12/15/17/20KTL-M2

Huawei SUN2000-12–20KTL-M2 is a three-phase smart PV controller (12–20 kW) for larger residential and small commercial solar systems, delivering up to 98.65% max efficiency with 2 MPPTs (2 inputs per MPPT) for flexible string design. It includes arc-fault protection, integrated PID recovery, and Type II DC surge protection, plus integrated WLAN / FusionSolar App monitoring (with optional Smart Dongles for Ethernet/4G). Built for outdoor use with IP65 protection and natural convection cooling, and it supports SUN2000-450W-P optimizers for enhanced performance on complex sites.Specifications:

  • AI powered arcing protection
  • Compatible with SUN2000-450W-P2/SUN2000-600W-P Optimizers
  • Inverter with no quick wear parts, failure rate < 0.5%
SUN2000-12/15/17/20KTL-M2

Smart PV Optimizer

Huawei SUN2000-450W-P is a smart PV optimizer (450 W rated input) that attaches at module level to improve energy harvest and visibility—especially on complex rooftops with shading or mixed orientations. It supports very high efficiency (up to 99.5%), includes bypass behavior for continuity if an optimizer fails, and delivers 0 V shutdown output when disconnected or when the inverter is off for safer servicing. Built for harsh outdoor conditions with IP68 protection, it’s compatible with multiple Huawei inverter families and supports fast commissioning features like quick pairing and module auto-mapping.Specifications:

  • Module level optimization
  • Safe voltage rapid shutdown
  • Module level monitoring < 5s Auto mapping
Smart PV Optimizer

Backup Box

Huawei Backup Box (B0 / B1) is an automatic backup power switching unit for Huawei residential PV + storage setups, designed to detect grid outage and switch to backup mode in <3 seconds. It works with SUN2000-L1 (2–6KTL) and SUN2000-M1 (3–10KTL) inverter families, provides single-phase backup output, and is built for outdoor installation with IP65 protection and a -20°C to +45°C operating range.Specifications:

  • Automatic detection & switchover
  • Provide Reliable backup power
Backup Box

Smart Dongle-WLAN-FE/4G

Huawei Smart Dongle-WLAN-FE (SDongleA-05) is a plug-and-play communication module that connects Huawei SUN2000 inverters to monitoring platforms via Wi-Fi (2.4 GHz) or Fast Ethernet (10/100M). It supports up to 10 inverters/devices through one dongle, enables local commissioning via WLAN, and can be bound to FusionSolar SmartPVMS or a 3rd-party monitoring system. Built for outdoor use with IP65 protection, it also supports auto reconnection, operates from -30°C to +65°C, and draws about 2.5 W typical.Specifications:

  • Plug & Play connection to inverter
  • 4G communication via Smart Dongle-4G
  • Support max 10 inverters communication
  • WLAN/Fast Ethernet communication via Smart Dongle-FE
Smart Dongle-WLAN-FE/4G

Smart Power Sensor

Huawei Smart Power Sensor (DDSU666-H / DTSU666-H) is a DIN-rail energy meter for PV systems that measures voltage, current, power, energy, and frequency with Class 1 accuracy (Voltage ±0.5%, Current/Power/Energy ±1%). It connects to inverters and monitoring via RS485 (Modbus-RTU, 9600 bps), includes an LCD for quick checks/settings, and is designed to be efficient with ≤1 W power consumption. CT accessories are available for different current ranges, making it suitable for both single-phase and three-phase installations.Specifications:

  • accuracy > class 1 with full temperature range
  • Power export limitation control
  • Power consumption ≤ 1 W
Smart Power Sensor

FusionSolar Smart PV Management System

Specifications:

  • Easy & Intuitive Monitoring by Web and App.
  • Site creation by scanning devices in the system.
  • Visual system energy flow and module performance.
  • Smart I-V Curve Diagnosis
FusionSolar Smart PV Management System
Why Inverters

Key benefits

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Use more of your own solar

Convert PV efficiently and prioritize self-consumption for day-to-day loads.

Safer home operation

AI-powered arcing protection helps reduce electrical risk on supported models.

Monitoring you can trust

Track production and system status through supported monitoring components and platforms.

Ready for future upgrades

Expandable ecosystem compatibility (e.g., optimizers) supports evolving system needs.
Process

How it works in practice

Generate

PV modules generate DC power throughout the day based on solar irradiance. Output varies with weather, temperature, and shading, so production naturally fluctuates.

Convert & protect

The inverter converts DC → AC for household or grid use and continuously manages conversion efficiency. It also applies protection and control functions to keep operation stable and safe.

Monitor & optimise

Use monitoring to track production, detect abnormal behaviour early, and understand performance trends over time. This helps reduce downtime, improve yield, and simplify troubleshooting.
Why solar inverters

Key capabilities at a glance

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AI arcing protection

Built to detect and respond to arc fault risk in supported series, helping reduce fire hazards and improve electrical safety. Supports safer operation across everyday and peak-load conditions.

High efficiency conversion

Up to 98.4% max efficiency (model-dependent) to maximise usable energy from PV generation. Higher conversion efficiency supports better yields, especially over long operating periods.

Dual MPPT architecture

2 MPPTs help the inverter handle different roof orientations, partial shading, and uneven module performance. This keeps production closer to optimal when strings operate under different conditions.

Optimizer compatibility

Works with supported optimizer families for module-level enhancement and better performance in complex layouts. Helps improve yield visibility and makes it easier to manage underperforming modules.