Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1
The Huawei SUN2000-L1 is a single-phase residential smart energy controller delivering 2-6kW with up to 98.4% efficiency. Features dual MPPT, battery-ready design compatible with LUNA2000, and intelligent AFCI arc fault protection.
Technical Specifications
| Parameter | SUN2000-2KTL-L1 | SUN2000-3KTL-L1 | SUN2000-3.68KTL-L1 | SUN2000-4KTL-L1 | SUN2000-4.6KTL-L1 | SUN2000-5KTL-L1 | SUN2000-6KTL-L1 |
|---|---|---|---|---|---|---|---|
| DC Input | |||||||
| Max DC Voltage [V] | 600 | ||||||
| Startup Voltage [V] | 100 | ||||||
| MPPT Voltage Range [V] | 90-560 | ||||||
| Max Input Current per MPPT [A] | 12.5 | ||||||
| Max Short-Circuit Current [A] | 18 | ||||||
| No. of MPPTs / Strings per MPPT | 2 / 1 | ||||||
| AC Output | |||||||
| Rated AC Power [W] | 2000 | 3000 | 3680 | 4000 | 4600 | 5000 | 6000 |
| Grid Connection | Single-Phase | ||||||
| Nominal AC Voltage [V] | 220/230/240 | ||||||
| Frequency [Hz] | 50/60 | ||||||
| Max Efficiency [%] | 98.2 | 98.3 | 98.4 | 98.4 | 98.4 | 98.4 | 98.4 |
| European Efficiency [%] | 96.7 | 97.3 | 97.5 | 97.5 | 97.7 | 97.8 | 97.8 |
| Battery (DC) | |||||||
| Compatible Batteries | LUNA2000-5/10/15-S0, LUNA2000-7/14/21-S1 | ||||||
| Operating Voltage [V] | 350-560 | ||||||
| Max Charge Power [W] | 5000 | ||||||
| General Data | |||||||
| Dimensions (W×H×D) [mm] | 365 × 375 × 156 | ||||||
| Weight [kg] | 12.0 | ||||||
| Protection Degree | IP65 | ||||||
| Operating Temperature | -25 °C ~ +60 °C | ||||||
| Cooling | Natural Convection | ||||||
| Communication | RS485, WLAN (built-in), Ethernet/4G via Smart Dongle | ||||||
Note: Specifications are based on the official Huawei datasheet. Values may be subject to change; always verify against the latest manufacturer documentation.
Key Features
98.4% Max Efficiency
Dual MPPT Trackers
Battery-Ready (LUNA2000 Compatible)
Intelligent AFCI Arc Protection
IP65 Natural Convection Cooling
FusionSolar APP Monitoring
Applications & Use Cases
Typical Applications
- Residential solar systems
- Commercial installations
- Industrial solar plants
- Utility-scale projects
- Smart grid integration
Regional Installation Notes (Qatar)
Climate Suitability: Ideal for Qatar's climate with wide operating temperature range and dust-resistant design.
- Sand and dust resistant design
- Wide operating temperature range
- High efficiency in hot conditions
- Long-term warranty
Frequently Asked Questions
Is the SUN2000-L1 battery-ready?
Yes, the SUN2000-L1 series is fully compatible with Huawei LUNA2000-S0 and LUNA2000-S1 battery systems via a DC-coupled connection, with operating voltage range of 350-560V and up to 5kW charge power.
What backup options are available?
The SUN2000-L1 supports whole-home backup when paired with a SmartGuard-63A-S0 backup box and LUNA2000 batteries, with automatic switchover during grid outages.
What is the warranty coverage for the Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1?
The Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 comes with a 10-year product warranty and a 30-year linear power output warranty, ensuring long-term performance and peace of mind.
What certifications does the Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 have?
The Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 is certified to IEC62109, VDE-AR-E 2100-712, meeting international standards for safety, quality, and environmental management.
What model variants are available in the SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 series?
The SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 series includes 7 variants: SUN2000-2KTL-L1, SUN2000-3KTL-L1, SUN2000-3.68KTL-L1, SUN2000-4KTL-L1, SUN2000-4.6KTL-L1, SUN2000-5KTL-L1, SUN2000-6KTL-L1. Each variant offers different power output levels to match specific project requirements.
What are the installation requirements for the Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1?
The Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 is designed for easy installation with standard mounting systems. It operates in temperatures from -40°C to +70°C and features an IP68-rated junction box for outdoor durability.
How does the Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 perform in hot climates?
The Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 features a low temperature coefficient, minimizing power loss in high-temperature conditions. This makes it ideal for installations in hot regions like the Middle East, North Africa, and Southern Europe.
What are the dimensions and weight of the Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1?
The Huawei SUN2000-2/3/3.68/4/4.6/5/6KTL-L1 measures 365 × 375 × 156. Its compact design allows for efficient use of available roof or ground area.