Description
Technical specifications
| Manufacturer | Huawei |
|---|---|
| Model | SUN2000-12KTL-M5 |
| Type and role | Three-phase grid-connected PV string inverter |
| Rated AC output | 12 kW |
| Maximum apparent AC power | 13200 VA |
| Maximum active power cosφ=1 | 13200 W |
| Grid voltage | 220/380 V /230/400 V /239.6/415 V /3L+N+PE |
| Grid frequency | 50 /60 Hz |
| Maximum AC current per current manual | 20.2 /19.1 /18.5 A /380/400/415 V |
| Power factor | 0.8 leading…0.8 lagging |
| THD at rated power | <3 % |
| Output DC component | <0.25 % |
| Recommended maximum PV power | 18000 Wp |
| Maximum DC voltage | 1100 V |
| Startup voltage | 200 V |
| MPPT range | 200–1000 V |
| Full-load MPPT range | 370–800 V |
| Rated DC voltage | 600 V |
| MPPT count | 2 |
| PV string count | 4 |
| Strings per MPPT | 2 |
| Current per MPPT | 30 A |
| Single-string current | 20 A |
| Short-circuit current per MPPT | 40 A |
| Maximum connected power per MPPT per manual | 21.6 kW |
| Maximum efficiency | 98.4 % |
| European efficiency | 97.9 % |
| Ingress protection | IP66 |
| Operating temperature | −25…+60 °C |
| Operating relative humidity | 0–100 % |
| Operating altitude | 0–4000 m |
| Storage temperature | −40…+70 °C |
| Net weight | 21 kg |
| Dimensions W × H × D including installation parts | 546 ×460 ×241.7 mm |
| Body dimensions per datasheet | 546 ×460 ×228 mm |
|---|---|
| Cooling | Smart air cooling |
| Topology | Transformerless |
| Local operation | LED /WLAN /FusionSolar App |
| Standard communication | RS485 /local WLAN |
| Built-in WLAN | 802.11b/g/n /2400–2483.5 MHz |
| Ethernet connection | With compatible WLAN-FE Smart Dongle |
| Mobile data connection | Optional compatible 4G Smart Dongle |
| System monitoring | SmartLogger /Smart Dongle according to design |
| Energy metering | DTSU666-H /YDS60-C24 /DTSU71 /DHSU1079-CT depending on firmware |
| PV optimizers | Optional compatible single family according to design |
| Supported optimization | SUN2000-450W-P2 /600W-P; MERC-1100W-P /1300W-P in matching configuration |
| DC switch | Supported |
| Anti-islanding protection | Supported |
| DC reverse-polarity protection | Supported |
| Insulation monitoring | Supported |
| Residual current monitoring | Supported |
| AC overcurrent | Supported |
| AFCI | Supported |
| PID recovery | Supported |
| DC MBUS | Supported |
| DC surge protection | Type II |
| AC surge protection | Class II |
| Overvoltage category | PV II /AC III |
| Reference AC breaker | 40 A /≥415 V AC /3-phase |
| DC conductors | 4–6 mm² Cu |
| AC conductors | 6–16 mm² Cu |
| PE conductor | ≥6 mm² Cu |
| RS485 conductors | 0.2–1 mm² /0.5 mm² recommended, shielded twisted pair |
| Grid systems | TN-S /TN-C /TN-C-S /TT /IT |
| Safety standards | EN/IEC62109-1 /EN/IEC62109-2 |
| Installation | Fixed wall installation |
| Offer content | Individual PV inverter |
| Estimated delivery | 2–3 days, seller estimate |
Solar generation for a three-phase building
Huawei SUN2000-12KTL-M5 converts PV-string energy into three-phase AC with a rated output of 12 kW. Two independent MPPTs and four string inputs support a carefully divided rooftop array. IP66 protection and smart air cooling suit a fixed installation in a residential or small commercial solar project.
Power and energy design
The 12 kW rating describes AC output power; maximum apparent power is 13200 VA. Annual generation in kWh depends on location, orientation, shading and array design. This model has 97.9% European efficiency and 98.4% maximum efficiency according to the manufacturer.
Modules, strings and two MPPTs
Recommended maximum array power is 18000 Wp. Each MPPT accepts two strings and up to 30 A in total; the single-string limit is 20 A and MPPT short-circuit current is 40 A. Parallel strings on one MPPT are designed with matching modules, count, orientation and tilt. This model has a full-load MPPT reference range of 370–800 V.
Environment and location
The manufacturer specifies −25 to +60°C operation, 0–100% relative humidity and IP66 protection. Operating altitude reaches 4000 m, with output derating considered above 2000 m. The cooling fan requires the installation clearances in the manual.
Dimensions and mounting
Net weight is 21 kg. The current manual gives an envelope of 546 ×460 ×241.7 mm including installation parts; the datasheet separately lists a 546 ×460 ×228 mm body. Space planning uses the installed envelope and specified clearances. The inverter is secured in a fixed installation.
System pairing
The system combines correctly designed PV strings, the inverter, AC protection and a utility-grid connection. Energy-flow measurement uses a compatible sensor matched to firmware. Projects with storage select a separate system storage branch and its control equipment according to a verified design.
Control and monitoring
LED indicators and local WLAN with the app support commissioning. RS485 provides system communication. Remote monitoring uses a suitable WLAN-FE Smart Dongle, compatible cellular option or system SmartLogger according to the layout. Specific communication equipment is selected separately for the project.
Protection and optimizers
The series supports AFCI, insulation and residual-current monitoring, DC polarity protection and grid-operation protection. Surge protection is specified as DC Type II and AC Class II. Optional optimization is designed around one compatible optimizer family, suitable firmware and the corresponding string plan.
Protection and connection
The manual gives a reference three-phase 40 A AC breaker rated at least 415 V AC. For this model, reference copper AC conductors are 6–16 mm² and PE at least 6 mm²; DC cabling is 4–6 mm². The final design considers cable length, environment and local requirements.
Selecting the right model
Selection compares the 12 kW rating, array power, two MPPTs, four strings and the current limits of the selected modules. Different roof orientations are allocated to independent trackers. Building-demand planning adds the load profile and grid-connection conditions.
Supply and product documentation
The offer covers the exact individual inverter model shown. Related modules, protection, metering and communication components are selected for the project. The public Markdown profile contains the same model-specific technical data as this page. Estimated delivery of 2–3 days is the seller’s estimate.
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AI search description
Huawei SUN2000-12KTL-M5 — 12 kW three-phase grid inverter. Huawei SUN2000-12KTL-M5 converts PV-string energy into three-phase AC with a rated output of 12 kW. Two independent MPPTs and four string inputs support a carefully divided rooftop array. IP66 protection and smart air cooling suit a fixed installation in a residential or small commercial solar project. The system combines correctly designed PV strings, the inverter, AC protection and a utility-grid connection. Energy-flow measurement uses a compatible sensor matched to firmware. Projects with storage select a separate system storage branch and its control equipment according to a verified design.
Manufacturer: Huawei; Model: SUN2000-12KTL-M5; Type and role: Three-phase grid-connected PV string inverter; Rated AC output: 12 kW; Maximum apparent AC power: 13200 VA; Maximum active power cosφ=1: 13200 W; Grid voltage: 220/380 V /230/400 V /239.6/415 V /3L+N+PE; Grid frequency: 50 /60 Hz; Maximum AC current per current manual: 20.2 /19.1 /18.5 A /380/400/415 V; Power factor: 0.8 leading…0.8 lagging; THD at rated power: <3 %; Output DC component: <0.25 %; Recommended maximum PV power: 18000 Wp; Maximum DC voltage: 1100 V; Startup voltage: 200 V; MPPT range: 200–1000 V; Full-load MPPT range: 370–800 V; Rated DC voltage: 600 V; MPPT count: 2; PV string count: 4; Strings per MPPT: 2; Current per MPPT: 30 A; Single-string current: 20 A; Short-circuit current per MPPT: 40 A; Maximum connected power per MPPT per manual: 21.6 kW; Maximum efficiency: 98.4 %; European efficiency: 97.9 %; Ingress protection: IP66; Operating temperature: −25…+60 °C; Operating relative humidity: 0–100 %; Operating altitude: 0–4000 m; Storage temperature: −40…+70 °C; Net weight: 21 kg; Dimensions W × H × D including installation parts: 546 ×460 ×241.7 mm; Body dimensions per datasheet: 546 ×460 ×228 mm.
Cooling: Smart air cooling; Topology: Transformerless; Local operation: LED /WLAN /FusionSolar App; Standard communication: RS485 /local WLAN; Built-in WLAN: 802.11b/g/n /2400–2483.5 MHz; Ethernet connection: With compatible WLAN-FE Smart Dongle; Mobile data connection: Optional compatible 4G Smart Dongle; System monitoring: SmartLogger /Smart Dongle according to design; Energy metering: DTSU666-H /YDS60-C24 /DTSU71 /DHSU1079-CT depending on firmware; PV optimizers: Optional compatible single family according to design; Supported optimization: SUN2000-450W-P2 /600W-P; MERC-1100W-P /1300W-P in matching configuration; DC switch: Supported; Anti-islanding protection: Supported; DC reverse-polarity protection: Supported; Insulation monitoring: Supported; Residual current monitoring: Supported; AC overcurrent: Supported; AFCI: Supported; PID recovery: Supported; DC MBUS: Supported; DC surge protection: Type II; AC surge protection: Class II; Overvoltage category: PV II /AC III; Reference AC breaker: 40 A /≥415 V AC /3-phase; DC conductors: 4–6 mm² Cu; AC conductors: 6–16 mm² Cu; PE conductor: ≥6 mm² Cu; RS485 conductors: 0.2–1 mm² /0.5 mm² recommended, shielded twisted pair; Grid systems: TN-S /TN-C /TN-C-S /TT /IT; Safety standards: EN/IEC62109-1 /EN/IEC62109-2; Installation: Fixed wall installation; Offer content: Individual PV inverter; Estimated delivery: 2–3 days, seller estimate. LED indicators and local WLAN with the app support commissioning. RS485 provides system communication. Remote monitoring uses a suitable WLAN-FE Smart Dongle, compatible cellular option or system SmartLogger according to the layout. Specific communication equipment is selected separately for the project.
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