Description
Technical specifications
| Manufacturer | Huawei |
|---|---|
| Model | SUN2000-50KTL-M3 |
| Type and role | Three-phase grid-connected PV string inverter |
| Rated AC output | 50 kW |
| Maximum apparent AC power | 55000 VA |
| Maximum active power cosφ=1 | 55000 W |
| Grid voltage | 220/380 V /230/400 V /277/480 V /3L+(N)+PE |
| Grid frequency | 50 /60 Hz |
| Maximum AC current per current manual | 79.8 A /400 V AC |
| Power factor | 0.8 leading…0.8 lagging |
| THD at rated power | <3 % |
| Recommended maximum PV power | 75000 Wp |
| Maximum DC voltage | 1100 V |
| Startup voltage | 200 V |
| MPPT range | 200–1000 V |
| Full-load MPPT range | 530–800 V /400 V AC |
| Rated DC voltage | 600 V /400 V AC |
| MPPT count | 4 |
| PV string count | 8 |
| Strings per MPPT | 2 |
| Current per MPPT | 30 A |
| Single-string current | 20 A |
| Short-circuit current per MPPT | 40 A |
| Maximum efficiency | 98.50 % /400 V AC |
| European efficiency | 98.24 % /400 V AC |
| Ingress protection | IP66 |
| Operating temperature | −25…+60 °C |
| Operating relative humidity | 0–100%, non-condensing |
| Operating altitude | 0–4000 m |
| Storage temperature | −40…+70 °C |
| Net weight | 49 kg |
| Dimensions W × H × D | 640 ×530 ×270 mm |
| Cooling | 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 | SmartLogger3000 /5000B /SmartMGC5000B /Smart Dongle according to design |
| Energy metering | DTSU666-H /HW /YDS60-80 /C24 /DTSU71 /71C /DHSU1079-CT /ZT depending on firmware |
| PV optimizers | Optional compatible single family according to design |
| Supported optimization | MERC-1100W-P /1300W-P /SUN2000-1600W-PB1 |
| 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 | Type II |
| Overvoltage category | PV II /AC III |
| Reference AC breaker | 125 A /≥500 V AC /3-phase |
| DC conductors | 4–6 mm² Cu |
| AC conductors | 25–50 mm² Cu |
| PE conductor | ≥16 mm² Cu |
| RS485 conductors | 0.2–1 mm² /DJYP2VP2-2x2x0.75 outdoor 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 |
| AC aluminum conductors per design | 35–50 mm² Al |
| AC cable outer diameter | 16–38 mm |
| Conductor and core layout design | According to terminal, cable gland and 3L+(N)+PE layout |
| Night consumption per datasheet | ≤5.5 W |
| PV string monitoring | Supported |
| Maximum efficiency at 480 V | 98.71 % |
| European efficiency at 480 V | 98.40 % |
| Rated DC voltage at 480 V AC | 720 V |
| Full-load MPPT at 480 V AC | 625–850 V |
| AC MBUS | Supported in matching system configuration |
Solar generation for rooftops and businesses
Huawei SUN2000-50KTL-M3 is a 50 kW three-phase grid-connected PV inverter for commercial rooftops, business premises and appropriately designed ground-mounted plants. Four independent MPPTs and eight string inputs divide the array according to its electrical and physical layout. IP66 protection suits a fixed outdoor installation.
AC power and energy generation
Rated AC output is 50 kW and maximum apparent power is 55000 VA according to the model specification and selected grid profile. Generation in kWh depends on site, modules, orientation, shading and operating conditions. For a 400 V grid, the current manual lists 98.50% maximum and 98.24% European efficiency.
Four MPPTs and eight strings
Recommended maximum array power is 75000 Wp. Each of four MPPTs serves two strings; this model has a maximum MPPT current of 30 A and 40 A short-circuit current. Startup is at 200 V, the operating range is 200–1000 V and the full-load MPPT range for a 400 V grid is 530–800 V. Strings sharing one MPPT are designed with matching modules and module counts.
Operating environment
The manufacturer specifies −25 to +60°C operation, IP66 protection and operating altitude up to 4000 m. Design considers temperature-dependent output, ventilation and installation clearances. Storage temperature is −40 to +70°C.
Dimensions and cooling
Dimensions are 640 ×530 ×270 mm and this model weighs 49 kg. The 50 kW version uses air cooling. The inverter is secured in a fixed installation with access to service and electrical connection points as specified in the manual.
System configuration
The installation combines correctly sized PV strings, the grid inverter, AC protection, distribution equipment and the utility connection. Metering and control are selected for the project and grid requirements. Where the building also uses storage, its own power and control branch is assessed as a separate part of the energy-system design.
Monitoring and communication
LED indicators and local WLAN with the app support device setup and inspection. RS485 provides communication with the selected logger and metering. The current manual lists SmartLogger3000, SmartLogger5000B or SmartMGC5000B; a suitable Smart Dongle may be selected for the project. Meter model and firmware are matched together.
Protection and optimization
The series supports AFCI, PV-string monitoring, insulation and residual-current monitoring, DC protection and integrated PID recovery. DC and AC surge protection follows Type II specifications. Optional optimization is designed for the supported MERC or SUN2000-1600W-PB1 family, firmware and string rules.
Protection and cable design
The manual gives a reference three-phase 125 A breaker rated at least 500 V AC for this model. Reference copper AC conductors are 25–50 mm²; a suitably designed aluminum option is 35–50 mm². Copper PE is at least 16 mm² and DC input conductors are 4–6 mm². Core count, cable diameter and terminals are checked against the gland and 3L+(N)+PE layout.
Model selection and building demand
The 50 kW version is selected for the array design, grid connection, load profile and generation-control requirements. Four MPPTs help divide electrically distinct array sections. Sizing separately considers power in kW, energy in kWh, string currents and connection capacity.
Offer scope and documentation
The offer covers the exact individual inverter model shown. Modules, metering, logger, protection and other project components are selected for the installation. The public Markdown profile contains model-specific specifications and the appropriate system role. Estimated delivery of 2–3 days is the seller’s estimate.
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Huawei SUN2000-50KTL-M3 — 50 kW three-phase grid inverter. Huawei SUN2000-50KTL-M3 is a 50 kW three-phase grid-connected PV inverter for commercial rooftops, business premises and appropriately designed ground-mounted plants. Four independent MPPTs and eight string inputs divide the array according to its electrical and physical layout. IP66 protection suits a fixed outdoor installation. The installation combines correctly sized PV strings, the grid inverter, AC protection, distribution equipment and the utility connection. Metering and control are selected for the project and grid requirements. Where the building also uses storage, its own power and control branch is assessed as a separate part of the energy-system design.
Manufacturer: Huawei; Model: SUN2000-50KTL-M3; Type and role: Three-phase grid-connected PV string inverter; Rated AC output: 50 kW; Maximum apparent AC power: 55000 VA; Maximum active power cosφ=1: 55000 W; Grid voltage: 220/380 V /230/400 V /277/480 V /3L+(N)+PE; Grid frequency: 50 /60 Hz; Maximum AC current per current manual: 79.8 A /400 V AC; Power factor: 0.8 leading…0.8 lagging; THD at rated power: <3 %; Recommended maximum PV power: 75000 Wp; Maximum DC voltage: 1100 V; Startup voltage: 200 V; MPPT range: 200–1000 V; Full-load MPPT range: 530–800 V /400 V AC; Rated DC voltage: 600 V /400 V AC; MPPT count: 4; PV string count: 8; Strings per MPPT: 2; Current per MPPT: 30 A; Single-string current: 20 A; Short-circuit current per MPPT: 40 A; Maximum efficiency: 98.50 % /400 V AC; European efficiency: 98.24 % /400 V AC; Ingress protection: IP66; Operating temperature: −25…+60 °C; Operating relative humidity: 0–100%, non-condensing; Operating altitude: 0–4000 m; Storage temperature: −40…+70 °C; Net weight: 49 kg; Dimensions W × H × D: 640 ×530 ×270 mm; Cooling: 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: SmartLogger3000 /5000B /SmartMGC5000B /Smart Dongle according to design; Energy metering: DTSU666-H /HW /YDS60-80 /C24 /DTSU71 /71C /DHSU1079-CT /ZT depending on firmware; PV optimizers: Optional compatible single family according to design; Supported optimization: MERC-1100W-P /1300W-P /SUN2000-1600W-PB1 ; 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: Type II; Overvoltage category: PV II /AC III; Reference AC breaker: 125 A /≥500 V AC /3-phase; DC conductors: 4–6 mm² Cu; AC conductors: 25–50 mm² Cu; PE conductor: ≥16 mm² Cu; RS485 conductors: 0.2–1 mm² /DJYP2VP2-2x2x0.75 outdoor 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; AC aluminum conductors per design: 35–50 mm² Al; AC cable outer diameter: 16–38 mm; Conductor and core layout design: According to terminal, cable gland and 3L+(N)+PE layout; Night consumption per datasheet: ≤5.5 W; PV string monitoring: Supported; Maximum efficiency at 480 V: 98.71 %; European efficiency at 480 V: 98.40 %; Rated DC voltage at 480 V AC: 720 V; Full-load MPPT at 480 V AC: 625–850 V; AC MBUS: Supported in matching system configuration. The manual gives a reference three-phase 125 A breaker rated at least 500 V AC for this model. Reference copper AC conductors are 25–50 mm²; a suitably designed aluminum option is 35–50 mm². Copper PE is at least 16 mm² and DC input conductors are 4–6 mm². Core count, cable diameter and terminals are checked against the gland and 3L+(N)+PE layout.
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