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25 products from all current packages
Models built to scale from the manufacturer installation manuals
Every value sourced to a datasheet or manual

W x H x D: 546 x 460 x 241.7 mm
Weight: 21 kg

Huawei

Huawei SUN2000-20K-MB0

Installed by Free State AG

Three-phase hybrid inverter rated 20 kW AC, used in the SolarAbo L package together with AIKO Neostar 3P54 modules and a Huawei LUNA2000 battery. It takes four PV strings across two MPP trackers and has two separate battery terminals on a 600 to 980 V DC port, so larger roofs and larger storage stacks run on one unit, and arc fault detection (AFCI) is built in. Unlike the smaller MAP0 models it uses fan-assisted air cooling and is rated below 50 dB, so the mounting position matters more, and the Swiss grid code SWITZERLAND-NA/EEA:2020-LV230 is selectable in the inverter.

Rated AC power (grid): 20 kW
Max. efficiency: 98.4 %
MPP trackers: 2
Max. battery charging power: 21 kW with one string, 25 kW with two strings

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Technical datasheet (PDF)

Technical data

All figures for the Huawei SUN2000-20K-MB0 from the manufacturer datasheet and manual

Open datasheet (PDF)

Power

Rated AC power (grid): 20 kW
Max. apparent power (grid): 22 kW
Max. apparent power: 22 kVA
Recommended max. PV power: 30000 Wp
Max. efficiency: 98.4 %
European efficiency: 98.1 %

Electrical

MPP trackers: 2
Max. input current per MPP tracker: 30 A with two strings, 20 A with a single string
Max. short-circuit current per MPPT: 40 A
Max. number of PV inputs: 4
MPPT operating voltage range: 200 to 1000 V
Max. DC input voltage: 1100 V

Battery

Battery DC inputs: Yes, two battery terminals, 600 to 980 V DC, max. 26.25 A per string, Li-ion. Compatible batteries LUNA2000-5/10/15-S0 and LUNA2000-7/14/21-S1, up to four batteries (two per terminal)
Battery control interface: RS485 from the inverter COM port, directly between inverter and battery
Max. battery charging power: 21 kW with one string, 25 kW with two strings
Max. battery discharging power: 22 kW

Grid

Phases: Three-phase, 3W/N+PE
Rated grid voltage: 220/380, 230/400, 240/415 V AC
Rated grid frequency: 50 / 60 Hz
Rated output current at 400 V: 28.9 A
Max. output current (at 380 / 400 / 415 V): 31.9 A
Power factor range: 0.8 leading to 0.8 lagging

Connectivity

Communication: Built-in WLAN 802.11b/g/n, RS485, DC MBUS. WLAN or Ethernet via the optional SDongleA-05, 4G via the optional SDongleB-06
Energy management device: EMMA-A01 and EMMA-A02 supported (manual Issue 09). The current manual calls the same role SmartAssistant and gives no model number

Mechanical

Ingress protection: IP66
Overvoltage category: PV II / AC III
Surge protection: DC TYPE II, AC compatible with TYPE II protection class per EN/IEC 61643-11
Cooling: Smart air cooling, fan assisted
Noise emission: 50 dB
Operating temperature range: -25 to +60 °C

Warranty

Manufacturer warranty: 10 years

Certifications: EN/IEC 62109-1, EN/IEC 62109-2, EN 50549-1, EN 50549-2, VDE-AR-N 4105, VDE-AR-N 4110, IEC 61727, IEC 62116, IEC 61683, EN 50530, CEI 0-21:2020-12 V1, CEI 0-16, C10/C11, EN/IEC 61643-11 TYPE II compatible surge protection, UL 1699B-2018 (arc fault detection)

Source: manufacturer datasheet and installation manual, as of September 2026. Subject to change, the manufacturer documents prevail.

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Huawei SUN2000-20K-MB0 as shown by the manufacturer

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