Huawei SUN2000-20K-MB0
Official manufacturer global verified Sept. 3, 2026
Identity
| category | inverters |
| ean | UNKNOWN |
| generation | MB0 (three-phase 1100 V DC platform, 200-1000 V MPPT window, two ESS terminals, smart air cooling) |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Huawei |
| manufacturer_legal_entity | UNKNOWN |
| market_version | UNKNOWN |
| model | SUN2000-20K-MB0 |
| mpn | UNKNOWN |
| order_code | UNKNOWN |
| product_family | SUN2000-12/15/17/20/25K-MB0 |
| product_status | active |
| product_status_evidence | Listed as a current product in the solar.huawei.com catalogue at https://solar.huawei.com/en/products/sun2000-12-15-17-20-25k-mb0/ with a live /specs/ page (both fetched 2026-09-03). |
| region | global |
| release_year | UNKNOWN |
| sku | UNKNOWN |
| subcategory | three-phase hybrid inverter with two Smart String ESS terminals (Huawei 'Smart Energy Controller') |
| variant_note | MB0 drops the 'KTL' token used by M1/M5: the model is 'SUN2000-20K-MB0', not 'SUN2000-20KTL-MB0'. It shares the M5 chassis and PV front end but adds a two-terminal Smart String ESS interface that M5 does not have. |
Electrical
| dc_ac_ratio_guidance | UNKNOWN |
| european_efficiency | 98.1% |
| full_power_mppt_voltage_range | 480-800 V |
| max_ac_apparent_power_va | 22000 |
| max_active_power_note | Specs row 'Max. active power (cos phi = 1)' equals max apparent power numerically for every model. |
| max_active_power_w | 22000 |
| max_dc_voltage_v | 1100 |
| max_efficiency | 98.4% |
| max_input_current_per_mppt_a | 30 A (two strings) / 20 A (single string) - conditional on how many strings share the MPPT |
| max_output_current_a | 33.6 A / 380 V AC; 31.9 A / 400 V AC; 30.8 A / 415 V AC |
| max_recommended_pv_power_w | 30000 |
| max_short_circuit_current_per_mppt_a | 40 |
| mppt_voltage_max_v | 1000 |
| mppt_voltage_min_v | 200 |
| nominal_frequency | 50 Hz / 60 Hz |
| nominal_voltage | 220 V AC / 380 V AC, 230 V AC / 400 Vac, 240 V AC / 415 V AC; 3 W/N + PE (three-phase) |
| num_mppt | 2 |
| num_pv_inputs | 4 |
| num_pv_inputs_note | 'Number of MPP trackers 2' and 'Max. number of inputs 4' -> 2 MPPTs with up to 2 strings each on a single unit. |
| oversizing_limits | Recommended max. PV power 30000 Wp against 20000 W rated AC. |
| power_factor_range | 0.8 leading ... 0.8 lagging |
| rated_ac_power_w | 20000 |
| rated_input_voltage_v | 600 |
| rated_output_current_a | 30.4 A / 380 V AC; 28.9 A / 400 V AC; 27.8 A / 415 V AC |
| startup_voltage_v | 200 |
| string_rules | Up to 4 PV strings across 2 MPPTs; per-MPPT ceiling depends on string count. |
| thd | <= 3% |
| voltage_range | UNKNOWN |
Physical / mechanical
| cooling | Smart air cooling (fan-assisted) |
| depth_mm | 228 |
| dimensions_note | 'Dimensions (W x H x D) 546 mm x 460 mm x 228 mm'; 'Weight 21 kg'. |
| enclosure_material | UNKNOWN |
| height_mm | 460 |
| ip_rating | IP66 |
| mounting_type | UNKNOWN |
| noise_db | UNKNOWN (the fetched specs page has no noise row) |
| weight_kg | 21.0 |
| width_mm | 546 |
Installation
| ac_connector | UNKNOWN |
| cable_entry | UNKNOWN |
| dc_connector | UNKNOWN |
| dc_switch | Yes - 'Input-side disconnection device: Yes' |
| mounting | UNKNOWN |
Environment
| altitude_note | 'Max. operating altitude 4000 m (Derated above 2000 m)' |
| max_altitude_m | 4000 |
| operating_temperature | -25 C to +60 C |
| relative_humidity | 0% RH - 100% RH |
Interfaces & connectors
| can | UNKNOWN |
| display | LED indicators |
| dongle_support | Smart Dongle-WLAN-FE (optional); Smart Dongle-4G for 4G/3G/2G (optional); SmartAssistant (optional) |
| ethernet | Optional, via Smart Dongle-WLAN-FE |
| fe | Optional, via Smart Dongle-WLAN-FE |
| fusionsolar_monitoring | Yes - 'LED indicators, Integrated WLAN + FusionSolar APP' |
| local_api_availability | UNKNOWN |
| modbus_rtu | UNKNOWN |
| modbus_tcp | UNKNOWN |
| register_doc_availability | UNKNOWN |
| rs485 | True |
| smartlogger_compatibility | UNKNOWN |
| usb | UNKNOWN |
| wlan | Yes, integrated WLAN |
Protection
| ac_overcurrent_protection | Yes |
| afci | Yes - 'Arc fault protection: Yes' |
| anti_islanding | Yes |
| dc_reverse_polarity_protection | Yes |
| dc_switch | Yes - 'Input-side disconnection device' |
| insulation_monitoring | Yes - 'DC insulation resistance detection: Yes' |
| overvoltage_category | PV II / AC III |
| rcmu | Yes - 'Residual current monitoring unit: Yes' |
| surge_protection | DC surge protection: TYPE II; AC surge protection: Yes, compatible with TYPE II |
Certifications
| grid_standards | ['IEC61727', 'IEC62116', 'IEC61683', 'EN50530', 'ABNT NBR 16149/16150', 'MEA/PEA', 'G99', 'IRR-DCC-MV/IRR-TIC', 'Philippine Grid Code Resolution No. 07', 'NRS 097-2-1', 'EN50549-1', 'VDE4105', 'UTE15-712-1/VFR 2019', 'UNE217002', 'NTS631', 'RD244(UNE217001)', 'PPDS', 'ROGA', 'TOR Erzeuger', 'CEI 0-21:2020-12 V1', 'CEI-016', 'C10/C11', 'EN50549-2', 'VDE4110'] |
| regional_certifications | UNKNOWN |
| safety_standards | ['EN/IEC62109-1', 'EN/IEC62109-2'] |
Warranty & service
| extension_options | UNKNOWN |
| note | No warranty row. The product page meta description mentions a '25-year engineered service life', which is a design-life claim, not a warranty term. |
| standard_warranty | UNKNOWN |
Documents
datasheet
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
SUN2000-12/15/17/20/25K-MB0 Smart Energy Controller datasheet (PDF) — located, not retrieved
rev Version No.: 02-202403 (per search result title; NOT confirmed by fetch)
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Engineered service life (product page meta) | 25-year engineered service life |
| Full-load MPPT voltage range | 480-800V |
| Max. number of paralleled unit (with Smart String ESS) | 3 |
| Number of terminals (Smart String ESS) | 2 |
| Overvoltage category | PV II / AC III |