Knowledge Base › Pv Optimizers
Huawei SUN2000-450W-P2
Official manufacturer GLOBAL verified Sept. 20, 2026
Unresolved safety-relevant conflict
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Identity
| category | pv_optimizers |
| generation | previous generation (still listed on solar.huawei.com) |
| manufacturer | Huawei |
| marketing_name | Smart Module Controller / Smart PV Optimizer |
| model | SUN2000-450W-P2 |
| note | Huawei publishes SUN2000-450W-P2 and SUN2000-600W-P on one combined datasheet and spec page. |
| product_family | SUN2000-P |
| product_status | active |
| region | GLOBAL |
| series_siblings | ['SUN2000-450W-P2', 'SUN2000-600W-P'] |
Electrical
| communication_protocol | MBUS |
| max_efficiency_pct | 99.5 |
| max_input_current_a | — |
| max_input_dc_power_w | — |
| max_input_voltage_label | Absolute max. input voltage |
| max_input_voltage_v | 80 |
| max_output_current_a | 15 |
| max_output_voltage_v | 80 |
| max_pv_module_power_rule_quote | "*1: The maximum power of PV module at STC shall NOT exceed the 'Rated Input DC Power' of the power optimizer." |
| max_pv_module_power_stc_w | 450 |
| max_short_circuit_current_isc_a | 14.5 |
| mppt_operating_voltage_range_v | 10 - 80 |
| official_manual_url |
https://support.huawei.com/enterprise/en/doc/EDOC1100218890
SUN2000-(600W-P, 450W-P2) Smart PV Optimizer Quick ... — search-index listing (query: SUN2000-450W-P optimizer user manual quick guide); document located, not fetched
|
| official_product_url |
https://solar.huawei.com/en/products/SUN2000-450W-P2-600W-P/specs/
SUN2000-450W-P2-600W-P Specs (product spec page) — inventory record source_url
|
| output_bypass | True |
| output_impedance_during_standby | 1 kΩ ± 10% |
| output_voltage_during_standby_v | 0 |
| overvoltage_category | II |
| rated_input_dc_power_w | 450 |
| weighted_efficiency_pct | 99.0 |
Physical / mechanical
| dimensions_w_h_d_mm | 75 mm x 140 mm x 28 mm (3.0 in. x 5.5 in. x 1.1 in.) |
| input_connector | Staubli MC4 |
| input_wire_length_m | 0.15 |
| output_connector | Staubli MC4 |
| output_wire_length_m | 1.3 |
| weight_basis | including cables |
| weight_kg | 0.6 |
Installation
| deployment_rule | — |
| deployment_rule_note | No 'full optimizer configuration only' statement was found for this family in the fetched sources. Whether partial/selective deployment is supported is NOT_DOCUMENTED here; do not infer it. |
| max_optimizers_per_system | — |
| mixing_rule_quote | "*6 SUN2000-450W-P2/600W-P and MERC-1100/1300W-P can NOT be used in mixture under the same Smart Energy / PV Controller" |
| string_design_by_inverter | [{'inverter': 'SUN2000-2~6KTL-L1', 'min_optimizers_per_string': 4, 'max_optimizers_per_string': 25, 'max_dc_power_per_string_w': 6000}, {'inverter': 'SUN5000-8/12K-MAP0', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 35, 'max_dc_power_per_string_w': 12000}, {'inverter': 'SUN2000-3~10KTL-M1', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 35, 'max_dc_power_per_string_w': 12000}, {'inverter': 'SUN2000-5/6/8/10/12K-MAP0', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 35, 'max_dc_power_per_string_w': 12000}, {'inverter': 'SUN2000-12~25KTL-M5', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 35, 'max_dc_power_per_string_w': 12000}, {'inverter': 'SUN2000-12~25K-MB0', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 35, 'max_dc_power_per_string_w': 12000}, {'inverter': 'SUN2000-30K/36K/40K-M3', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 25, 'max_dc_power_per_string_w': 12000}, {'inverter': 'SUN5000-17/25K-MB0', 'min_optimizers_per_string': 6, 'max_optimizers_per_string': 35, 'max_dc_power_per_string_w': 12000}] |
Environment
| degree_of_protection | IP68 |
| max_operating_altitude_m | — |
| operating_humidity_pct_rh | 0 - 100 |
| operating_temperature_c | -40 to +85 |
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
Interfaces & connectors
| communication | MBUS (power line communication over the PV string) |
Protection
| note | This generation shuts down to 0 V with a 1 kΩ output impedance, unlike the MERC family which holds 1 V. Do not carry either figure across families. |
| rapid_shutdown | — |
| shutdown_output_impedance | 1 kΩ ± 10% |
| shutdown_output_voltage_v | 0 |
Certifications
| emc | — |
| fire_safety | VDE-AR-E 2100-712:2018-12 |
| rohs | True |
| safety | IEC62109-1 (class II safety) |
Warranty & service
| standard_warranty_years | — |
Documents
Recorded conflicts
max_dc_power_per_string_w Review required
{'SUN2000-3~10KTL-M1': 12000} —
{'SUN2000-3-10KTL-M1': 10000} —
minimum_optimizers_per_string Review required
{'SUN2000-2~6KTL-L1': 4, 'SUN2000-3~10KTL-M1': 6, 'SUN2000-12~20KTL-M2/12~25KTL-M5': 6, 'SUN2000-30~40KTL-M3': 6} —
{'SUN2000-2-6KTL-L1': 6, 'SUN2000-3-10KTL-M1': 4, 'SUN2000-12-20KTL-M2': 6, 'SUN2000-30-40KTL-M3': 6} —
documented_relationships (compatible inverter list) Review required
SUN2000-2~6KTL-L1, SUN5000-8/12K-MAP0, SUN2000-3~10KTL-M1, SUN2000-5/6/8/10/12K-MAP0, SUN2000-12~25KTL-M5, SUN2000-12~25K-MB0, SUN2000-30K/36K/40K-M3, SUN5000-17/25K-MB0 — https://solar.huawei.com/en/products/SUN2000-450W-P2-600W-P/specs/ (current spec page, PV System Design table)
SUN2000-2/3/3.68/4/4.6/5/6KTL-L1, SUN2000-3/4/5/6/8/10KTL-M1, SUN2000-12/15/17/20KTL-M2, SUN2000-30/36/40KTL-M3 — https://solar.huawei.com/-/media/Solar/attachment/pdf/apac/datasheet/P2%20Datasheet/SUN2000-450W-P2%20%20600W-P%20Datasheet.pdf
installation.string_design_by_inverter (SUN2000-3~10KTL-M1) Review required
min 6 / max 35 / 12,000 W per string — https://solar.huawei.com/en/products/SUN2000-450W-P2-600W-P/specs/ (current spec page)
min 4 / max 35 / 10,000 W per string — https://solar.huawei.com/-/media/Solar/datasheet/SUN2000450WP2SUN2000600WP.pdf (version 2022.07.12)
installation.string_design_by_inverter (SUN2000-2~6KTL-L1) Review required
min 4 / max 25 / 6,000 W per string — https://solar.huawei.com/en/products/SUN2000-450W-P2-600W-P/specs/ (current spec page)
min 6 / max 25 / 6,000 W per string — https://solar.huawei.com/-/media/Solar/datasheet/SUN2000450WP2SUN2000600WP.pdf (version 2022.07.12)
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| documented_relationship:inverter_optimizer | {"to_manufacturer": "Huawei", "to_model": "SUN2000-2/3/3.68/4/4.6/5/6KTL-L1, SUN2000-3/4/5/6/8/10KTL-M1, SUN2000-12/15/17/20KTL-M2, SUN2000-30/36/40KTL-M3", "relationship_type": "inverter_optimizer", "match_level": "series", "communication_protocol": "MBUS", "required_firmware": "UNKNOWN", "required_settings": "See PDF PV System Design table", "required_accessories": "None documented", "region": "APAC / Global", "source": "Huawei SUN2000-450W-P2 & 600W-P datasheet (PDF)", "source_url": "https://solar.huawei.com/-/media/Solar/attachment/pdf/apac/datasheet/P2%20Datasheet/SUN2000-450W-P2%20%20600W-P%20Datasheet.pdf", "source_page": "Compatible inverter models", "confidence": "officially-verified", "status": "COMPATIBLE", "notes": "Older PDF list, retained alongside the current spec-page list because the two disagree. Includes SUN2000-12/15/17/20KTL-M2 which the current page omits."} |
| image_enrichment_pass | 2026-09-11 |
| manufacturer_legal_entity_as_printed | UNKNOWN |