Knowledge Base › Pv Optimizers
Huawei MERC-1300W-P
Official manufacturer GLOBAL verified Sept. 3, 2026
Identity
| category | pv_optimizers |
| generation | current |
| huawei_page_family_name | MERC-1100/1300W-P |
| manufacturer | Huawei |
| marketing_name | Smart Module Controller / Smart PV Optimizer |
| model | MERC-1300W-P |
| note | Huawei publishes MERC-1100W-P and MERC-1300W-P on one combined datasheet and one combined spec page; only the power-dependent rows differ between them. |
| product_family | MERC |
| region | GLOBAL |
| series_siblings | ['MERC-1100W-P', 'MERC-1300W-P'] |
Electrical
| communication_protocol | UNKNOWN |
| max_efficiency_pct | 99.5 |
| max_input_current_a | UNKNOWN |
| max_input_dc_power_w | 1430 |
| max_input_voltage_v | 125 |
| max_output_current_a | 22 |
| max_output_dc_power_w | 1430 |
| max_output_voltage_v | 80 |
| max_pv_module_power_stc_w | 800 |
| max_short_circuit_current_isc_a | 20 |
| mppt_operating_voltage_range_v | 12.5 - 105 |
| output_bypass | True |
| overvoltage_category | II |
| rated_input_dc_power_w | 1300 |
| rated_output_dc_power_w | 1300 |
| shutdown_output_voltage_per_optimizer_v | 1 |
| weighted_efficiency_pct | 99.0 |
Physical / mechanical
| dimensions_w_h_d_mm | 149 mm x 104 mm x 49 mm |
| input_connector | Staubli MC4 |
| input_wire_length_m | UNKNOWN |
| output_connector | Staubli MC4 |
| output_wire_length_m | UNKNOWN |
| weight_basis | including cables |
| weight_kg | 1.0 |
Installation
| deployment_rule | FULL optimizer configuration only |
| deployment_rule_quote | "*MERC-1100/1300W-P support full optimizer configuration only"; "*Each PV module under the same inverter must be equipped with a MERC -1100/1300W-P." |
| max_dc_power_per_string_w | 20000 |
| max_optimizers_per_string | 25 |
| max_optimizers_per_string_exception | 20 with SUN2000-50KTL-M3 |
| max_optimizers_per_system | UNKNOWN |
| min_optimizers_per_string | 8 |
| mixing_rule | "SUN2000-450W-P2/600W-P, SUN2000-600W-PA0 and MERC-1100/1300W-P can NOT be used in mixture under the same Smart Energy/PV Controller." (quoted from the SUN2000-600W-PA0 spec page) |
| mounting | PV module frame / rack (module-level) |
| supported_module_configurations | One optimizer per PV module. Huawei does not document a two-module-per-optimizer configuration for this family in the sources fetched. |
Environment
| degree_of_protection | IP68 |
| max_operating_altitude_m | UNKNOWN |
| operating_humidity_pct_rh | 0 - 100 |
| operating_temperature_c | -40 to +85 |
Interfaces & connectors
| communication | UNKNOWN (protocol row absent from the MERC datasheet and spec page) |
Protection
| output_bypass_on_failure | UNKNOWN |
| rapid_shutdown | True |
| rapid_shutdown_quote | "A rapid shutdown (RSD) will be activated in an emergency and reduces rooftop high-voltage to 1 V." |
| shutdown_behaviour_quote | "When the MERC -1100/1300W-P is disconnected from inverter or when the inverter is off, its output voltage will be 1 V." |
Certifications
| emc | UNKNOWN |
| fire_safety | UNKNOWN |
| rohs | True |
| safety | IEC62109-1 (class II safety) |
Warranty & service
| note | Warranty period is ABSENT from both the datasheet and the spec page. |
| standard_warranty_years | UNKNOWN |
Documents
user_manual
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
MERC-(1300W, 1100W)-P Smart PV Optimizer User Manual (EDOC1100265210) — located, not retrieved
rev UNKNOWN
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| documented_relationship:inverter_optimizer | {"to_manufacturer": "Huawei", "to_model": "SUN2000-8/10/12/15/17/20KTL-M2, SUN2000-30/36/40KTL-M3, SUN2000-12/15/17/20/23/25KTL-M5, SUN2000-50KTL-M3", "relationship_type": "inverter_optimizer", "match_level": "series", "communication_protocol": "UNKNOWN", "required_firmware": "UNKNOWN", "required_settings": "Full optimizer configuration: every PV module on the inverter must carry a MERC-1100/1300W-P", "required_accessories": "None documented", "region": "Global", "source": "Huawei MERC-1100/1300W-P datasheet and spec page", "source_url": "https://solar.huawei.com/en/products/merc-1100-1300-p/specs/", "source_page": "Compatible inverters row", "confidence": "officially-verified", "status": "COMPATIBLE", "notes": "Recorded verbatim as a compressed series enumeration; NOT expanded to individual models. Max 25 optimizers per string for the listed inverters, 20 for SUN2000-50KTL-M3. Inverters |
| manufacturer_legal_entity_as_printed | UNKNOWN |