Sungrow SG12RT-P2
Official manufacturer EU / GL verified Sept. 3, 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 | inverters |
| ean | UNKNOWN |
| generation | RT-P2 (2nd generation of the RT platform) |
| grid_type | TN / TT |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Sungrow |
| manufacturer_legal_entity | Sungrow Power Supply Co., Ltd. |
| market_version | UNKNOWN |
| model | SG12RT-P2 |
| mpn | UNKNOWN |
| order_code | UNKNOWN |
| phase_configuration | three-phase (3 / N / PE) |
| product_family | SG5.0-12RT-P2 (RT-P2 three-phase residential/small-commercial string inverter) |
| product_status | active |
| product_status_detail | active - listed on the official 2026 sungrowpower.com string-inverter index as 'SG5/6/7/8/10/12RT-P2 (5~12kW)' |
| product_status_evidence | official product index fetched 2026-09-03 |
| region | EU / GL |
| release_year | UNKNOWN |
| sku | UNKNOWN |
| subcategory | grid-tied PV string inverter (three-phase, no battery interface) |
| topology | transformerless (no galvanic isolation) |
| variant_note | '-P2' is a distinct generation, not a trim level: vs the non-P2 SG12RT it changes the AC voltage range (175-276 V vs 180-276 V), the European efficiency and the DC input current rating. Never collapse the two. |
Electrical
| dc_ac_ratio | 1.5 |
| european_efficiency_pct | 97.9 |
| grid_frequency_range | 45 Hz - 55 Hz / 55 Hz - 65 Hz |
| max_ac_power_w | 13200 |
| max_apparent_power_va | 13200 |
| max_dc_short_circuit_current_total_a | UNKNOWN - see verification_notes |
| max_dc_voltage_v | 1100 |
| max_efficiency_pct | 98.5 |
| max_input_current_per_input_a | 16 A per string (official product page headline: '16A Single String Input Current') |
| max_input_current_per_mppt_a | UNKNOWN - see verification_notes |
| max_input_current_total_a | UNKNOWN - see verification_notes (row-offset defect; two independent extractions of the same file disagreed) |
| max_output_current_a | 20.0 |
| max_pv_input_power_w | UNKNOWN |
| max_short_circuit_current_per_mppt_a | UNKNOWN - see verification_notes |
| min_operating_voltage_v | 160 |
| mppt_voltage_max_v | 1000 |
| mppt_voltage_min_v | 160 |
| mppt_voltage_range_for_nominal_power | UNKNOWN |
| night_power_consumption | UNKNOWN |
| nominal_dc_voltage_v | 600 |
| nominal_frequency | 50 Hz / 60 Hz |
| nominal_voltage | 3 / N / PE, 220/380 V; 230/400 V; 240/415 V (product page headline: 415 V) |
| num_mppt | 2 |
| num_pv_inputs | 3 |
| oversizing_guidance | recommended max PV input power 18.0 kWp vs 12000 W rated AC (1.5x) |
| power_factor_range | > 0.99 default; 0.8 leading - 0.8 lagging |
| rated_ac_power_w | 12000 |
| rated_output_current_a | UNKNOWN |
| recommended_pv_power_w | 18000 |
| regional_derate | footnote flags separate limits for Belgium, Germany and Jordan; the per-country figures were not resolvable from the fetched extraction |
| startup_voltage_v | 160 |
| string_rules | 2 / 1 strings on MPPT1 / MPPT2 respectively (3 PV inputs on 2 MPPTs); each string limited to 16 A per the product page |
| strings_per_mppt | 2 / 1 (MPPT1 / MPPT2) |
| thd | < 3 % |
| voltage_range | 175 V - 276 V (phase) / 304 V - 478 V (line) |
Physical / mechanical
| cooling | natural cooling (fanless) |
| depth_mm | 195 |
| dimensions_mm | 370 (W) * 480 (H) * 195 (D) |
| enclosure_material | UNKNOWN |
| height_mm | 480 |
| mounting_type | ['wall-mounting bracket'] |
| weight_kg | 18 |
| width_mm | 370 |
Installation
| ac_connector | plug and play |
| dc_connector | MC4 (max. 6 mm2) |
| indoor_outdoor | indoor and outdoor (IP65) |
| max_installation_altitude_m | 4000 |
| mounting_orientation | UNKNOWN |
Environment
| cooling | natural cooling |
| corrosion_class | C5 (official product page: 'IP65/C5 Protection') |
| ip_rating | IP65 |
| max_altitude_m | 4000 |
| noise_db | UNKNOWN |
| operating_temperature | -25 C to 60 C |
| relative_humidity | UNKNOWN |
Interfaces & connectors
| bluetooth | UNKNOWN |
| can | none documented |
| communication_label | WLAN / Ethernet / RS485 / DI / DO |
| display | UNKNOWN |
| ethernet | yes |
| isolarcloud_dependency | iSolarCloud for monitoring; no local-operation dependency stated |
| local_communication | RS485 / DI / DO |
| logger_support | NOT_LISTED for SGxxRT-P2 in Compatibility List 4.3 |
| modbus_rtu | UNKNOWN |
| modbus_tcp | UNKNOWN |
| register_map_availability | UNKNOWN |
| rs485 | yes |
| wifi | yes (WLAN) |
| winet_support | yes - Compatibility List 4.3 lists WiNet-S/S2 for SGxxRT-P2 (max. 1 device) |
Protection
| afci | yes - AFCI 2.0 per the official product page, with 0.2 s max. shutdown time |
| anti_islanding | yes |
| dc_reverse_polarity | yes |
| dc_switch | UNKNOWN |
| grid_protection | grid monitoring |
| insulation_monitoring | yes |
| pid | PID recovery function yes |
| rcmu | leakage current protection yes |
| spd | built-in DC Type II and AC Type II |
Certifications
| grid_codes | IEC, EN, AS/NZS, VDE, UTE and other regional standards (extraction returned the list only at standards-body granularity) |
| safety | UNKNOWN |
Warranty & service
| extension_options | UNKNOWN |
| note | no warranty statement appears in the fetched datasheet extraction |
| standard_warranty | UNKNOWN |
Documents
user-manual
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
SG RT / RT-P2 User Manual (official CMS) — located, not retrieved
rev UNKNOWN
Recorded conflicts
electrical.max_input_current_per_mppt_a / max_short_circuit_current_per_mppt_a Review required
attempt 1: 32 A (16/16) | 40 A (20/20) | 48 A (32/16) | 60 A (40/20) | 48 A (32/16) | 60 A (40/20) — document[0]
attempt 2 on the identical URL: '37.5 A, 48 A, 25 A, 32 A' — document[0]
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| identity.product_status | active - listed on the official 2026 sungrowpower.com string-inverter index as 'SG5/6/7/8/10/12RT-P2 (5~12kW)' |
| manufacturer_legal_entity_as_printed | Sungrow Power Supply Co., Ltd. |