Sungrow SG15RT-P2
Official manufacturer EU / GL verified Sept. 3, 2026
Identity
| category | inverters |
| ean | UNKNOWN |
| generation | RT-P2 |
| grid_type | TN / TT |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Sungrow |
| manufacturer_legal_entity | Sungrow Power Supply Co., Ltd. |
| market_version | UNKNOWN |
| model | SG15RT-P2 |
| mpn | UNKNOWN |
| order_code | UNKNOWN |
| phase_configuration | three-phase (3 / N / PE) |
| product_family | SG15/17/20RT-P2 (RT-P2 three-phase commercial-residential string inverter) |
| product_status | active |
| product_status_detail | active - listed on the official 2026 sungrowpower.com string-inverter index as 'SG15/17/20RT-P2 (15~20kW)' |
| 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 | Same 370*480*195 mm chassis as the 5-12 kW RT-P2 but 22 kg and forced-air cooled instead of 18 kg natural convection - do not merge the physical block with the smaller RT-P2 models. |
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 | 16500 |
| max_apparent_power_va | 16500 |
| max_dc_short_circuit_current_total_a | 80 |
| max_dc_voltage_v | 1100 |
| max_efficiency_pct | 98.3 |
| max_input_current_per_input_a | 16 A per string (product page: '16A Single String Input Current') |
| max_input_current_per_mppt_a | 32 |
| max_input_current_total_a | 64 |
| max_output_current_a | 25.0 |
| max_pv_input_power_w | UNKNOWN |
| max_short_circuit_current_per_mppt_a | 40 |
| 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, 230 / 400 V (product page headline 415 V) |
| num_mppt | 2 |
| num_pv_inputs | 4 |
| oversizing_guidance | recommended max PV input power 22.5 kWp vs 15000 W rated AC (1.5x) |
| power_factor_range | > 0.99 default; 0.8 leading - 0.8 lagging |
| rated_ac_power_w | 15000 |
| rated_output_current_a | UNKNOWN |
| recommended_pv_power_w | 22500 |
| startup_voltage_v | 160 |
| string_rules | 2 independent MPPTs, 2 PV strings per MPPT (4 strings total), 16 A per string |
| strings_per_mppt | 2 / 2 |
| thd | < 3 % |
| voltage_range | 175 V - 276 V / 304 V - 478 V |
Physical / mechanical
| cooling | smart forced air cooling |
| depth_mm | 195 |
| dimensions_mm | 370 (W) * 480 (H) * 195 (D) |
| enclosure_material | UNKNOWN |
| height_mm | 480 |
| mounting_type | ['wall-mounting bracket'] |
| weight_kg | 22 |
| 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 | smart forced air cooling |
| corrosion_class | C5 (product page: 'IP65/C5 Protection') |
| fan_replaceable | UNKNOWN |
| 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 |
| 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 |
Protection
| afci | yes - AFCI 2.0 (product page), 0.2 s max. shutdown time, 200 m cable support |
| 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 | UNKNOWN |
| note | the fetched extraction did not resolve the certification block to clause level |
| 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
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 'SG15/17/20RT-P2 (15~20kW)' |
| manufacturer_legal_entity_as_printed | Sungrow Power Supply Co., Ltd. |