Sungrow SG2.5RS-S
Verified distributor EU / GL verified Sept. 3, 2026
Identity
| category | inverters |
| ean | UNKNOWN |
| generation | RS (1st generation, '-S' = single-MPPT small-power sub-variant) |
| grid_type | TN / TT (grid-connected, no islanded operation) |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Sungrow |
| manufacturer_legal_entity | Sungrow Power Supply Co., Ltd. |
| market_version | UNKNOWN |
| model | SG2.5RS-S |
| mpn | UNKNOWN |
| order_code | UNKNOWN |
| phase_configuration | single-phase |
| product_family | SG2.0-6.0RS (RS single-phase residential string inverter) |
| product_status | UNKNOWN |
| product_status_detail | not listed on the official 2026 sungrowpower.com string-inverter index (which lists only SG3.0/3.6/4.0RS and SG5.0/6.0RS for 1-phase); status therefore recorded as likely-superseded rather than confirmed |
| product_status_evidence | official product index fetched 2026-09-03 lists SG3.0/3.6/4.0RS and SG5.0/6.0RS only |
| region | EU / GL |
| release_year | UNKNOWN |
| sku | UNKNOWN |
| subcategory | grid-tied PV string inverter (single-phase, no battery interface) |
| topology | transformerless (no galvanic isolation) |
| variant_note | The '-S' suffix denotes the small-chassis single-MPPT variant (320*225*120 mm, 6 kg, 1 MPPT). It is NOT interchangeable with the non-S SG3.0RS, which is a 2-MPPT 410*270*150 mm 10 kg unit. |
Electrical
| dc_ac_ratio | 1.5 |
| european_efficiency_pct | 97.5 |
| grid_frequency_range | 45 Hz - 55 Hz (50 Hz) / 55 Hz - 65 Hz (60 Hz) |
| max_ac_power_w | 2500 |
| max_apparent_power_va | 2500 |
| max_dc_short_circuit_current_total_a | 20 |
| max_dc_voltage_v | 600 |
| max_efficiency_pct | 98.0 |
| max_input_current_per_input_a | 16 |
| max_input_current_per_mppt_a | 16 |
| max_output_current_a | 11.4 |
| max_pv_input_power_w | UNKNOWN |
| max_short_circuit_current_per_mppt_a | 20 |
| min_operating_voltage_v | 40 |
| mppt_voltage_max_v | 560 |
| mppt_voltage_min_v | 40 |
| mppt_voltage_range_for_nominal_power | UNKNOWN |
| night_power_consumption | UNKNOWN |
| nominal_dc_voltage_v | 360 |
| nominal_frequency | 50 Hz / 60 Hz |
| nominal_voltage | 220 V / 230 V / 240 V (1 / N / PE) |
| num_mppt | 1 |
| num_pv_inputs | 1 |
| oversizing_guidance | recommended max PV input power 3.75 kWp against 2500 W rated AC (1.5x); no explicit maximum oversizing ratio is stated in the fetched documents |
| power_factor_range | > 0.99 default; adjustable 0.8 leading - 0.8 lagging |
| rated_ac_power_w | 2500 |
| rated_output_current_a | 11.4 |
| recommended_pv_power_w | 3750 |
| startup_voltage_v | 50 |
| string_rules | 1 MPPT, 1 string. User manual Ver18 states the input-connector limit is 20 A and the open-circuit voltage limit is 600 V. |
| thd | < 3 % at rated power |
| voltage_range | 154 V - 276 V |
Physical / mechanical
| cooling | natural convection (fanless) |
| depth_mm | 120 |
| dimensions_mm | 320 (W) * 225 (H) * 120 (D) |
| enclosure_material | UNKNOWN |
| height_mm | 225 |
| mounting_type | ['wall bracket'] |
| weight_kg | 6 |
| width_mm | 320 |
Installation
| ac_connector | plug-and-play connector |
| 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 |
| ip_rating | IP65 |
| max_altitude_m | 4000 |
| noise_db | UNKNOWN |
| operating_temperature | -25 C to 60 C |
| relative_humidity | 0 % - 100 % non-condensing |
Interfaces & connectors
| bluetooth | UNKNOWN |
| can | none documented |
| digital_inputs | DRM / ripple control on COM2 |
| display | LED indicator |
| ethernet | via WiNet-S dongle (COM1) |
| isolarcloud_dependency | iSolarCloud monitoring offered; local operation does not depend on it (not explicitly stated in fetched docs) |
| local_communication | RS485 (COM2, shared with smart meter / DRM) |
| logger_support | UNKNOWN |
| modbus_rtu | UNKNOWN |
| modbus_tcp | UNKNOWN |
| register_map_availability | UNKNOWN |
| rs485 | yes (COM2) |
| wifi | via WiNet-S dongle (COM1) |
| winet_support | yes - user manual Ver18 names COM1 as the WiNet-S port; Compatibility List 4.3 lists WiNet-S/S2 for SGxxRS (max. 1 device) |
Protection
| afci | yes (integrated arc fault circuit interrupter) |
| anti_islanding | yes |
| dc_reverse_polarity | yes |
| dc_switch | yes |
| grid_protection | grid monitoring / over- and under-voltage and frequency protection |
| insulation_monitoring | ground fault monitoring yes |
| pid | built-in smart PID Zero function |
| rcmu | leakage current protection (RCMU) yes |
| spd | built-in DC Type II + AC Type II |
| string_current_monitoring | yes |
Certifications
| grid_codes | UNKNOWN |
| note | the Krannich mirror extraction did not surface the certification block; the sibling SG3.0/3.6/4.0RS V12 datasheet lists IEC/EN 62109-1/2, IEC/EN 62116, IEC/EN 61727, AS/NZS 4777.2, G98/G99, CEI 0-21, VDE-AR-N 4105, UTE C15-712-1 - not carried across to this model |
| safety | UNKNOWN |
Warranty & service
| extension_options | UNKNOWN |
| note | no warranty statement appears in the fetched datasheet extraction |
| standard_warranty | UNKNOWN |
Documents
quick-guide
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
SG2.0-6.0RS Quick Installation Guide (Ver20) — located, not retrieved
rev Ver20
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| identity.product_status | not listed on the official 2026 sungrowpower.com string-inverter index (which lists only SG3.0/3.6/4.0RS and SG5.0/6.0RS for 1-phase); status therefore recorded as likely-superseded rather than confirmed |
| manufacturer_legal_entity_as_printed | Sungrow Power Supply Co., Ltd. |