Knowledge Base ›
Inverters
Sungrow SG125CX-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.
Identity
| category |
inverters
|
| ean |
UNKNOWN
|
| generation |
CX-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 |
SG125CX-P2
|
| mpn |
UNKNOWN
|
| order_code |
UNKNOWN
|
| phase_configuration |
three-phase (3 / N / PE)
|
| product_family |
SG125CX-P2 (CX-P2 commercial multi-MPPT string inverter, 1000 Vdc system)
|
| product_status |
active
|
| product_status_detail |
active - listed on the official 2026 sungrowpower.com string-inverter index as 'SG125CX-P2 (125kW)'; an SG125CX-P3 is also listed alongside it
|
| 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 commercial, no battery interface)
|
| topology |
transformerless (no galvanic isolation)
|
| variant_note |
SG125CX-P2 and SG125CX-P3 are separate listed products on the official index; do not merge. SG125CX-P2 also differs from the 1st-generation SG125CX.
|
Electrical
| dc_ac_ratio |
up to 1.5 (product page claim)
|
| european_efficiency_pct |
98.3
|
| grid_frequency_range |
45 Hz - 55 Hz / 55 Hz - 65 Hz
|
| max_ac_power_w |
125000
|
| max_apparent_power_va |
125000
|
| max_connector_current_a |
30
|
| max_dc_short_circuit_current_total_a |
480
|
| max_dc_voltage_v |
1100
|
| max_efficiency_pct |
98.5
|
| max_input_current_per_input_a |
15 A per string (official product page: 'Max. Current per String 15A')
|
| max_input_current_per_mppt_a |
30
|
| max_input_current_total_a |
360
|
| max_output_current_a |
181.1
|
| max_pv_input_power_w |
UNKNOWN
|
| max_short_circuit_current_per_mppt_a |
40
|
| min_operating_voltage_v |
180
|
| mppt_voltage_max_v |
1000
|
| mppt_voltage_min_v |
180
|
| mppt_voltage_range_for_nominal_power |
refer to user manual (the datasheet defers this row)
|
| night_power_consumption |
< 5 W
|
| nominal_dc_voltage_v |
600
|
| nominal_frequency |
50 Hz / 60 Hz
|
| nominal_voltage |
3 / N / PE, 220 V / 380 V; 230 V / 400 V
|
| num_mppt |
12
|
| num_pv_inputs |
24
|
| oversizing_guidance |
official product page: 'DC Oversizing Design: Up to 150%'
|
| power_factor_range |
> 0.99 default; 0.8 leading - 0.8 lagging
|
| rated_ac_power_w |
125000
|
| rated_output_current_a |
UNKNOWN - the extraction returned the same 181.1 A figure on both the 'max.' and the 'rated' label; only one of the two can be recorded safely
|
| recommended_pv_power_w |
UNKNOWN
|
| startup_voltage_v |
180
|
| string_rules |
12 independent MPPTs, 2 PV strings per MPPT (24 strings total), 15 A per string; max. current for DC connector 30 A
|
| strings_per_mppt |
2
|
| thd |
< 3 % at rated power
|
| voltage_range |
320 V - 480 V
|
Physical / mechanical
| cooling |
smart forced air cooling
|
| dimensions_mm |
1020 (W) * 795 (H) * 360 (D) mm
|
| enclosure_material |
UNKNOWN
|
| mounting_type |
['wall-mounting bracket']
|
| weight_kg |
<= 93
|
Installation
| ac_cable_outer_diameter_mm |
30 - 60
|
| ac_connector |
OT / DT terminal (max. 240 mm2)
|
| dc_connector |
MC4-Evo2 (max. 6 mm2)
|
| indoor_outdoor |
outdoor (IP66)
|
| max_installation_altitude_m |
4000
|
| mounting_orientation |
UNKNOWN
|
Environment
| cooling |
smart forced air cooling
|
| corrosion_class |
C5
|
| fan_replaceable |
UNKNOWN
|
| ip_rating |
IP66
|
| max_altitude_m |
4000
|
| night_power_consumption |
< 5 W
|
| noise_db |
UNKNOWN
|
| operating_temperature |
-30 C to 60 C
|
| relative_humidity |
0 % - 100 % non-condensing
|
Interfaces & connectors
| bluetooth |
yes (Bluetooth + APP commissioning)
|
| can |
none documented
|
| communication_label |
RS485 / WLAN (optional) / Ethernet (optional)
|
| display |
LED, Bluetooth + APP
|
| ethernet |
optional
|
| isolarcloud_dependency |
iSolarCloud for monitoring; no local-operation dependency stated
|
| local_communication |
RS485
|
| logger_support |
UNKNOWN
|
| modbus_rtu |
UNKNOWN
|
| modbus_tcp |
UNKNOWN
|
| register_map_availability |
UNKNOWN
|
| rs485 |
yes
|
| wifi |
optional (WLAN)
|
| winet_support |
yes - Compatibility List 4.3 lists WiNet-S/S2 for the SGxxCX/CX-P2 models (max. 1 device)
|
Protection
| afci |
yes - AFCI 2.0; official product page states 200 ms shutdown time and 200 m cable coverage
|
| anti_islanding |
yes
|
| dc_reverse_polarity |
yes
|
| dc_switch |
yes
|
| grid_protection |
grid monitoring; grid fault record function
|
| insulation_monitoring |
ground fault monitoring yes; PV string current monitoring yes
|
| other |
Smart IV Curve Diagnosis
|
| pid |
PID recovery function yes
|
| rcmu |
leakage current protection yes
|
| spd |
DC Type I + II / AC Type II
|
Certifications
| grid_codes |
['IEC 62109-1', 'EN/IEC 61000-6-1/2/3/4', 'IEC 61727', 'IEC 62116', 'EN 50549-1/2', 'UTE C15-712-1', 'VDE V 0126-1-1', 'VDE-AR-N 4105:2018', 'VFR 2019', 'NC RfG', 'G99', 'UNE 217002', 'NTS', 'CEI 0-21 2019', 'CEI 0-16 2019', 'NRS-097-2-1', 'IEC 63027']
|
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. #}
SG125CX-P2 User Manual (official) — located, not retrieved
rev UNKNOWN
Recorded conflicts
electrical.rated_output_current_a Review required
181.1 A on the 'Max. AC output current' label — document[0]
181.1 A on the 'Rated AC output current (230 V)' label — 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 'SG125CX-P2 (125kW)'; an SG125CX-P3 is also listed alongside it |
| manufacturer_legal_entity_as_printed | Sungrow Power Supply Co., Ltd. |
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