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Sungrow SG33CX-P2

Official manufacturer EU / GL verified Sept. 3, 2026

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 SG33CX-P2
mpn UNKNOWN
order_code UNKNOWN
phase_configuration three-phase (3 / N / PE)
product_family SG25/30/33CX-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 'SG25/30/33CX-P2'
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 3-MPPT chassis. The 4-MPPT SG36/40/50CX-P2 shares the same 645*575*245 mm enclosure but is a different DC configuration - never merge the DC blocks.

Electrical

dc_ac_ratio UNKNOWN
european_efficiency_pct 98.3
grid_frequency_range 45 Hz - 55 Hz / 55 Hz - 65 Hz
max_ac_power_w 36300
max_apparent_power_va 36300
max_dc_short_circuit_current_total_a 120
max_dc_voltage_v 1100
max_efficiency_pct 98.5
max_input_current_per_input_a 15 A per string (official product page: 'DC Input Current 15A, compatible with 500W+ PV modules')
max_input_current_per_mppt_a 30
max_input_current_total_a 90
max_output_current_a 55.2
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 < 7 W
nominal_dc_voltage_v 600
nominal_frequency 50 Hz / 60 Hz
nominal_voltage 3 / N / PE, 220/380 V; 230/400 V
num_mppt 3
num_pv_inputs 6
oversizing_guidance UNKNOWN
power_factor_range > 0.99 default; 0.8 leading - 0.8 lagging
rated_ac_power_w 33000
rated_output_current_a 47.8
recommended_pv_power_w UNKNOWN
startup_voltage_v 200
string_rules 3 independent MPPTs, 2 PV strings per MPPT (6 strings total), 15 A per string / 30 A per MPPT
strings_per_mppt 2
thd < 3 % at rated power
voltage_range 312 V - 480 V

Physical / mechanical

cooling smart forced air cooling
dimensions_mm 645 (W) * 575 (H) * 245 (D) mm
enclosure_material UNKNOWN
mounting_type ['wall-mounting bracket']
weight_kg 38

Installation

ac_connector OT terminal (16 - 35 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 < 7 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 / optional WLAN, Ethernet
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)
anti_islanding yes
dc_reverse_polarity yes
dc_switch yes
grid_protection grid monitoring
insulation_monitoring ground fault monitoring yes; PV string current monitoring yes
other dynamic shading optimization; smart IV curve diagnosis (product page)
pid PID recovery function yes
rcmu leakage current protection yes
spd DC Type I + II / AC Type II

Certifications

grid_codes ['IEC 62109', 'IEC 61727', 'IEC 62116', 'VDE-AR-N 4105:2018', 'IEC 61000-6-3', 'EN 50549-1', 'CEI 0-21 2019', 'CEI 0-16 2019', 'VDE 0126-1-1/A1', 'VFR 2019', 'UTE C15-712-1:2013', 'UNE 206007-1/RD 1699', 'UNE 217002', 'G99', 'IEC 63027']
grid_support Q at night function, LVRT, HVRT, active and reactive power control, power ramp rate control
note certification list taken from the sibling SG36/40/50CX-P2 V4 datasheet section that the SG25/30/33CX-P2 V5 extraction summarised only as 'extensive compliance'; treat as SERIES-level, not model-verified

Warranty & service

extension_options UNKNOWN
note no warranty statement appears in the fetched datasheet extraction
standard_warranty UNKNOWN

Documents

compatibility-list Sungrow Compatibility List Public 2026 (Version 4.3) rev 4.3
datasheet {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} SG25/30/33CX-P2 Datasheet V14 EN (earlier revision) — located, not retrieved rev Version 14
datasheet SG25/30/33CX-P2 Datasheet V5 EN rev Version 5
product-page SG25/30/33CX-P2 official product page rev UNKNOWN
product-page Sungrow string inverter product index (official website) rev UNKNOWN
quick-guide {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} SG25/30/33/36/40/50CX-P2 Quick Installation Guide (Ver20) — located, not retrieved rev Ver20
user-manual {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} SG25/30/33/36/40/50CX-P2 User Manual (official) — located, not retrieved rev UNKNOWN

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

identity.product_statusactive - listed on the official 2026 sungrowpower.com string-inverter index as 'SG25/30/33CX-P2'
manufacturer_legal_entity_as_printedSungrow Power Supply Co., Ltd.

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