SG-CX-P2 Series 25KW-50KW Solar String Inverters

SG-CX-P2 Series high efficiency solar inverter with 15A DC input, compatible with 500W+ PV modules, featuring dynamic shading optimization, PID recovery, smart IV diagnostics, lightweight design

CATEGORY: Inverter

Description

HIGH EFFICIENCY

15A DC Input & 500W+ PV Compatibility

Supports high-power PV modules (500W and above) with 15A DC input capacity.

Dynamic Shading Optimization

Automatically adjusts output under partial shading to maximize energy harvest.

Integrated PID Recovery

Built-in Potential Induced Degradation (PID) reversal technology for sustained performance.

SMART O&M (OPERATION & MAINTENANCE)

Component Health Monitoring

Real-time diagnostics and protection for critical components.

IV Curve Scanning

Smart IV curve analysis for rapid fault detection and troubleshooting.

Grid Event Logging

Records grid anomalies to streamline remote maintenance and diagnostics.

COST-EFFECTIVE DESIGN

Lightweight Construction

34% weight reduction for easier installation and handling.

Tool-Free Installation

Plug-and-play design with secure buckle mechanism for rapid deployment.

SAFETY & RELIABILITY

Robust Environmental Protection

IP66-rated enclosure with C5 anti-corrosion coating for harsh conditions.

Advanced Surge Protection

Dual SPD configuration (DC Type I+II / AC Type II) for enhanced grid resilience.

Arc Fault Prevention

Compliant with AFCI 2.0 standards to mitigate fire risks.

Type DesignationSG25CX-P2SG30CX-P2SG33CX-P2

Input ( DC )

Recommended max. PV input power35 kWp42 kWp46.2 kWp
Max. PV input voltage1100 V
Min. PV input voltage / Startup input voltage160 V / 200 V
Nominal PV input voltage600 V
MPPT voltage range160 V – 1000 V
No. of independent MPP inputs3
No. of PV strings per MPPT2
Max. PV input current90 A ( 30 A * 3 )
Max. DC short-circuit current120 A ( 40 A * 3 )
Max. current for DC connector30 A

Output ( AC )

Rated AC output power25 kW30 kW33 kW
Max. AC output apparent power27.5 kVA33 kVA36.3 kVA
Max. AC output current41.8 A50.2 A55.2 A
Rated AC output current( at 230V )36.2 A43.5 A47.8 A
Rated AC voltage3 / N / PE, 220 V / 380 V, 230 V / 400 V
AC voltage range312 V – 480 V
Rated grid frequency / Grid frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
Harmonic ( THD )< 3 % ( at rated power )
Power factor at nominal power / Adjustable power factor> 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / AC connection3 / 3-N-PE
Max. efficiency / European efficiency98.4% / 98.2%98.5% / 98.3%98.5% / 98.3%

Protection and Function

Grid monitoringYes
DC reverse polarity protectionYes
AC short-circuit protectionYes
Leakage current protectionYes
Ground fault monitoringYes
Surge protectionDC Type I + II / AC Type II
DC switchYes
PV string current monitoringYes
Arc fault circuit interrupter (AFCI)Yes
PID recovery functionYes
Optimizer compatibilityOptional
RSD compatibilityOptional

General Data

Dimensions ( W * H * D )645 mm * 575 mm * 245 mm
Weight38 kg
Mounting methodWall-mounting bracket
TopologyTransformerless
Degree of protectionIP66
Night power consumption< 7 W
CorrosionC5
Operating ambient temperature range-30 to 60 ℃
Allowable relative humidity range (non-condensing)0 % - 100 %
Cooling methodSmart forced air cooling
Max. operating altitude4000 m
DisplayLED, Bluetooth+APP
CommunicationRS485 / Optional: WLAN, Ethernet
DC connection typeEVO2 ( Max. 6 mm² )
AC connection typeOT terminal ( 16 mm² - 35 mm²)
AC cable specificationOutside diameter 18 mm - 38 mm
ComplianceIEC 62109, IEC 61727, IEC 62116, VDE-AR-N 4105:2018, IEC 61000-6-3, EN 50549-1, CEI 0-21 2019,CEI0-16 2019, VDE 0126-1-1/A1 VFR 2019, UTE C15-712-1:2013, UNE 206007-1/RD 1699, UNE 217002, G99, IEC 63027
Grid SupportQ at night function, LVRT, HVRT,active & reactive power control and power ramp rate control

Type DesignationSG36CX-P2SG40CX-P2SG50CX-P2

Input ( DC )

Recommended max. PV input power50.4 kWp56 kWp70 kWp
Max. PV input voltage1100 V
Min. PV input voltage / Startup input voltage160 V / 200 V
Nominal PV input voltage600 V
MPPT voltage range160 V – 1000 V
No. of independent MPP inputs4
No. of PV strings per MPPT2
Max. PV input current120 A ( 30 A * 4 )
Max. DC short-circuit current160 A ( 40 A * 4 )
Max. current for DC connector30 A

Output ( AC )

Rated AC output power36 kW40 kW50 kW
Max. AC output apparent power40 kVA44 kVA55 kVA
Max. AC output current60.2 A66.9 A83.6 A
Rated AC output current( at 230V )52.17 A58 A72.5 A
Rated AC voltage3 / N / PE, 220 V / 380 V, 230 V / 400 V
AC voltage range312 V – 480 V
Rated grid frequency / Grid frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
Harmonic ( THD )< 3 % ( at rated power )
Power factor at nominal power / Adjustable power factor> 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / AC connection3 / 3-N-PE
Max. efficiency / European efficiency98.5% / 98.3%

Protection and Function

Grid monitoringYes
DC reverse polarity protectionYes
AC short-circuit protectionYes
Leakage current protectionYes
Ground fault monitoringYes
Surge protectionDC Type I + II / AC Type II
DC switchYes
PV string current monitoringYes
Arc fault circuit interrupter (AFCI)Yes
PID recovery functionYes
Optimizer compatibilityOptional

General Data

Dimensions ( W * H * D )645 mm * 575 mm * 245 mm
Weight40 kg41 kg
Mounting methodWall-mounting bracket
TopologyTransformerless
Degree of protectionIP66
Night power consumption< 7 W
CorrosionC5
Operating ambient temperature range-30 to 60 ℃
Allowable relative humidity range (non-condensing)0 % - 100 %
Cooling methodSmart forced air cooling
Max. operating altitude4000 m
DisplayLED, Bluetooth+APP
CommunicationRS485 / Optional: WLAN, Ethernet
DC connection typeEVO2 ( Max. 6 mm² )
AC connection typeOT terminal ( 16 mm² - 35 mm²)OT or DT terminal (35-50 mm²)
AC cable specificationOutside diameter 18 mm - 38 mm
ComplianceIEC 62109, IEC 61727, IEC 62116, VDE-AR-N 4105:2018, IEC 61000-6-3, EN 50549-1, CEI 0-21 2019,CEI0-16 2019, VDE 0126-1-1/A1 VFR 2019, UTE C15-712-1:2013, UNE 206007-1/RD 1699, UNE 217002, G99, IEC 63027
Grid SupportQ at night function, LVRT, HVRT,active & reactive power control and power ramp rate control