SUNGROW SG350HX Inverter Multi-MPPT String Inverter for 1500 Vdc System 350kW On-Grid Solar System Sungrow Solar Inverter

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Dimensions (W*H*D) : 1136 * 870 * 361 mm
Weight : ≤ 116 kg
Degree of protection : IP66
Power consumption at night : < 6 W
Operating ambient temperature range : -30 to 60℃
Allowable relative humidity range : 0 – 100 %
Display : LED, Bluetooth+APP
Communication : RS485 / PLC
DC connection type : MC4-Evo2 (Max. 6 mm², optional 10mm²)
AC connection type: Support OT/DT terminal (Max. 400 mm²)

$12,069.00

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Features of the SUNGROW SG350HX Inverter

HIGH YIELD

  • Up to 16 MPPTs with max. efficiency 99%
  • 20A per string, compatible with 500Wp+ module
  • Data exchange with tracker system, improving yield
 GRID SUPPORT

  • SCR≥1.15 stable operation in extremely weak grid
  • Reactive power response time ＜30ms
  • Compliant with global grid code
LOW COST

  • Q at night function, save investment
  • Power line communication (PLC)
  • Smart IV Curve diagnosis,active O&M
 PROVEN SAFETY

  • 2 strings per MPPT, no fear of string reverse connection
  • 24h real-time AC and DC insulation monitoring

CIRCUIT DIAGRAM

EFFICIENCY CURVE

Type designation SG350HX
Input (DC)
Max. PV input voltage 1500 V
Min. PV input voltage / Startup input voltage 500 V / 550 V
Nominal PV input voltage 1080 V
MPP voltage range 500 V – 1500 V
No. of independent MPP inputs 12 (Optional: 14 / 16)
Max. number of input connector per MPPT 2
Max. PV input current 12 * 40 A (Optional: 14 * 30 A / 16 * 30 A)
Max. DC short-circuit current per MPPT 60 A
Output (AC)
AC output power 352 kVA @ 30℃ / 320 kVA @ 40 ℃ / 295 kVA @ 50℃
Max. AC output current 254 A
Nominal AC voltage 3 / PE, 800 V
AC voltage range 640 – 920 V
Nominal grid frequency / Grid frequency range 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
THD < 3 % (at nominal power)
DC current injection < 0.5 % In
Power factor at nominal power / Adjustable power factor > 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / Connection phases 3 / 3
Efficiency
Max. efficiency / European efficiency 99.02 % / 98.8 %
Protection
DC reverse connection protection Yes
AC short circuit protection Yes
Leakage current protection Yes
Grid monitoring Yes
Ground fault monitoring Yes
DC switch / AC switch Yes / No
PV string current monitoring Yes
Q at night function Yes
Anti-PID and PID recovery function Optional
Surge protection DC Type II / AC Type II

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