Sungrow SG333HX Inverter Multi-MPPT String Inverter for 1500 Vdc System High Efficiency Solar Inverter On-Grid Solar System 333KW

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  • 2 strings per MPPT, no fear of string reverse connection
  • 24h real-time AC and DC insulation monitoring
  • Q at night function, save investment
  • Power line communication (PLC)
  • Smart IV Curve diagnosis*, active O&M
  • Up to 16 MPPTs with max. efficiency 99%
  • 20A per string, compatible with 500Wp+ module
  • Data exchange with tracker system, improving yield

$11,869.00

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General Data of Sungrow SG333HX Inverter

  • Dimensions (W*H*D) : 1136 * 870 * 361 mm
  • Weight* : ≤ 116 kg
  • Isolation method : Transformerless
  • Degree of protection : IP66
  • Power consumption at night: < 6 W
  • Operating ambient temperature range : – 30 to 60℃
  • Allowable relative humidity range : 0 – 100 %
  • Cooling method : Smart forced air cooling
  • Max. operating altitude : 4000 m (> 3000 m derating)
  • 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)
  • Compliance : IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, EN 50549-1 /2
  • Grid Support: Q at night function, LVRT, HVRT,active & reactive power control and power ramp rate control, Q-U control, P-f control

CIRCUIT DIAGRAM

EFFICIENCY CURVE

Type designation SG333HX
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: 16)
Max. number of input connector per MPPT 2
Max. PV input current 12 * 40 A (Optional: 16 * 30 A)
Max. DC short-circuit current per MPPT 60 A
Output (AC)
AC output power 333 kVA @ 35℃ / 320 kVA @ 40 ℃
Max. AC output current 240.5 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

*Due to the multi-supplier for some key components, the actual weight may have a ±8% deviation, please refer to the actually delivered product.

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