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SG285-350HX String Solar Inverters
SG285-350HX String Solar Inverters

SG285-350HX String Solar Inverters

285-320KW String solar inverters, 12-16 MPPTs channels , 20A-40A per string, compatible with 500Wp+ module, synergizing with trackers and Q-mode night operation for cost savings.

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Description

ENERGY AMPLIFICATION

12-16 channel MPPT configuration achieving 99% peak conversion efficiency.

20-40A per-string current capacity for high-wattage PV module compatibility (500W+).

Tracker system interoperability for yield optimization.

COST EFFICIENCY

Nighttime reactive power compensation (Q-mode) reducing capital expenditure.

Embedded PLC-enabled grid synchronization.

Predictive IV curve analytics with proactive maintenance protocols.

GRID STABILIZATION

SCR≥1.16 capability for subgrid operation under ultra-weak grid conditions.

Sub-30ms reactive power response for dynamic grid support.

Global grid standard harmonization (IEC/UL/CE).

FAILSAFE ENGINEERING

Dual-string per MPPT topology with reverse polarity protection.

Internal DC circuit breaker enabling fault isolation.

Continuous insulation resistance monitoring (AC/DC).


Type DesignationSG285HXSG320HX

Input ( DC )

  • Max. PV input voltage1500 V
  • Min. PV input voltage / Startup input voltage500 V / 550 V
  • Nominal PV input voltage1080 V
  • MPPT voltage range500 V – 1500 V
  • No. of independent MPP inputs1212 (optional: 16)
  • Max. number of input connector per MPPT2
  • Max. PV input current12 * 40 A12 * 40 A (Optional: 16 * 30 A)
  • Max. DC short-circuit current60 A

Output ( AC )

  • AC output power285 kVA @ 40 ℃352 kVA @ 30 ℃ / 320 kVA @ 40 ℃ / 295 kVA @ 50 ℃
  • Max. AC output power206 A254 A
  • Nominal AC voltage3 / PE, 800 V
  • AC voltage range640 – 920V
  • Nominal grid frequency / Grid frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
  • Harmonic ( 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 / AC connection3 / 3
  • Max. efficiency / CEC efficiency99.02 % / 98.8 %

Protection

  • DC reverse polarity protectionYes
  • AC short circuit protectionYes
  • Leakage current protectionYes
  • Grid monitoringYes
  • DC switchYes
  • AC switchNo
  • PV string monitoringYes
  • Q at night functionYes
  • Anti-PID and PID recovery functionOptional
  • Surge protectionDC Type II / AC Type II

General Data

  • Dimensions ( W * H * D )1136 * 870 * 361 mm
  • Weight≤ 116 kg
  • TopologyTransformerless
  • Ingress protection ratingIP66
  • Night power consumption< 6 W
  • Operating ambient temperature range-30 to 60 ℃
  • Allowable relative humidity range0 % - 100 %
  • Cooling methodSmart forced air cooling
  • Max. operating altitude4000 m (> 3000 m derating)
  • DisplayLED, Bluetooth+APP
  • CommunicationRS485 / PLC
  • DC connection typeMC4-Evo2 (Max. 6 mm², optional 10mm² )
  • AC connection typeSupport OT / DT terminal (Max. 400 mm²)
  • ComplianceIEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, VDE-AR-N 4110:2018, VDE-AR-N 4120:2018, EN 50549-1/2, UNE 206007-1:2013, P.O.12.3IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, EN 50549-1/2, UNE 206007-1:2013, UTE C15-712-1:2013
  • Grid SupportQ at night function, LVRT, HVRT,active & reactive power control and power ramp rate control, Q-U control, P-f controlQ at night function, LVRT, HVRT,active & reactive power control and power ramp rate control

Type DesignationSG333HXSG350HX

Input ( DC )

  • Max. PV input voltage1500 V
  • Min. PV input voltage / Startup input voltage500 V / 550 V
  • Nominal PV input voltage1080 V
  • MPPT voltage range500 V – 1500 V
  • No. of independent MPP inputs12 (optional: 16)
  • Max. number of input connector per MPPT2
  • Max. PV input current12 * 40 A (Optional: 16 * 30 A)
  • Max. DC short-circuit current60 A

Output ( AC )

  • AC output power333 kVA @ 35℃ / 320 kVA @ 40 ℃352 kVA @ 30℃ / 320 kVA @ 40 ℃ / 295 kVA @ 50℃
  • Max. AC output power240.5 A254 A (Nominal output 231A)
  • Nominal AC voltage3 / PE, 800 V
  • AC voltage range640 – 920V
  • Nominal grid frequency / Grid frequency range50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
  • Harmonic ( 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 / AC connection3 / 3
  • Max. efficiency / CEC efficiency99.02 % / 98.8 %

Protection

  • DC reverse connection protectionYes
  • AC short circuit protectionYes
  • Leakage current protectionYes
  • Grid monitoringYes
  • Ground fault monitoringYes
  • DC switchYes
  • AC switchNo
  • PV string current monitoringYes
  • Q at night functionYes
  • Anti-PID and PID recovery functionOptional
  • Surge protectionDC Type II / AC Type II

General Data

  • Dimensions ( W * H * D )1136 * 870 * 361 mm
  • Weight≤ 116 kg
  • TopologyTransformerless
  • Ingress protection ratingIP66
  • Night power consumption< 6 W
  • Operating ambient temperature range-30 to 60 ℃
  • Allowable relative humidity range0 % - 100 %
  • Cooling methodSmart forced air cooling
  • Max. operating altitude4000 m (> 3000 m derating)
  • DisplayLED, Bluetooth+APP
  • CommunicationRS485 / PLC
  • DC connection typeMC4-Evo2 (Max. 6 mm², optional 10mm² )
  • AC connection typeSupport OT / DT terminal (Max. 400 mm²)
  • ComplianceIEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, EN 50549-1 /2IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, VDE-AR-N 4110:2018, VDEAR-N 4120:2018, EN 50549-1/2, UNE 206007-1:2013, P.O.12.3, UTE C15-712-1:2013
  • Grid SupportQ at night function, LVRT, HVRT,active & reactive power control and power ramp rate control, Q-U control, P-f control


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