Deye SUN-40/45/50K-G04 Product image 1

Deye · String inverter

Deye SUN-40/45/50K-G04

Three Phase | 40-50kW | 4 MPPT

Organized by official series page. Power ratings, regional versions and interfaces are not interchangeable. Original English tables preserve model columns and merged cells. Confirm the exact model, certification, supply, freight and lead time before purchase. Unpriced items require a quotation.

Deye · 2026-10-20

Official product features

  • Max. 4 MPP trackers, Max. effificiency up to 98.7%
  • Zero export application, VSG application
  • String intelligent monitoring (optional)
  • Wide output voltage range
  • Anti-PID function (Optional)

Official technical specifications

Organized by official series page. Power ratings, regional versions and interfaces are not interchangeable. Original English tables preserve model columns and merged cells. Confirm the exact model, certification, supply, freight and lead time before purchase. Unpriced items require a quotation.

Deye SUN-40/45/50K-G04 — Official technical specifications
ModelSUN-40K-G04SUN-45K-G04SUN-50K-G04
PV String Input Date
Max. PV Input Power(kW)5258.565
Max. PV Input Voltage(V)1100
Start-up Voltage(V)250
MPPT voltage range(V)200-1000
Rated PV Input voltage(V)600
Max. Input Short Circuit Current (A)60+60+6060+60+60+60
Max. Operating PV Input Current(A)40+40+4040+40+40+40
No. of MPPT Trackers/No. of Strings per MPPT Trackers3/3+3+34/3+3+3+3
AC Output Side
Rated AC Output Active Power(kW)404550
Max. AC Output Apparent Power(kVA)4449.555
Rated AC output current (A)60.6/5868.2/65.275.8/72.5
Max. AC IOutput Current(A)66.7/63.875/71.783.3/79.7
Rated output voltage/range (V)220/380V, 230/400V 0.85Un-1.1Un
Grid Connection Form3L/N/PE
Rated Output Grid Frequency/range(Hz)50/45-55, 60/55-65
Power Factor Adjustment Range0.8 leading to 0.8 lagging
Total Current Harmonic Distortion THDi<3%
DC Injection Current<0.5%ln
Efficiency
Max. Efficiency98.70%
Euro Efficiency98.10%
MPPT Efficiency>99%
Equipment Protection
DC Reverse Polarity ProtectionYes
AC Output Overcurrent ProtectionYes
AC Output Overvoltage ProtectionYes
AC Output Short Circuit ProtectionYes
Thermal ProtectionYes
Insulation Impedance DetectionYes
DC Component MonitoringYes
Arc Fault Circuit Interrupter (AFCI)Optional
Anti-islanding ProtectionYes
Residual Current DetectionYes
Surge Protection LevelTYPE II(DC),TYPE II(AC)
DC SwitchYes
Interface
Communication InterfaceRS485/RS232
Monitor ModeGPRS/WIFI/Bluetooth/4G/LAN(optional)
General Data
Operating Temperature Range (°C)-25 to +60℃, >45℃ Derating
Permissible Ambient Humidity0~100%
Permissible Altitude (m)4000m
Noise (dB)<65
Ingress Protection(IP) RatingIP 65
Inverter TopologyNon-Isolated
Over Voltage CategoryOVC II(DC),OVC III(AC)
Cabinet Size (WxHxD mm)434×570×243 (Excluding Connectors and Brackets)
Weight [kg]39
Warranty [year]5 Years
Type Of CoolingIntelligent Air Cooling
Grid RegulationIEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE-Richtlinie R25, G99, VDE-AR-N 4105
Safety EMC/StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2

Datasheets & official documents

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