SUN-18K-SG05LP3-EU-SM2 — DEYE SUN-14-20K-SG05LP3-EU Three Phase Hybrid

Deye 18kW Solar Inverter Datasheet — SUN-18K-SG05LP3-EU-SM2

18kW three phase hybrid inverter with 330A charging and transformer isolation.

SKU: SUN-18K-SG05LP3-EU-SM2 | Last Updated: 2026-01-24

⚡Electrical Specifications

AC Coupling SupportYes
AC Output Overcurrent ProtectionYes
AC Output Overvoltage ProtectionYes
AC Output Short-Circuit ProtectionYes
AC Voltage Tolerance (×Un)0.85-1.1
Anti-Islanding ProtectionYes
Arc Fault Circuit Interrupter (AFCI)Optional
Battery Parallel SupportYes
Battery TypeLead-acid or Lithium-ion
Battery Voltage Range40-60 V
Charge/Discharge Time Periods6
Charging StrategySelf-adaption to BMS
DC Component MonitoringYes
DC Injection Current (% of In)<0.5
DC Reverse Polarity ProtectionYes
European Efficiency97.0 %
Generator SupportYes (Diesel)
Grid Connection Form3L+N+PE
Insulation Impedance DetectionYes
Inverter TopologyNon-Isolated
Max. AC Output Apparent Power19800 VA
Max. AC Output Current30/28.7 A
Max. Charge Current330 A
Max. Continuous AC Pass-Through Current70 A
Max. Discharge Current330 A
Max. Efficiency97.6 %
Max. Input Short-Circuit Current54+54 A
Max. Operating PV Input Current36+36 A
Max. PV Access Power36000 W
Max. PV Input Power28800 W
Max. PV Input Voltage800 V
Number of MPPTs2
MPPT Efficiency>99 %
MPPT Voltage Range160-650 V
Number of Battery Inputs2
Overvoltage CategoryOVC II(DC), OVC III(AC)
Parallel Units10
Peak Power (Multiple × Duration)2*10 s
Power Factor Range (Leading to Lagging)0.8-0.8
Rated AC Output Active Power18000 W
Rated AC Output Current27.3/26.1 A
Rated Grid Frequency50/45-55, 60/55-65 Hz
Rated Output Voltage220/380, 230/400 V
Rated PV Input Voltage550 V
Residual Current DetectionYes
Startup Voltage160 V
Strings per MPPT2+2
Surge Protection LevelTYPE II(DC), TYPE II(AC)
Current Total Harmonic Distortion (THDi)<3 %
Unbalanced Output Capability100 %
Unbalanced Output per Phase50 %
Warranty (Years)10

🔧Mechanical Specifications

Cabinet Dimensions456 x 750 x 268.5 mm
Communication InterfacesRS485, CAN, Wi-Fi
DC SwitchYes
LCD/LED DisplayLCD
Monitoring ModesGPRS, Wi-Fi, Bluetooth, 4G, LAN (optional)
Weight51.9 kg

🌡️Environmental Specifications

Derating Start Temperature45 °C
IP RatingIP65
Noise Level<60 dB
Operating Temperature Range-40 to 60 °C
Max. Operating Altitude3000 m
Permissible Ambient Humidity0-100 %
Thermal ProtectionYes
Cooling TypeIntelligent Air Cooling

✅Certifications

IEC 61727IEC 62116CEI 0-21EN 50549NRS 097RD 140UNE 217002OVE-Richtlinie R25G99VDE-AR-N 4105IEC 61000-6-1EN 61000-6-1IEC 61000-6-2EN 61000-6-2IEC 61000-6-3EN 61000-6-3IEC 61000-6-4EN 61000-6-4IEC 62109-1EN 62109-1IEC 62109-2EN 62109-2