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In the same series:Large-Capacity Solar Power Inverters (3 kW – 136 kW)On-Grid Inverters

DEYE SUN-70K-G03 Commercial String Inverter

Deye 70 kW Three-Phase String Solar Inverter SUN-70K-G03

70kW three phase string inverter with 98.7% efficiency and 6 MPPT channels.

Authorised Deye distributor for the Middle East — certificate No. GFKFLFI1.

Deye SUN-70K-G03, 70 kW, is also searched as deye inverter.

  • Rated AC Output Active Power: 70000 W
  • Max. Efficiency: 98.7 %
  • Number of MPPTs: 4
  • Grid Connection Form: 3L+N+PE
AED 27,500incl. VAT

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Deye 70 kW Three-Phase String Solar Inverter SUN-70K-G03 features

98.7% Efficiency

Maximum energy conversion

6 MPPT Channels

Optimal string performance

Anti-PID

Protects panel performance

VSG Support

Virtual Synchronous Generator

4000m Altitude

High altitude operation

Multiple Monitoring

GPRS, WiFi, Bluetooth, 4G, LAN

About the Deye 70 kW Three-Phase String Solar Inverter SUN-70K-G03

The Deye SUN-70K-G03 is a three-phase string inverter of the G03 series, wired 3L+N+PE, whose rated AC output active power is 70 kW, a size that suits an irrigation pumping station, a packing plant or a mid-sized industrial roof. Four MPPT trackers, each holding four strings at up to 40 A, receive as much as 91 kW of maximum PV input power, a DC figure deliberately above the AC rating so the array keeps the machine near full output through hazy hours. The 200-850 V tracking range, the 250 V startup and a 1000 V input limit define how long the strings may be. AC output is 220/380 V or 230/400 V at 50 or 60 Hz, 77 kVA apparent, 106.1 A rated per phase, with THDi under 3%, power factor adjustable from 0.8 leading to 0.8 lagging and 98.7% peak efficiency. It weighs 81 kg, seals to IP65, works to 4000 m, and the stated warranty runs 5 years. We are an authorised Deye distributor and supply the SUN-70K-G03 from our own stock, with technical support before and after the sale.

Specifications last updated 24 January 2026

Deye 70 kW Three-Phase String Solar Inverter SUN-70K-G03 full specifications

Electrical

AC Output Overcurrent ProtectionYes
AC Output Overvoltage ProtectionYes
AC Output Short-Circuit ProtectionYes
AC Voltage Tolerance (×Un)0.85-1.1
Anti-Islanding ProtectionYes
Anti-PID FunctionOptional
Arc Fault Circuit Interrupter (AFCI)Optional
DC Component MonitoringYes
DC Injection Current (% of In)<0.5
DC Reverse Polarity ProtectionYes
European Efficiency98.1 %
Grid Connection Form3L+N+PE
Insulation Impedance DetectionYes
Inverter TopologyNon-Isolated
Max. AC Output Apparent Power77000 VA
Max. AC Output Current116.7/111.6 A
Max. Efficiency98.7 %
Max. Input Short-Circuit Current60+60+60+60 A
Max. Operating PV Input Current40+40+40+40 A
Max. PV Input Power91000 W
Max. PV Input Voltage1000 V
Number of MPPTs4
MPPT Efficiency>99 %
MPPT Voltage Range200-850 V
Overvoltage CategoryOVC II(DC), OVC III(AC)
Power Factor Range (Leading to Lagging)0.8-0.8
Rated AC Output Active Power70000 W
Rated AC Output Current106.1/101.5 A
Rated Grid Frequency50/45-55, 60/55-65 Hz
Rated Output Voltage220/380, 230/400 V
Rated PV Input Voltage600 V
Residual Current DetectionYes
Startup Voltage250 V
Strings per MPPT4+4+4+4
Surge Protection LevelTYPE II(DC), TYPE II(AC)
Current Total Harmonic Distortion (THDi)<3 %
Virtual Synchronous Generator (VSG) SupportYes
Warranty (Years)5
Zero Export SupportYes

Mechanical

Cabinet Dimensions824 x 516 x 312.7 mm
Communication InterfacesRS485, RS232, Wi-Fi, LAN
DC SwitchYes
LCD/LED DisplayLCD 240 x 160
String MonitoringOptional
Weight81 kg

Environmental

IP RatingIP65
Noise Level<55 dB
Operating Temperature Range-25 to 60 °C
Max. Operating Altitude4000 m
Permissible Ambient Humidity0-100 %
Thermal ProtectionYes
Cooling TypeIntelligent Air Cooling

Certifications

  • IEC 61727
  • IEC 62116
  • CEI 0-21
  • CEI 0-16
  • EN 50549
  • NRS 097
  • RD 140
  • UNE 217002
  • OVE-Richtlinie R25
  • G99
  • VDE-AR-N 4105
  • VDE-AR-N 4110
  • IEC 61000-6-1
  • EN 61000-6-1
  • IEC 61000-6-2
  • EN 61000-6-2
  • IEC 61000-6-3
  • EN 61000-6-3
  • IEC 61000-6-4
  • EN 61000-6-4
  • IEC 62109-1
  • EN 62109-1
  • IEC 62109-2
  • EN 62109-2

Troubleshooting & error codes

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