DEYE SUN-M40G4-EU-Q0-I Microinverter

Solar InvertersModel SUN-M40G4-EU-Q0-I

Deye 400 W Single-Phase Micro Solar Inverter SUN-M40G4-EU-Q0-I

400W microinverter with single MPPT, IP67 protection, and <100ms AC discharge.

Deye SUN-M40G4-EU-Q0-I, 400 W, is also searched as deye inverter.

  • Rated AC Output Active Power: 400 W
  • Max. Efficiency: 96.5 %
  • Number of MPPTs: 1
  • Grid Connection Form: L+N+PE
AED 279incl. VAT

In stock

  • Delivered within 3 business days, door to door, to every market we serve.
  • Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
  • Delivery charge: AED 25
  • 10-year warranty
  • Authorised Deye distributor for the Middle East — certificate No. GFKFLFI1.
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Deye 400 W Single-Phase Micro Solar Inverter SUN-M40G4-EU-Q0-I features

  • Single MPPT

    Module-level optimization

  • Integrated WiFi

    Built-in monitoring

  • <100ms Discharge

    DIN VDE V 0126-95 compliant

  • IP67 Protection

    Fully weatherproof

  • Balcony Ready

    Quick-plug installation

  • 25-Year Design

    10-year warranty

About the Deye 400 W Single-Phase Micro Solar Inverter SUN-M40G4-EU-Q0-I

Rated at 400 W of AC output active power, the Deye SUN-M40G4-EU-Q0-I is a single-phase micro-inverter in the Micro (M) range that converts the output of one photovoltaic module on the roof itself. Its single tracker takes a panel of 210 W to 560 W and up to 560 W of PV input power, which covers almost every full-size residential module now sold, and it wakes at a 20 V startup voltage inside a 25 V to 55 V tracking window. Thirteen units may be connected in parallel on one AC branch, each pushing 1.9/1.8 A. There is no fan and no moving part: cooling is natural, audible noise stays under 25 dB, and the potted IP67 body of 1.85 kg tolerates humidity of 0 to 100% and altitudes to 2000 m. Deye states a 10-year warranty. We are an authorised Deye distributor and supply the SUN-M40G4-EU-Q0-I from our own stock, with technical support before and after the sale.

Specifications last updated 24 January 2026

Deye 400 W Single-Phase Micro Solar Inverter SUN-M40G4-EU-Q0-I full specifications

Electrical(36)

AC Fast Discharge Time<100 ms
AC Output Overcurrent ProtectionYes
AC Output Overvoltage ProtectionYes
AC Output Short-Circuit ProtectionYes
AC Voltage Tolerance (×Un)0.85-1.1
Anti-Islanding ProtectionYes
DC Injection Current (% of In)<0.5
DC Reverse Polarity ProtectionYes
European Efficiency96.0 %
Grid Connection FormL+N+PE
Insulation Impedance DetectionYes
Inverter TopologyIsolated
Max. AC Output Apparent Power400 VA
Max. AC Output Current1.9/1.8 A
Max. Efficiency96.5 %
Max. Input Short-Circuit Current22.5 A
Max. Operating PV Input Current15 A
Max. PV Input Power560 W
Max. PV Input Voltage60 V
Number of MPPTs1
MPPT Efficiency>99 %
MPPT Voltage Range25-55 V
Overvoltage CategoryOVC II(DC), OVC III(AC)
Parallel Units13
Power Factor Range (Leading to Lagging)0.9-0.9
Supported PV Module Power1 x 210-560 W
Rated AC Output Active Power400 W
Rated AC Output Current1.9/1.8 A
Rated Grid Frequency50/45-55, 60/55-65 Hz
Rated Output Voltage220/230 V
Rated PV Input Voltage42.5 V
Startup Voltage20 V
Strings per MPPT1
Surge Protection LevelTYPE II(AC)
Current Total Harmonic Distortion (THDi)<3 %
Warranty (Years)10

Mechanical(3)

Cabinet Dimensions173 x 158.5 x 31.5 mm
Communication InterfacesWi-Fi
Weight1.85 kg

Environmental(7)

IP RatingIP67
Noise Level<25 dB
Operating Temperature Range-40 to 65 °C
Max. Operating Altitude2000 m
Permissible Ambient Humidity0-100 %
Thermal ProtectionYes
Cooling TypeNatural Cooling

Certifications(22)

  • IEC 61727
  • IEC 62116
  • CEI 0-21
  • EN 50549
  • NRS 097
  • RD 140
  • UNE 217002
  • OVE-Richtlinie R25
  • G98
  • VDE-AR-N 4105
  • 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

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

Is the Deye SUN-M40G4-EU-Q0-I suitable for the Middle East climate?

Yes. The SUN-M40G4-EU-Q0-I is rated -40 to 65 °C, with derating above 45 °C, which covers the heat and dust of the Gulf, North Africa and the wider MEA region. Mount it in shade for the best summer output. Its IP 67 rating handles dust and humidity.

How many panels can I connect?

Each microinverter supports 1 solar panel of 210-560W, with a single MPPT tracker for optimization. Up to 13 units can be connected per branch.

What is the <100ms AC discharge feature?

On the SUN-M40G4-EU-Q0-I, the AC side discharges in under 100 ms when the unit shuts down, protecting anyone working on the system during maintenance or an emergency.

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