Deye

Deye SUN-MI-RELAY-01 V3 Premium Relay for Microinverters (Firmware 2.32-D1)

SKU: 2622

✓︎ Meets grid protection requirements per VDE-AR-N 4105 – mandatory for the G3 series
✓︎ Built-in WiFi – monitor grid status anytime via your browser
✓︎ Rugged IP66 housing for reliable outdoor use

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Deye SUN-MI-RELAY-01 V3 Premium Relay for Microinverters (Firmware 2.32-D1)

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Description

The Deye SUN-MI-RELAY-01 is an external grid and system protection device (grid protection relay) specifically designed for the safe operation of Deye microinverters. It continuously monitors grid voltage and grid frequency and automatically disconnects your system from the grid as soon as the values leave the permissible range. Once stable grid conditions are restored, the device automatically reconnects.

Key Benefits for Your System

Standard-compliant grid protection: Meets the requirements of VDE-AR-N 4105 and is mandatory for the SUN-M60/80/100G3-EU-Q0 microinverters.
Automatic grid monitoring: Automatically disconnects in the event of overvoltage, undervoltage, or frequency deviation, and reconnects once conditions normalize.
Built-in WiFi: Conveniently monitor grid and connection status via your browser using the device's own web interface.
Rugged IP66 housing: Reliable outdoor operation across a temperature range of -30 °C to +60 °C.

Easy Installation and Reliable Protection

Installation is straightforward thanks to pre-installed quick-connect connectors: the plug (A) of the relay is connected to the socket of the microinverter, the AC plug is then connected to the socket (B) of the relay, and finally to the household outlet. The connectors are compatible with all Deye microinverters – for the G4 series, only an additional adapter is required. Important: The SUN-M60G3-EU-Q0, SUN-M80G3-EU-Q0, and SUN-M100G3-EU-Q0 microinverters may only be commissioned with the relay kit installed. Using the built-in WiFi interface, you can integrate the device into your home network and keep an eye on grid status and system data at all times. This combines standard-compliant system protection with convenient remote monitoring – for safe and compliant operation of your balcony power plant or PV system.

GENERAL DATA (Basic device information)
Manufacturer	Deye
Model	SUN-MI-RELAY-01
Device type	Grid and system protection device (grid protection relay)
Compatible inverters	Deye microinverters (G4 series with additional adapter)
Protection rating	IP66
Ambient temperature	-30 °C to +60 °C (power derating above 45 °C)
Humidity	5% – 100% RH
Dimensions (W×H×D)	111 × 95 × 37.7 mm (excluding connectors and mounts)
Weight	300 g
AC INPUT (Inverter side)
Rated voltage	220 V / 240 V
Rated frequency	50 / 60 Hz
Max. AC current	16 A
AC OUTPUT (Grid side)
Rated voltage	220 V / 240 V
Rated frequency	50 / 60 Hz
Max. AC current	16 A
Rated AC current	16 A
COMMUNICATION & WIFI (Monitoring)
Communication	Wireless / WiFi
Frequency range	2,400 – 2,500 GHz
Max. WiFi transmit power	16 dBm ± 2.0 dBm
Antenna	External antenna
Antenna gain	2 dBi
STANDARDS & SAFETY (Compliance)
Safety / EMC standard	IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2, VDE-AR-N 4105