Smart relay Shelly Relay EM Mini Gen4 1-channel Wi‑Fi Matter Zigbee Bluetooth 8A, 110–240V, energy meter

Shelly Relay EM Mini Gen4 is a compact 1-channel smart relay with integrated energy metering and multi-protocol connectivity (Wi‑Fi, Matter, Zigbee, Bluetooth). Designed for indoor installations, it accepts 110–240 V AC input, supports remote operation and includes overheat protection. The relay is housed in plastic and has small dimensions suitable for mounting inside junction boxes or behind switches.

Advantages

The device combines a one-channel switching relay with built-in energy measurement, enabling control and consumption monitoring from a single module. Multi-protocol connectivity ensures flexible integration with smart home ecosystems. Its compact plastic housing and small footprint make installation in confined spaces straightforward, while overheat protection improves operational safety.

Suitable for

• Automating lighting circuits
• Controlling small household appliances
• Measuring energy consumption of a single circuit
• Integration with Wi‑Fi, Matter, Zigbee or Bluetooth smart home setups

Key specifications

• Channels: 1
• Rated current: 8 A
• AC input voltage: 110–240 V
• Built-in energy meter: yes
• Connectivity: Wi‑Fi, Matter, Zigbee, Bluetooth
• Maximum indoor range: 30 m
• Operating temperature range: -20 to 40 °C
• Operating relative humidity: 30–70%
• Housing material: plastic
• Colour: white
• Dimensions (L×W×H): 29 × 16 × 34 mm

How to use

Install the relay inside an appropriate indoor junction box or behind a switch, ensuring the input voltage is within 110–240 V AC and the connected load does not exceed 8 A. Connect line, neutral and load conductors according to the wiring diagram provided by the manufacturer, then pair the device to your chosen smart home network (Wi‑Fi, Matter, Zigbee or Bluetooth) using the Shelly app or supported controller. Monitor energy consumption through the app and control the relay remotely once pairing is complete.

Recommendations

Ensure installation is performed by a qualified electrician. Verify that ambient temperature and humidity remain within the specified ranges and do not exceed the rated current. Leave sufficient space around the device for ventilation and avoid exposure to moisture.