The Shelly EM Mini Gen4 is a compact energy consumption meter module. It combines the flexible functionality of Gen3 firmware with the features of several Shelly EM devices, offering professional integrators new possibilities when creating end-customer solutions. The device can operate standalone in a local Wi-Fi network or through cloud-based automation platforms such as MQTT, HTTP, or WebSocket. All inbound connections are secured with TLS encryption.
This model is an upgraded version of the Shelly PM Mini Gen3, featuring a more advanced processor and Zigbee communication.
The Shelly EM Mini Gen4 allows remote access, configuration, and real-time monitoring for the user. It also includes a built-in web interface for control, monitoring, and customization.
The device is equipped with a multi-protocol wireless controller, enabling Zigbee and Bluetooth connectivity for reliable and secure communication. It is also fully compatible with the Matter standard.
About Shelly
Shelly is a European smart home brand offering relays, energy meters, sensors, and controllers. The Gen4 product line – which includes the EM Mini – is known for its multi-protocol connectivity and Matter compatibility, ensuring easy integration with other ecosystems.
Main Product Features
- Energy monitoring: Compact device (max. 16 A) providing real-time power measurement.
- Firmware flexibility: Offers Gen4 firmware advantages with expansion options for professionals.
- Compact size: Fits into tight spaces where other devices cannot.
- Advanced processor: Provides faster operation and improved Zigbee connectivity.
- Zigbee option: Zigbee setup support during installation.
- Embedded web interface: Built-in platform for monitoring and configuration.
- BLE Gateway function: Acts as a bridge between Shelly BLU devices and other systems.
- Wi-Fi & Zigbee repeater: Extends signal for better coverage.
- Scripting: Supports ShellyScript for custom automations.
- Integrations: Supports HTTP API, MQTT, Webhook (HTTP/HTTPS), UDP.
Smart Home Protocols & Platform Compatibility
- Supported protocols & standards: Wi-Fi, Bluetooth, Zigbee – multi-protocol operation. Matter standard compatible.
- Local operation: Full functionality without internet connection.
- BLE Gateway: Transfers Bluetooth signals locally or via cloud.
- Signal extension: Boosts Wi-Fi and Zigbee range for broader coverage.
- Third-party integrations: Supports MQTT, HTTP API, Webhook, UDP.
- Matter compatibility: Easy integration with Apple HomeKit, Google Home, SmartThings.
- Voice control: Indirect support via Alexa, Google Assistant, Siri.
Smart Functions
- Real-time energy monitoring.
- Local & cloud-based automation, e.g. triggering a scene when a threshold is reached.
- Scripting options for advanced automations.
- Signal boosting to improve system coverage.
- Remote access via the built-in web interface.
Electrical Features
- Power supply: 110–240 V AC.
- Maximum current: 16 A (max. 3840 W). Accuracy: ±1 %.
- Circuit: 2 output load points with internal bridging.
- Power consumption: less than 1 W during operation.
Other Features
- Compact design (29 × 34 × 16 mm, approx. 13 g).
- Suitable for narrow installation spaces, e.g. inside wall boxes.
- Simultaneous multi-protocol use – high integration flexibility.
- Reliable data management, with local storage in case of network outages.
