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SHELLY - Wi-Fi Smart Power Meter Shelly PM Mini Gen3




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The smallest power meter in the world for precise power monitoring. Automate your lights or electrical appliances in less than 10 minutes and monitor their power consumption from anywhere.

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Designed with convenience in mind, these mini relays have all the capabilities of the Plus series fit into a compact and space-saving form factor. With their size reduced by 35% of the Shelly Plus devices, the Shelly Mini Gen3 are perfect for those tight spaces where traditional relays simply won't fit. Despite their small size, the Shelly Plus Mini devices don't compromise on performance or functionality.

Size does matter!

Shelly Mini Gen3 devices open up a world of possibilities, allowing you to seamlessly integrate them into even the most tightly packed spaces and switch boxes. Thanks to their reduced size, Shelly Mini Gen3 relays fit effortlessly into all kinds of electrical boxes, including Danish wall boxes. Furthermore, they can be discreetly installed directly within the appliance you want to control or monitor.

Wi-Fi Operated

Connect Shelly PM Mini Gen3 to your Wi-Fi network. No HUB required!


Quick inclusion via Bluetooth or use it as a Bluetooth gateway.

Power Monitoring

Provides precise metering of power consumption and helps you save.

Smart Schedules

Set custom schedules based on your daily agenda or follow the sunrise/sunset and control your lighting accordingly.

URL Actions

Let Shelly PM Mini Gen3 directly control other smart devices.


Shelly PM Mini Gen3 fully supports mjS scripting, allowing you to create custom features and functionalities.

Note : Shelly PM Mini Gen3 is only a power meter. There is no relay inside.

FEATURES of Shelly PM Mini Gen3

  • Equipped with a new processor & increased flash memory - ESP Shelly
  • Improved durability of terminals
  • Supports up to 16 A at 240 VAC
  • Precise and real-time power metering with free cloud data storage for analysis and energy usage optimization.
  • Wi-Fi range extender & Bluetooth gateway
  • No hub required! Easy control through the Shelly Smart Control app, most platforms and protocols, as well as voice assistants. Use it with Alexa, Home Assistant or your preferred automation platform
  • Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates


  • Size (HxWxD): 29x34x16 ±0.5 mm 
  • Weight: 13 ±1 g 
  • Mounting: Wall box
  • Screw terminals max torque: 0.4 Nm
  • Conductor cross section: 0.5 to 1.5 mm² / 20 to 16 AWG
  • Conductor stripped length: 5 to 6 mm
  • Shell material: Plastic
  • Color: White
  • Ambient temperature: -20 °C to 40 °C
  • Humidity: 30 % to 70 % RH
  • Power supply: 110 - 240 VAC
  • External protection:
    • 16 A, tripping characteristic B or C,
    • 6 kA interrupting rating,
    • Energy limiting class 3
  • Power consumption: < 1.2 W
  • Output circuits ratings
    • Max measurement voltage: 240 VAC
    • Max measurement current: 16A
    • Max measurement power: 3840 W
    • Max switching power DC: 150 W
  • Power measurement: Yes
  • Voltage protection / Cutoff: No
  • Current protection / Cutoff: No
  • Max power protection / Cutoff: No
  • RF band: 2400 - 2495 MHz
  • Max. RF power: <20 dBm
  • Wi-Fi protocol: 802.11 b/g/n
  • Wi-Fi Range: Up to 30 m indoors and 50 m (Depends on local conditions)
  • Bluetooth Protocol: 4,2
  • Bluetooth Range: Up to 10 m indoors and 30 m (Depends on local conditions)
  • MCU
  • CPU: ESP-Shelly-C38F
  • Flash: 8 MB
  • Webhooks (URL actions): 20 with 5 URLs per hook
  • MQTT: Yes
  • UDP: Yes
  • Scripting: Yes