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Shelly

Shelly 1 Mini Gen4

SKU 3800238070786

For a light or small load in a shallow UK back box. The Shelly 1 Mini Gen4 measures 29 x 34 x 16 mm and switches up to 8 A, with no power reading.

Manufacturer: Shelly
£16.20 inc VAT

Key features

Wi-Fi Bluetooth Zigbee
  • Switches loads up to 8 A
  • Wi-Fi, Bluetooth and Zigbee connectivity
  • Powered from 110 - 240 V~
  • Up to 20 schedules, plus scripting, MQTT and webhooks
  • Overheating protection
  • Fits in a wall box behind the switch
  • Set up and run from the Shelly Smart Control app
Product details Manual

Why Shelly 1 Mini Gen4

The Shelly 1 Mini Gen4 measures 29 x 34 x 16 mm and switches up to 8 A, with no power reading

Load rating

Switches loads up to 8 A. The manual lists the limits for lamps, motors and other load types.

Connectivity

Connects over Wi-Fi, Bluetooth and Zigbee. Setup runs from the phone, then the device joins the home network.

Local automation

Up to 20 schedules, scripting, MQTT and webhooks run on the device itself, so routines keep working if the internet drops.

Built-in protection

Overheating protection cuts the output before the device or the load is put at risk.

Hidden install

Small enough to sit in the wall box behind an existing switch, so the room looks the same.

Shelly Smart Control

Add the device, name it and build scenes from the free app on iPhone or Android.

What the Shelly 1 Mini Gen4 does

The Shelly 1 Mini Gen4 is the smallest Shelly dry-contact relay, made for tight wall boxes and fittings.

Good for:

  • Lights and small appliances up to 8 A
  • Dry-contact control of low-voltage equipment
  • Switching inside crowded back boxes

Key facts

  • Switching: 8 A/240 V~; 5 A/30 V⎓
  • Output power: 2000 W/240 V~; 150 W/30 V⎓
  • Power supply: 110 - 240 V~
  • Size: 29x34x16 ±0.5 mm / 1.34x1.11x0.63 ±0.02 inch

Works with

Runs from the Shelly Smart Control app and works with Amazon Alexa, Google Home and Home Assistant, with no hub needed. Shelly Gen4 devices also support Matter, which works with Apple Home. Connectivity: Wi-Fi, Bluetooth, Zigbee, Matter.

Pairs well with

Also consider

Browse Relays & dimmers, Shelly Mini, all Shelly and what Shelly is.

Guides: How to fit a Shelly Mini behind a UK light switch and Shelly 1L vs Mini: no-neutral UK light switches

Questions

Do I need a hub for the Shelly 1 Mini Gen4?

No. It connects to your home Wi-Fi directly.

Should an electrician fit it?

We recommend a qualified electrician for anything connected to mains wiring. The manual is linked on this page.

Will the Shelly 1 Mini Gen4 fit in a UK back box?

The body measures 29 x 34 x 16 mm. Whether it fits depends on the box depth and the cables already in it.

What's the maximum load?

It switches up to 8 A at 240 V.

Shelly Smart Control

One free app for every device

This device is added and run from Shelly Smart Control, the free app for iPhone and Android.

  • Rooms, groups and scenes for the whole home
  • Live power readings on devices that measure energy
  • Control away from home, or keep it on the local network

iPhone needs iOS 15 or later. The app is published by Shelly.

Shelly Smart Control on two phones, showing room energy use and live device status.