Shelly 1PM Mini Gen4
£23.79
The Shelly 1PM Mini Gen4 pairs the compact retrofit relay format of the 1 Mini with real-time power metering, switching up to 8A at 240V AC. It supports Wi-Fi, Bluetooth, Zigbee and Matter (including Apple HomeKit), and stores energy usage data to the free Shelly cloud for analysis over time.
- Real-time power metering with free cloud data storage
- Multiprotocol: Wi-Fi, Bluetooth, Zigbee and Matter (HomeKit)
- Switches up to 8A at 240V AC
- Built-in voltage, current and overpower protection cutoffs
Buy the Shelly 1PM Mini Gen4 online in the UK from ShellyUK — genuine Shelly stock with fast UK delivery.
The smallest relay switch in the world for smart control and precise power monitoring. Automate your lights or small electrical appliances in less than 10 minutes and control and monitor them from anywhere. Small enough to fit behind any wall switch or socket, the Shelly 1PM Mini Gen4 can be retrofitted and is highly compatible with your existing smart ecosystem.
Shelly 1PM Mini Gen4 brings powerful upgrades to the popular Shelly 1PM Mini device. With new multiprotocol connectivity, you can choose the protocol that best suits your home network - Zigbee, Matter, WiFi, or Bluetooth. An improved processor ensures faster responses and smoother performance of your automations. Shelly 1PM Mini Gen4 continues to be the perfect retrofit solution for your lights and appliances, now with enhanced compatibility and speed, all in its usual compact and easy-to-install design.
Experience next-level smart home automation with Shelly Gen4 devices. Gen4 devices offer multi-protocol connectivity, featuring WiFi, Bluetooth, Zigbee, and Matter. Choose your connection and set up your Shelly device to work with your preferred smart home network.
- Precise and real-time power metering with free cloud data storage for analysis and energy usage optimization.
- New processor - ESP-Shelly-C68F chip with an increased memory of 8MB
- New - Multiprotocol connectivity: Choose from Bluetooth, WiFi or Zigbee
- New - Matter certified.
- New - Works with Apple Homekit: Control connected devices using the Apple Home app or Siri through Matter
- Improved durability of terminals
- Supports up to 8A at 240V AC
- WiFi/Zigbee 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 system
- Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
Real-time power metering with free cloud data storage
Multiprotocol: Wi-Fi, Bluetooth, Zigbee and Matter (HomeKit)

Switches up to 8A at 240V AC
Built-in voltage, current and overpower protection cutoffs
Where you'd use it
Per-Circuit Energy Logging
Fit behind a switch to control a lighting circuit or appliance while logging its power draw to the cloud for later analysis of usage patterns.
Faulty Appliance Detection
Watch for an unexpected spike in a monitored appliance's power draw as an early warning that it's starting to fail.
HomeKit Retrofit
Add native Apple Home control to an existing switch circuit via Matter, alongside the option to fall back to WiFi or Zigbee if needed.
Specification
Connectivity
- Webhooks (URL actions)
- 20 with 5 URLs per hook
- MQTT
- Yes
- Wireless/WiFi Protocol
- 802.11 b/g/n/ax (2.4 GHz)
- Wi-Fi Range (depending on local construction) • up to
- 50m/160ft outdoors • up to 30m/100ft indoors
- Zigbee Protocol
- 802.15.4
- Zigbee Repeater
- Yes
- Zigbee RF Bands
- 2400-2483.5 MHz
- Zigbee Range (depending on local construction) • up to
- 300m outdoors • up to 100m indoors
- Bluetooth Protocol
- 4.2
- Bluetooth Range (depending on local construction) • up to
- 30m/100ft outdoors • up to 10m/33ft indoors
Protection & Safety
- External protection
- 10A, tripping characteristic B or C 6kA interrupting rating Energy limiting class 3
- Voltage protection / Cutoff
- Yes
- Current protection / Cutoff
- Yes
- Max power protection / Cutoff
- Yes
Physical & Build
- (H x W x L)
- 29 x 35 x 16 ±0.5 mm 1.11 x 1.35 x 0.63 ±0.02 in
Environmental
- Humidity
- 30% to 70% RH
Power & Electrical
- Power supply
- 110-240V ±10% 50/60Hz AC
- Max switching voltage
- AC 240V
- Max switching voltage
- DC N/A
- Power consumption < 1.2W
Smart Features
- Power measurement
- Yes
Other
- Max switching current
- AC 8A
- Max switching current
- DC N/A
- Max switching power
- AC 2000W
- Max switching power
- DC N/A
- Clean contact relay
- No
- Internal-temperature sensor
- Yes
- Ambient temperature
- -20°C to 40°C / -5°F to 105°F
- Schedules
- 20
- UDP
- Yes
- Scripting
- Yes
- Frequency
- 2402-2480 MHz








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