Shelly 1PM Gen4
Shelly 1PM Gen4 - Image 2
Shelly 1PM Gen4 - Image 3
Shelly 1PM Gen4 - Image 4
Shelly 1PM Gen4 - Image 5

Shelly 1PM Gen4

£19.99

1 in stock

Categories: , , , Tag: Brand:

Overview

Shelly 1PM Gen4 is a compact single-channel smart relay with integrated power monitoring, designed for switching and measuring electrical loads up to 16 A. It provides real-time power and energy monitoring, making it suitable for lighting circuits, sockets, heaters, and other appliances where consumption tracking and automation are required.

As part of the Shelly Gen4 platform, the device supports Wi-Fi, Zigbee, Bluetooth, and Matter connectivity, allowing it to operate either hub-free or within a larger smart home system. Its compact design allows easy installation behind switches or sockets, while the upgraded Gen4 processor delivers faster response times and reliable automation performance.

Key features

  • Single-channel smart relay rated up to 16 A
  • Integrated real-time power and energy monitoring
  • Multi-protocol connectivity: Wi-Fi, Zigbee, Bluetooth, Matter
  • Matter-certified with Apple Home support via Matter
  • Compact retrofit design for installation behind switches or sockets
  • Supports AC and low-voltage DC power supply
  • Acts as a Wi-Fi and Zigbee extender and Bluetooth gateway
  • Supports schedules, scenes, and local automations
  • Supports MQTT, WebSocket, HTTPS, UDP, and scripting

Product information

Use cases
  • Smart Appliance Control
  • Control high-power appliances such as heaters, kettles, or sockets with smart automation.
  • Energy Monitoring
  • Track electricity consumption of individual circuits to optimise energy usage.
  • Retrofit Smart Home Upgrades
  • Install behind switches or sockets to add smart control and energy monitoring without major rewiring.
Technical specifications
Power
Power Supply (AC)
110–230 V AC ±10%, 50/60 Hz
Power Supply (DC)
24–30 V DC
Power Consumption
< 1 W
Switching
Max Switching Voltage
240 V AC / 30 V DC
Max Switching Current
16 A (AC) / 10 A (DC)
Measurement & Protection
Power Monitoring
Yes
Device Temperature Protection
Yes
Overload Protection
Yes
Dry Contacts
No
Roller Shutter Mode
No
Connectivity – Wi-Fi
Protocol
802.11 b/g/n/ax (2.4 GHz)
Range
Up to 30 m indoors, up to 50 m outdoors
Connectivity – Zigbee
Protocol
IEEE 802.15.4
Repeater Function
Yes
Range
Up to 100 m indoors, up to 300 m outdoors
Connectivity – Bluetooth
Protocol
Bluetooth 4.2
Range
Up to 10 m indoors, up to 30 m outdoors
Environmental
Operating Temperature
−20 °C to 40 °C
Physical
Dimensions
37 × 42 × 16 mm
What’s included
  • Shelly 1PM Gen4
  • User guide

Related products