Shelly 1PM Gen3

The Shelly Plus 1PM Gen3 is a WiFi‑enabled smart relay with a single 16A channel and built‑in power monitoring. Upgraded from the previous Plus 1PM model, it features a faster chipset, more durable terminals, and several overall performance and usability improvements.

£18.49 inc VAT

SKU: 1PM-GEN3 Category:

Compatibility

Shelly 1PM Gen3 is compatible with the following systems:
Wi-Fi Compatible DeviceMatter Compatible

product-page-callout-v2-_support-full-width

Any Questions?

Our technical team is on hand to solve any problems or help you find the ideal solution.

Contact Us

Description

The Shelly Plus 1PM Gen3 offers a significant improvement over the earlier Shelly Plus 1PM, featuring a redesigned chip with 8MB of memory that provides smoother operation, better efficiency, and faster response times. It includes all the capabilities of the original model, such as a 16A relay, built‑in WiFi and Bluetooth, and accurate power‑consumption monitoring. The Gen3 version also adds support for virtual components and can be upgraded to Matter, helping ensure long‑term compatibility within a smart home setup.

Thanks to its compact design, the Shelly Plus 1PM Gen3 can be retrofitted into existing electrical appliances such as lamps and heaters. It fits easily into tight electrical boxes and wall sockets, allowing you to convert them into fully smart, WiFi‑connected devices in as little as ten minutes.

Key features:

  • Built-in WiFi; no hub required
  • Bluetooth connectivity
  • Embedded web server for local management
  • 1 channel switch, 16A
  • Power metering
  • Smart schedules
  • Smart scenes
  • Automatic sunrise/sunset schedules
  • Automatic on/off timer
  • Enhanced security (MQTT, WSS and TLS certificate support)

What’s included:

  • 1 x 1PM-GEN3
  • 1 x Installation guide

Manuals & Data sheets:

 

Product Specifications

Physical and Performance Attributes

Weight27 grams
Dimensions (L x W x H)37 × 42 × 16 mm

Misc Product Attributes

Specifications
Physical
Size (H×W×D) 37×42×16 mm / 1.46×1.65×0.63 in
Weight 27 g / 0.95 oz
Screw terminals max torque 0.4 Nm / 3.5 lbin
Conductor cross section 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and boot‑lace ferrules)
Conductor stripped length 6 to 7 mm / 0.24 to 0.28 in
Mounting Wall console / In‑wall box
Shell material Plastic
Environmental
Ambient working temperature −20°C to 40°C / −5°F to 105°F
Humidity 30% to 70% RH
Max altitude 2000 m / 6562 ft
Electrical
Power supply 110–240 V~
24–30 V
Power consumption < 1.2 W
Output Circuits Ratings
Max switching voltage 240 V~
30 V—
Max switching current 16 A (240 V~)
10 A (30 V—)
Sensors / Meters
Internal temperature sensor Yes
Voltmeter (AC) Yes
Ammeter (AC) Yes
Wi‑Fi
Protocol 802.11 b/g/n
RF band 2401–2483 MHz
Max RF power < 20 dBm
Range Up to 50 m / 165 ft outdoors, up to 30 m / 99 ft indoors (depending on local conditions)
Bluetooth
Protocol 4.2
RF band 2400–2483.5 MHz
Max RF power < 4 dBm
Range Up to 30 m / 100 ft outdoors, up to 10 m / 33 ft indoors (depending on local conditions)
Microcontroller Unit
CPU ESP‑Shelly‑C38F
Flash 8 MB
Firmware Capabilities
Schedules 20
Webhooks 20 with 5 URLs per hook
Wi‑Fi range extender Yes
BLE Gateway Yes
Scripting Yes
MQTT Yes
Encryption Yes