Shelly 1PM Gen3 Wi-Fi Smart Switch with Power Monitoring 16A
The Shelly 1PM Gen3 is a compact Wi-Fi-operated smart relay switch with real-time power monitoring, designed to remotely control and automate a wide range of electrical appliances including lighting, heating, water heaters, and more. With no hub required, the device connects directly to your home Wi-Fi network and works standalone or integrates seamlessly with cloud home automation services. Perfect for Australian homes looking to save energy and add smart control to existing electrical installations.
Why You'll Love the Shelly 1PM Gen3
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Real-Time Power Monitoring: Track energy consumption with precise power metering and free cloud data storage for detailed analysis and energy optimisation
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Enhanced Gen3 Technology: Features the new ESP-Shelly-C38F processor with 8 MB memory for faster performance and improved reliability
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Matter Certified: Full Matter support after firmware update for seamless integration with Apple Home, Google Home, Amazon Alexa, and more
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No Hub Required: Connects directly to Wi-Fi (802.11 b/g/n) with Bluetooth 4.2 for quick setup via the Shelly Smart Control app
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Compact Retrofit Design: Small form factor fits behind standard power sockets, light switches, and in electrical wall boxes with limited space
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Advanced Automation: Supports scripting (mJS), webhooks, MQTT, WebSocket, HTTPS, UDP, TLS, custom certificates, and KNXnet/IP communication
Smart Home Automation Made Easy
Transform your home into a smart home in under 10 minutes. The Shelly 1PM Gen3 allows you to create custom schedules based on your daily routine, control devices remotely from anywhere with internet access, and set scenes by combining it with other Shelly devices. Use it to automate lighting, control space heaters, monitor appliance power consumption, manage water heater operation, or automate underfloor heating for maximum comfort and energy efficiency.
Advanced Power Monitoring & Energy Efficiency
With precise real-time power metering, the Shelly 1PM Gen3 helps you identify energy-hungry appliances and make informed decisions to reduce your electricity bills. All power consumption data is stored in the free Shelly Cloud for detailed analysis and tracking over time. Perfect for Australian households looking to optimise energy usage and lower running costs.
Wide Compatibility & Integrations
The Shelly 1PM Gen3 works with all major smart home platforms and voice assistants including Amazon Alexa, Google Home, Apple HomeKit (via Matter), Samsung SmartThings, Home Assistant, and more. It also functions as a Wi-Fi range extender and Bluetooth gateway, bridging your Shelly BLU devices to the wider Shelly ecosystem.
What's in the Box
- Shelly 1PM Gen3 smart relay switch
- Quick start guide
Full Specifications
General
| Device Model |
S3SW-001P16EU |
| Device Type |
1-channel Wi-Fi smart relay with power monitoring |
| Processor |
ESP-Shelly-C38F chip |
| Memory |
8 MB |
| Warranty |
3 years |
Electrical
| Power Supply |
110-240V AC ±10%, 50/60 Hz or 24-30V DC |
| Maximum Load |
16A / 3680W (at 230V AC) |
| Power Measurement |
Yes, real-time with high precision |
Connectivity
| Wi-Fi |
802.11 b/g/n (2.4 GHz) |
| Bluetooth |
BLE 4.2 |
| Matter Support |
Yes (after firmware update) |
| BLE Model ID |
0x1019 |
| Device SSID |
Shelly1PMG3-XXXXXXXXXXXX |
Smart Features & Integrations
| Voice Control |
Amazon Alexa, Google Home, Apple HomeKit (via Matter) |
| Home Automation |
Home Assistant (local), Samsung SmartThings, Apple Home, Google Home |
| Protocols |
MQTT, HTTP/HTTPS REST API, WebSocket, UDP, TLS, KNXnet/IP |
| Scripting |
mJS (custom scripts supported) |
| Webhooks |
20 webhooks with 5 URLs per hook |
| Scheduling |
Complex scheduling with date, time, weekday configuration |
| Wi-Fi Range Extender |
Yes |
| Bluetooth Gateway |
Yes (for Shelly BLU devices) |
Installation & Mounting
| Mounting |
Behind power sockets, light switches, in electrical wall boxes |
| Form Factor |
Small, compact design for retrofit installations |
| Terminal Type |
Screw terminals with improved durability |
| Conductor Cross Section |
0.5 to 2.5 mm² / 20 to 14 AWG |
Specifications are sourced from the official manufacturer product page and may be updated.