Smart Switch Shelly 1PM Gen4 (Matter)

Smart Relay Shelly 1PM Gen4 (Matter) – Smart Energy Management and Automation in One Device

A compact and powerful smart relay with built-in energy monitoring and support for Matter, Wi-Fi, Zigbee, and Bluetooth. Shelly 1PM Gen4 lets you remotely control lighting, heating devices, pumps, and other appliances up to 16 A while accurately tracking their power usage. It’s compatible with leading smart home platforms and works with both new and existing electrical installations.

Main Features

• Multi-protocol support – Wi-Fi, Zigbee, Bluetooth, and Matter over Wi-Fi for broad compatibility with Google Home, Apple HomeKit, Amazon Alexa, SmartThings, and more.

• Real-time energy monitoring – track and analyze each connected device’s power use (W and kWh).

• Relay with output voltage – designed for direct load control (up to 16 A), perfect for lighting, electric heaters, or home appliances. For a dry contact version, choose Shelly 1 Gen4.

• Zigbee & Wi-Fi repeater + Bluetooth gateway – extends your smart home network and connects to BLE sensors.

• Enhanced safety – includes thermal and overload protection, plus TLS data encryption.

• Offline control – works with Shelly Cloud, Shelly Smart Control, or via local WebUI.

• Scripts and API access – advanced users can automate via MQTT, Webhooks, ShellyScript, KNX, and more.

• Smart schedules – turn devices off at night or power up a heater in the morning automatically.

• Scenes and automations – combine with other devices to create smart scenarios like “Workday Mode” or “Vacation Mode.”

Smart Home Use Cases with Energy Monitoring

Lighting Control with Power Tracking

• Turn lights on or off remotely while seeing real-time energy use.

• Detect burnt-out bulbs by monitoring sudden drops in consumption.

• Compare energy use across rooms to find where you can save the most.

Appliance Monitoring and Automation

• Automate and monitor high-load devices like ovens, washing machines, and dishwashers.

• Use energy data to trigger automations – for example, get a notification when the laundry is done.

• Schedule operation for off-peak or lower energy-rate hours.

Heater and Boiler Control

• Control water heaters, towel dryers, or electric radiators up to 16 A.

• See heating costs in real time and optimize usage to save money.

• Automate based on time of day or temperature sensor readings.

Overload Protection

• Set a maximum power limit – the relay automatically cuts off power if it’s exceeded.

• Protect devices and wiring, especially in older installations.

Commercial and Retail Applications

Energy Optimization in Offices

• Track the power use of shared devices (printers, coffee machines) and reduce energy costs.

• Set automatic shutdowns outside working hours.

Lighting Zones with Energy Analytics

• Group lighting by zones – lobby, storage, corridors.

• Analyze energy use per area to identify cost-saving opportunities.

Preventive Maintenance

• Monitor changes in energy usage – increased or reduced consumption may indicate equipment issues.

• Early detection helps prevent downtime and damage.

Industrial and Technical Applications

Pump and Motor Control with Monitoring

• Automate irrigation or circulation pumps (up to 16 A).

• Track power consumption to identify underperformance or excessive use.

Solar and Off-Grid Systems

• Control loads powered by inverters or battery systems.

• Use power data to optimize operation based on solar production or battery levels.

Who Is It For?

• Homeowners – control and monitor lighting, heating, and electrical devices.

• Apartment residents – easy to install without major electrical work.

• Small businesses – efficient management of energy and connected equipment.

• DIY enthusiasts – full integration with Home Assistant and custom automation via scripting.

Everyday Problems It Solves

• Control devices remotely – from anywhere in the world.

• Save energy by tracking and optimizing power use.

• Stabilize your smart home network – thanks to Wi-Fi and Zigbee repeater functionality.

• Enjoy safe and reliable operation – with built-in protection and encryption.

How to Install Shelly 1PM Gen4 Smart Relay

1. Turn off the power.

2. Connect Shelly 1PM Gen4 to your existing switch, light, or device according to the wiring diagram.

3. Place it inside the wall box behind the switch or socket.

4. Turn the power back on and open the Shelly app.

5. Select your preferred protocol (Wi-Fi, Matter, Zigbee, or Bluetooth) and configure it.

If you’re looking for a reliable and powerful smart relay with built-in energy monitoring and full smart home protocol support, Shelly 1PM Gen4 is exactly what you need – safe, flexible, and ready for the future.