Shelly 1PM Gen4

The Shelly 1PM Gen4 is a next-generation smart relay switch with power monitoring that combines intelligent automation with accurate energy measurement. Featuring Wi-Fi, Zigbee, Bluetooth, and Matter connectivity, it enables remote control, real-time electricity monitoring, and advanced automations for lighting, appliances, and electrical circuits.

Designed to fit behind standard wall switches and sockets, the Shelly 1PM Gen4 upgrades existing electrical installations without changing the look of your home. Whether you're building a smart home or improving energy efficiency, it delivers professional-grade performance in a compact form factor.

Control Your Electrical Devices from Anywhere

Transform traditional switches into intelligent controls using the Shelly 1PM Gen4. Turn connected devices on or off remotely, automate daily routines, and control electrical equipment directly from your smartphone, tablet, or voice assistant.

• Remote ON/OFF control
• Works behind existing wall switches
• No hub required over Wi-Fi
• Supports manual switch operation
• Compact retrofit installation

Built-in Power Monitoring

The integrated power monitoring functionality continuously measures real-time electricity consumption, helping you understand how much energy your connected devices use. Track historical usage, identify energy-hungry appliances, and create automations that improve efficiency and reduce electricity costs.

• Real-time energy monitoring
• Historical consumption reports
• Power usage analytics
• Energy-saving automations
• Load monitoring

Wi-Fi, Zigbee & Matter Connectivity

The Shelly 1PM Gen4 supports multiple communication protocols, making it one of the most flexible smart relay modules available.

• Wi-Fi connectivity
• Zigbee 3.0 support
• Matter compatibility
• Bluetooth for fast setup
• Cloud and fully local operation

It integrates seamlessly with Shelly Smart Control, Home Assistant, Google Home, Amazon Alexa, SmartThings, and other Matter-compatible ecosystems.

Create Powerful Smart Home Automations

Automate lighting, electrical outlets, heaters, ventilation systems, pumps, and other connected devices using schedules, timers, scenes, scripting, MQTT, webhooks, and local logic. Trigger actions based on energy consumption, time of day, sensor data, sunrise and sunset, or custom automation rules.

With local scripting support, automations continue operating even if your internet connection is unavailable.

Built-in Safety Features

The Shelly 1PM Gen4 includes integrated protection features designed to improve reliability and safeguard connected devices. Overpower, overvoltage, and overheating protection help ensure safe operation while monitoring electrical loads in real time.

Ideal Applications

• Lighting circuits
• Electrical outlets
• Water heaters
• Electric radiators
• Bathroom fans
• Water pumps
• Kitchen appliances
• Commercial lighting
• Office automation

Why Choose Shelly 1PM Gen4?

• Smart relay switch with integrated power monitoring
• Real-time electricity consumption measurement
• Supports Wi-Fi, Zigbee, Bluetooth and Matter
• Advanced local scripting and automations
• Compact installation behind existing switches
• MQTT, REST API and webhooks support
• Built-in safety protections
• Works with major smart home platforms
• No hub required over Wi-Fi

What is the Shelly 1PM Gen4?

The Shelly 1PM Gen4 is a smart relay switch with power monitoring that enables remote control, automation, and real-time electricity measurement for connected electrical circuits.

Can the Shelly 1PM Gen4 measure energy consumption?

Yes. The integrated energy meter continuously measures power consumption, allowing you to monitor usage, analyze trends, and improve energy efficiency.

Does the Shelly 1PM Gen4 support Matter?

Yes. It supports Matter together with Wi-Fi, Zigbee 3.0, and Bluetooth, ensuring compatibility with the latest smart home ecosystems.

Can I automate devices based on power consumption?

Absolutely. You can create intelligent automations that react to real-time electricity usage, helping optimize energy consumption and automatically control connected devices.

Smarter Control with Built-in Energy Monitoring

The Shelly 1PM Gen4 combines intelligent switching, precise power monitoring, and flexible Wi-Fi, Zigbee, and Matter connectivity in one compact smart relay switch with power monitoring. Whether you're automating lighting, monitoring appliance consumption, or building a professional smart home system, it provides reliable control, advanced automation, and valuable energy insights for every installation.

Delivery and warranty

Shipped from our New Zealand supplier's warehouse, typically dispatched within 2 working days. Full Shelly manufacturer warranty, backed by MEDA support.