Shelly Plus 1PM - 1-channel smart relay with energy meter, WiFi, app control, compatible with Amazon Alexa, Google Assistant and Home Assistant

Shelly Plus 1PM - Smart relay with Wi-Fi and integrated power meter

The Shelly Plus 1PM is a compact, high-performance device ideal for intelligent appliance control. In addition to the classic switching functions, it also offers accurate energy metering, all in a small enough format to be installed behind a socket, in a traditional switch or in a switch panel (DIN rail compatible).

Modern design and enhanced functionality

The new Shelly Plus line housing is designed for quick and safe installation, with the wiring diagram printed directly on the device. The small footprint allows integration into any standard dose.

Advanced Plus Series Features

• 🔥 S mart protection: over-temperature, over-voltage and over-current detection

• High performance processor: ESP32 for fast response and stability

• 🌐 Built-in Wi-Fi: connect directly to the network without a hub

• 📲 Bluetooth: quick installation via Shelly Cloud app

• 🔐 Enhanced security: support for MQTT, WSS, TLS and customised certificates

• 🔧 Extensive API interface: easy integration into smart home ecosystems

Smart functionalities

• 💡 Light control - turn any traditional switch into a smart switch

• 📱 Remote control - switch appliances wherever you are

• 🗣️ Voice control - compatible with Alexa, Google Assistant, Android and iOS

• 📊 Energy metering - real-time monitoring and detailed history

• 🕒 Automatic programmes - trigger by schedule, sunrise/sunset or timer

• 🚪 Complex automation - ideal for garage doors, irrigation systems, lock control, doorbell or motion sensors

Technical Specifications

• Supply voltage: 110-240V AC or 24-240V DC

• Maximum power: 3500W / 16A

• Wi-Fi: 802.11 b/g/n (2.4GHz)

• Processor: ESP32

• Bluetooth: for fast pairing

• Standby power consumption: < 1W

• Operating temperature: 0°C - 40°C

• Power metering: yes (with local storage and history)

• Protections: overheating, overvoltage, overload

• Compatibilities: Google Home, Amazon Alexa, Home Assistant, MQTT, REST API, Shelly Cloud etc.

• Dimensions: 41 × 36 × 15 mm