Meet Shelly Smart Relay Plus 1PM 16A — a compact, powerful single-channel relay with built-in power metering designed to bring intelligent control to any room. Model 120373 is built for easy retrofit, enabling you to automate and monitor your devices without complexity.

Key features

• 1-Phase Power Metering provides real-time energy usage data and historical insights to help you optimize consumption.
• 16A Relay Output offers reliable switching for most household devices and lights.
• Bluetooth and WiFi Connectivity for quick setup and flexible control, with cloud access through the Shelly app.
• Local and Cloud Control keeps your automation running when offline and lets you manage devices remotely when online.
• Automation Ready— create schedules, scenes, and energy-based automations using the Shelly app or MQTT integration.
• Compact, Retrofit Design fits behind existing switches or in a junction box for a clean, unobtrusive installation.
• Firmware Updates support over-the-air upgrades to keep features and security up to date.

Why choose Shelly Smart Relay Plus 1PM 16A

Designed for simplicity and performance, this relay combines precise energy metering with effortless control, making it easy to cut energy waste and automate everyday tasks. Its small footprint and straightforward installation let you upgrade traditional switches to a smarter living experience without complexity or extra hubs. With flexible connectivity and robust metering, Shelly 120373 stands out as a reliable, future-ready smart relay for energy-conscious homes.

Technical specifications

• Channel: 1
• Max load: 16A
• Metering: 1-Phase power metering
• Connectivity: Bluetooth + WiFi
• Control options: Shelly app, local API, MQTT