Shelly Pro 4PM DIN Rail Relay Switch, WiFi/LAN, 4-Channel

The Shelly Pro 4PM is a professional DIN rail mountable 4-channel relay switch designed for advanced home and commercial automation. With support for WiFi, LAN, and Bluetooth, this device offers flexible connectivity options to suit a variety of installation environments. The relay can be easily integrated into the Shelly Cloud app via Bluetooth, allowing for quick setup and remote control.

Connectivity is a key feature of this relay, providing a LAN connection for high security and reliability, while also supporting simultaneous WiFi (2.4GHz) in Access Point and Client modes, ensuring backup connectivity when needed. The device also supports MQTTS, WSS, and TLS with custom certificates for secure communication, and offers a broad range of cloud connections and local integrations to fit your specific automation requirements.

Safety and precision are at the forefront of the Shelly Pro series. The device is equipped with temperature, overpower, and overload protection, along with a flame-retardant design, making it safe for installation inside a breaker box on a DIN rail. Precise power monitoring of each channel allows for accurate energy management and immediate command execution and notifications, helping you optimise power usage across your facility.

Ideal for residential, commercial, and industrial applications, the Shelly Pro 4PM enables complete smart automation without the need for additional cables or wiring, simplifying the upgrade of new or existing electrical systems.