Sonoff SPM-Main Smart Power Meter Master, Overload Protection, RS-485 Communication

The Sonoff SPM-Main is a smart power meter designed for efficient energy management. This master device, when paired with SPM-4Relays, provides comprehensive monitoring of power consumption and offers overload protection to safeguard your devices. The system allows you to monitor the electricity usage of each connected device via the eWeLink app on your mobile phone. The SPM-Main communicates with the SPM-4Relays using RS-485, ensuring stable data transmission over long distances. With the ability to connect up to 32 SPM-4Relays, each with 4 isolated channels, the SPM-Main is ideal for managing multiple devices or circuits. The system also features an SD card slot for local storage of energy usage data, allowing you to review over 180 days of historical data. The overload protection feature prevents electrical appliances from burning out, enhancing safety. The SPM-Main is a versatile solution for both home and commercial applications, providing detailed insights into energy consumption and helping you optimize your energy usage. The system is easy to install and configure, making it a user-friendly choice for anyone looking to monitor and manage their energy consumption effectively. The eWeLink app provides a convenient way to access real-time data and historical trends, empowering you to make informed decisions about your energy usage. The SPM-Main is a reliable and efficient solution for smart energy management.
Product Code: Sonoff