SMTONOFF Tuya WiFi 100A Three Phase Voltage Protector Features and Specifications
The SMTONOFF Tuya WiFi protector monitors voltage continuously across all three phases, disconnecting power instantly when readings exceed or fall below safe operating ranges to prevent equipment damage. Auto-reclosing technology automatically restores power after fault conditions clear, eliminating manual intervention and reducing downtime in commercial and residential applications. Remote voice control through Tuya and eWeLink platforms lets you manage protection status from anywhere, while the integrated prepaid meter tracks energy consumption in real time with bi-directional metering accuracy. The robust 100A current capacity handles heavy industrial loads without thermal stress, and sealed internal contacts resist corrosion in humid environments. Installation compatibility spans standard DIN rail mounts, simplifying integration into existing electrical panels across global voltage standards.
Why Choose the SMTONOFF Tuya WiFi 100A Voltage Protector
Three phase 4P protection covers balanced and unbalanced load scenarios that single-phase systems cannot address, making this solution ideal for small businesses, workshops, and homes with three-phase service. The prepaid meter integration enables consumption-based billing and demand control, reducing energy waste while providing detailed usage analytics through the mobile app. Auto-reclosing functionality responds to temporary faults within milliseconds, protecting sensitive electronics without requiring you to manually reset breakers during power fluctuations. Tuya and eWeLink compatibility ensures seamless integration with existing smart home routines, allowing automated responses to voltage anomalies based on your custom rules. Shop the official SMTONOFF store today for fast international shipping, comprehensive technical support, and manufacturer warranty coverage on all smart electrical components.













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