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The TOMZN LW80A WiFi Smart Circuit Breaker provides advanced control and real-time monitoring of your electrical circuit through the Tuya Smart / Smart Life app.
It features Switch Guard functionality along with Earth Leakage Protection to help protect the electrical circuit against leakage faults. It also provides real-time measurement of energy consumption, current, and voltage.
The breaker allows remote ON/OFF control and circuit status monitoring, making it a practical smart protection solution for homes, offices, and electrical distribution panels.
⭐ Key features
A smart energy meter that operates via Wi-Fi.
Supports the Tuya Smart and Smart Life apps for remote control and monitoring.
Real-time measurement of voltage, current, power, and energy consumption (kWh).
Suitable for loads up to 80 amps.
Overvoltage and undervoltage protection with adjustable protection limits.
Overcurrent protection.
Earth leakage protection.
Automatic power restoration after the cause of the outage is resolved.
Create schedules, timers, and smart scenarios via the app.
Supports voice control with Amazon Alexa and Google Assistant.
Easy DIN rail installation in the electrical panel.
💡 Common uses
Monitor electricity consumption in homes and buildings.
Protect electrical appliances from voltage and current issues.
Remotely control power on/off.
Track energy consumption and reduce bills.
Protect circuits from earth leakage.
Suitable for homes, villas, shops, and offices.
📦 Package contents
TOMZN LW80 Smart Energy Meter.
User Manual.
Original Packaging.
▶️ How to use
The device is installed inside the electrical panel by a qualified electrician.
Connect the device according to the attached wiring diagram.
Download the Tuya Smart or Smart Life app.
Connect the device to a 2.4GHz Wi-Fi network.
Set the protection limits for voltage, current, and earth leakage.
Monitor all measurements and control the device through the app.
📝 Product notes
Works only with 2.4GHz Wi-Fi networks.
Supports power consumption measurement with real-time data display within the app.
Provides protection against overvoltage, undervoltage, overcurrent, and ground faults.
Protection values and restart delays can be adjusted according to the load.
It is recommended that a qualified electrician install it to ensure safe operation.