LVMA | New Products – Tuya WiFi Smart Circuit Breaker
🔍 Product Overview
This Tuya WiFi Smart Circuit Breaker (LMB3 Series) is a DIN-rail mounted intelligent power control device designed for residential, commercial, and industrial applications. It combines remote WiFi control, real-time voltage/current monitoring, energy metering, and multi-layer electrical protection into a compact 1P form factor, turning any standard 230V circuit into a smart, safe, and efficient system. Powered by the Tuya Smart ecosystem, it enables full control via smartphone apps, voice assistants, and local manual operation.

✨ Key Features
| Feature | Details |
|---|---|
| WiFi Remote Control | Control on/off status anywhere via the Tuya Smart App (iOS/Android). Schedule, timer, and loop modes available. |
| Real-Time LED Display | High-brightness multi-color LED screen shows live voltage (V), current (A), and power consumption at a glance, no app required. |
| Precision Energy Monitoring | Built-in Class A energy meter tracks daily/weekly/monthly power usage to help reduce waste and cut costs. |
| Full Electrical Protection | Over-voltage, under-voltage, over-current, overload, and short-circuit protection with auto-recovery function. |
| Dual Operation Modes | Manual control via the physical power button + remote control via app, for maximum flexibility. |
| Smart Home Integration | Works with Amazon Alexa, Google Assistant, and Tuya-compatible voice devices for hands-free control. |
| DIN Rail Mount | Standard 35mm DIN rail design for easy installation in any electrical distribution box. |
| Safety Certified | CE-certified, flame-retardant housing, and overheat protection for reliable long-term use. |
🛠️ Technical Specifications
| Parameter | Value |
|---|---|
| Model | LMB3 Tuya WiFi Smart Circuit Breaker |
| Rated Voltage | AC 230V 50/60Hz |
| Rated Current | 1A – 63A adjustable |
| Control Protocol | WiFi 2.4GHz (Tuya Smart) |
| Display | Multi-color LED (Voltage/Current/Power) |
| Protection Functions | Over-voltage, Under-voltage, Over-current, Overload, Short-circuit |
| Installation | Standard 35mm DIN Rail |
| Operating Temp | -20°C ~ +60°C |
| Certifications | CE, RoHS |
| Compatibility | Tuya Smart App, Alexa, Google Assistant |
🎯 How It Works


- Install: Mount the breaker on a standard DIN rail in your electrical panel, connect the line and neutral wires.
- Pair: Connect the device to your 2.4GHz WiFi network via the Tuya Smart App in minutes.
- Control: Use the app to turn circuits on/off, set schedules, view real-time data, and adjust protection parameters.
- Monitor: The LED display shows live voltage and current, while the app logs energy usage and sends alerts for anomalies.
- Automate: Integrate with voice assistants or set smart scenes for fully hands-free home/office power management.
💡 Use Cases

- Smart Home Automation: Control lights, water heaters, air conditioners, and other high-power devices remotely.
- Energy Management: Track power consumption of appliances to identify wasteful devices and optimize usage.
- Commercial & Industrial Use: Secure remote control for office equipment, workshop machinery, and vending machines.
- Safety Monitoring: Receive instant alerts for over-voltage, over-current, or fault conditions to prevent fires and equipment damage.
- Vacation/Home Security: Simulate occupancy by scheduling lights and appliances to turn on/off automatically.
🛡️ Safety & Compliance
- Flame-Retardant Housing: Made of high-quality PC material to prevent fire hazards.
- Multi-Layer Protection: Automatically cuts power during abnormal conditions and sends app notifications.
- Overheat Protection: Built-in temperature sensor triggers shutdown if internal components overheat.
- CE Certified: Compliant with international safety standards for reliable performance.
📦 Package Includes
- 1 x Tuya WiFi Smart Circuit Breaker (LMB3 Series)
- 1 x User Manual
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LVMA | New Products – Tuya WiFi Smart Circuit Breaker

🔍 Product Overview
This Tuya WiFi Smart Circuit Breaker (LMB3 Series) is a DIN-rail mounted intelligent power control device designed for residential, commercial, and industrial applications. It combines remote WiFi control, real-time voltage/current monitoring, energy metering, and multi-layer electrical protection into a compact 1P form factor, turning any standard 230V circuit into a smart, safe, and efficient system. Powered by the Tuya Smart ecosystem, it enables full control via smartphone apps, voice assistants, and local manual operation.

✨ Key Features
| Feature | Details |
|---|---|
| WiFi Remote Control | Control on/off status anywhere via the Tuya Smart App (iOS/Android). Schedule, timer, and loop modes available. |
| Real-Time LED Display | High-brightness multi-color LED screen shows live voltage (V), current (A), and power consumption at a glance, no app required. |
| Precision Energy Monitoring | Built-in Class A energy meter tracks daily/weekly/monthly power usage to help reduce waste and cut costs. |
| Full Electrical Protection | Over-voltage, under-voltage, over-current, overload, and short-circuit protection with auto-recovery function. |
| Dual Operation Modes | Manual control via the physical power button + remote control via app, for maximum flexibility. |
| Smart Home Integration | Works with Amazon Alexa, Google Assistant, and Tuya-compatible voice devices for hands-free control. |
| DIN Rail Mount | Standard 35mm DIN rail design for easy installation in any electrical distribution box. |
| Safety Certified | CE-certified, flame-retardant housing, and overheat protection for reliable long-term use. |
🛠️ Technical Specifications
| Parameter | Value |
|---|---|
| Model | LMB3 Tuya WiFi Smart Circuit Breaker |
| Rated Voltage | AC 230V 50/60Hz |
| Rated Current | 1A – 63A adjustable |
| Control Protocol | WiFi 2.4GHz (Tuya Smart) |
| Display | Multi-color LED (Voltage/Current/Power) |
| Protection Functions | Over-voltage, Under-voltage, Over-current, Overload, Short-circuit |
| Installation | Standard 35mm DIN Rail |
| Operating Temp | -20°C ~ +60°C |
| Certifications | CE, RoHS |
| Compatibility | Tuya Smart App, Alexa, Google Assistant |
🎯 How It Works


- Install: Mount the breaker on a standard DIN rail in your electrical panel, connect the line and neutral wires.
- Pair: Connect the device to your 2.4GHz WiFi network via the Tuya Smart App in minutes.
- Control: Use the app to turn circuits on/off, set schedules, view real-time data, and adjust protection parameters.
- Monitor: The LED display shows live voltage and current, while the app logs energy usage and sends alerts for anomalies.
- Automate: Integrate with voice assistants or set smart scenes for fully hands-free home/office power management.
💡 Use Cases

- Smart Home Automation: Control lights, water heaters, air conditioners, and other high-power devices remotely.
- Energy Management: Track power consumption of appliances to identify wasteful devices and optimize usage.
- Commercial & Industrial Use: Secure remote control for office equipment, workshop machinery, and vending machines.
- Safety Monitoring: Receive instant alerts for over-voltage, over-current, or fault conditions to prevent fires and equipment damage.
- Vacation/Home Security: Simulate occupancy by scheduling lights and appliances to turn on/off automatically.
🛡️ Safety & Compliance
- Flame-Retardant Housing: Made of high-quality PC material to prevent fire hazards.
- Multi-Layer Protection: Automatically cuts power during abnormal conditions and sends app notifications.
- Overheat Protection: Built-in temperature sensor triggers shutdown if internal components overheat.
- CE Certified: Compliant with international safety standards for reliable performance.
📦 Package Includes
- 1 x Tuya WiFi Smart Circuit Breaker (LMB3 Series)
- 1 x User Manual
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