Economic Efficiency Smart Circuit Breaker with WiFi Switch Energy Meter Voltage Protector for Smart Home-Tuya Compatibility
| Place of Origin | China |
| Brand Name | DAQCN |
| Model Number | WF-63A |
| Certification | CE, ROHS, IEC, TUV,ISO9001 |
| Packaging Details | Standard corrugated carton or customized as you requested |
| Delivery Time | 1-2weeks depend on your quantity |
- Overview
- Recommended Products

Quick Detail:
1. voltage protection relay,over and under voltage protector
2. Detect the voltage level in the circuit and automatically take protective measures when abnormal voltage occurs
Description:
The Advanced 2P+N Smart Circuit Breaker: Integrated Wi-Fi Control, Comprehensive Protection, and Adjustable Leakage Detection
In the rapidly evolving landscape of smart homes, intelligent commercial buildings, and connected industrial facilities, the demand for electrical protection devices that combine safety, intelligence, and remote manageability has never been greater. Traditional circuit breakers protect against overloads and short circuits but remain passive, isolated components incapable of providing real-time insight or remote control. The Advanced 2P+N Smart Circuit Breaker fundamentally redefines this paradigm. Engineered as a comprehensive electrical protection and management solution, it integrates fully adjustable overcurrent, overvoltage, undervoltage, and—critically—adjustable earth leakage protection into a single, compact unit. With seamless Wi-Fi connectivity through the Tuya app, this breaker transforms the distribution board from a static collection of passive switches into a responsive, intelligent nerve center for electrical safety and energy management.
The Power of Smart Connectivity: Control, Monitor, and Respond from Anywhere
At the heart of this smart breaker is its integrated Wi-Fi capability, enabling full connectivity within the globally recognized Tuya app ecosystem. This connectivity empowers users with unprecedented control and visibility:
· Remote Circuit Control: Turn power on or off from anywhere in the world using a smartphone or tablet—ideal for managing forgotten appliances, enabling scheduled equipment operation, or providing remote isolation for safety during maintenance.
· Real-Time Status Monitoring: Instantly view whether a circuit is energized, has tripped, or is operating within normal parameters, all from an intuitive app interface.
· Instant Fault Alerts: Receive push notifications the moment any protection event occurs—be it overcurrent, overvoltage, undervoltage, or earth leakage—allowing for rapid response and minimizing potential damage.
· Historical Data Analysis: Review trip events and power usage patterns over time, enabling informed decisions about load management and troubleshooting recurring issues.
· Customized Automation: Create schedules for automatic power control based on daily or weekly routines, enhancing energy efficiency and convenience.
This level of intelligence elevates the breaker from a passive safety device to an active component of a comprehensive smart electrical infrastructure.
Comprehensive, Fully Adjustable Protection in a Single Unit
The breaker consolidates four critical protection functions into one device, with all thresholds user-configurable to match specific application requirements:
· Overcurrent Protection (Adjustable 1A-63A): Precise overload and short-circuit protection with a user-adjustable trip threshold from 1A to 63A. This flexibility allows a single device to protect everything from sensitive electronics to heavy appliances. With a maximum operating current of 63A, it is suitable for main incomer protection in residential panels or branch circuits in light commercial installations.
· Overvoltage Protection (Adjustable 220V-270V): Voltage surges, often caused by grid fluctuations, lightning strikes, or neutral faults, can destroy sensitive electronics and compressors. The breaker continuously monitors supply voltage and disconnects the circuit if it exceeds the user-defined threshold, programmable between 220V and 270V.
· Undervoltage Protection (Adjustable 80V-220V): Prolonged undervoltage conditions can cause motors to overheat and electronic equipment to malfunction. The adjustable undervoltage protection, configurable from 80V to 220V, disconnects the load when voltage drops below safe levels, preventing brownout damage.
· Adjustable Earth Leakage Protection (10mA-99mA): This critical feature distinguishes the breaker as a comprehensive safety device. Earth leakage (residual current) detection protects against electric shock and fire hazards caused by insulation faults. The user-adjustable leakage trip value, ranging from 10mA to 99mA, allows for precise calibration: lower settings (10mA-30mA) provide enhanced protection for human life in residential and wet-area applications, while higher settings (30mA-99mA) are suitable for fire prevention in industrial or commercial circuits with inherent background leakage.
All protection functions operate within an exceptionally wide working voltage range of 90V to 300V, ensuring reliable monitoring and response across global single-phase power standards, including regions with voltage fluctuations.
Advanced 2P+N Design with Comprehensive Circuit Isolation
The breaker features a 2P+N (two poles plus neutral) configuration, where the neutral pole remains permanently closed while the two line poles provide full switching and protection. This design offers significant advantages:
· Complete Line Isolation: Disconnects both line conductors while maintaining a continuous neutral path, ensuring safe and predictable circuit behavior.
· Compliance with Global Standards: The 2P+N configuration meets common residential, commercial, and light industrial wiring practices, allowing straightforward integration into distribution boards worldwide.
· Enhanced Safety: By switching both live conductors, it provides superior protection in systems where line and neutral reversal is a concern, such as in older installations or multi-phase systems.
With a width of 36mm (2 standard DIN modules) and dimensions of 36mm x 82mm x 50mm, it efficiently occupies panel space while delivering robust protection.
Integrated Earth Leakage: The Essential Safety Layer
The inclusion of adjustable earth leakage protection represents a significant enhancement over standard smart breakers. This function continuously monitors for current imbalances between the live and neutral conductors. When an imbalance exceeds the set threshold (10mA-99mA), indicating current flowing to ground through a person or fault, the breaker trips instantly. The adjustability of this threshold is critical:
· 10mA-30mA Settings: Ideal for residential circuits, bathrooms, kitchens, outdoor outlets, and any location where human contact with faulty equipment is possible. These settings provide life-saving protection against electric shock.
· 30mA-99mA Settings: Suitable for industrial equipment, lighting circuits, and applications where nuisance tripping from normal leakage currents must be balanced with fire prevention requirements.
Rugged Construction for Demanding Environments
Engineered for reliability in varied operating conditions, the smart breaker is built to perform consistently. It operates flawlessly across a usage environment temperature range of -25°C to +70°C, ensuring dependable protection in everything from unheated garages and outdoor enclosures to warm equipment rooms and industrial panels. With a net weight of 160g, it combines substantial build quality with manageable handling during installation. The device mounts on standard 35mm DIN rail, the universal standard for electrical distribution panels worldwide, enabling seamless integration into new or retrofit projects.
Transformative Applications Across Residential and Commercial Settings
The combination of smart connectivity, comprehensive adjustable protection, and integrated earth leakage makes this breaker ideal for a wide array of applications:
· Residential Main Incomer or Sub-Panel Protection: Providing complete protection for entire homes or specific zones, with remote monitoring and control for peace of mind.
· Home Offices and Sensitive Electronics: Safeguarding servers, networking equipment, home theaters, and computers from both overcurrent and voltage anomalies, with remote power management.
· Workshops and Garages: Protecting power tools and equipment with adjustable overcurrent and leakage settings, enabling remote shutdown for safety.
· Rental Properties and Vacation Homes: Allowing owners to remotely monitor and control power, ensuring appliances are off when the property is vacant, and receiving instant alerts if any protection event occurs.
· Small Businesses and Retail Outlets: Protecting point-of-sale systems, refrigeration units, and lighting circuits with customizable protection parameters and remote management capabilities.
· Commercial Kitchens and Laundry Facilities: Providing adjustable leakage protection for wet-area equipment where shock hazards are elevated.
Conclusion: The Definitive Smart Protection Solution
The Advanced 2P+N Smart Circuit Breaker with Adjustable Leakage Protection represents the convergence of comprehensive electrical safety and intelligent connectivity. By integrating fully configurable overcurrent, overvoltage, undervoltage, and earth leakage protection with Wi-Fi connectivity and Tuya app control, it delivers a level of protection, insight, and remote management previously unattainable in a single device. Its 2P+N design, rugged temperature tolerance, and universal DIN rail mounting ensure seamless integration into any modern electrical distribution system. For homeowners, property managers, and business owners seeking the ultimate in electrical safety and smart control, this breaker is not merely an upgrade—it is the essential foundation for a safer, smarter, and more connected electrical future, providing peace of mind and unprecedented control over the power that drives modern life.
Specifications:
Working voltage range |
90V-300V |
Usage environment |
-25~+70 |
Pole |
2P+N(The N pole remains closed) |
Net weight |
160g |
Maximum operating current |
63A |
Overcurrent protection range |
1A-63A(adjustable) |
Undervoltage protection range |
80V-220V(adjustable) |
Overvoltage protection range |
220V-270V(adjustable) |
Dimensions |
36mm*82mm*50mm |
Leakage current value |
10-99mA(adjustable) |
Competitive Advantage:
Advantages of Wenzhou DAQUAN Electric Co., Ltd
1. Innovation Leadership
With 258 patents and 27 years of industry experience, we lead in R&D of industrial control devices like relays and timers, ensuring cutting-edge product performance.
2. Global Certifications
Our products hold CE, ROHS, IEC, TUV certifications plus ISO9001, meeting strict international standards for seamless global market access.
3. Scale Supply Stability
Backed by a 7,800㎡ factory, 499-strong team, and 70M RMB annual output, we guarantee efficient production and timely delivery for bulk orders.