Smart 40A Circuit Breaker Energy Meter Time Relay Switch with Leakage Protection Mini Plastic Design

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 Intelligent Smart Circuit Breaker: Redefining Electrical Safety with Wi-Fi Connectivity and Precision Protection

In the modern era of smart homes, connected businesses, and intelligent energy management, the humble circuit breaker is undergoing a revolutionary transformation. No longer content to simply trip when a fault occurs, today's electrical protection devices must be proactive, intelligent, and remotely manageable. The Intelligent Smart Circuit Breaker, featuring integrated over/under voltage protection and seamless Wi-Fi connectivity via the Tuya app, represents the pinnacle of this evolution. It is not merely a protective device; it is a comprehensive electrical management system compressed into a compact, 1P+N form factor. By combining precise, adjustable protection parameters with the power of cloud-based control and real-time monitoring, this breaker empowers users to safeguard their homes and businesses with unprecedented convenience, insight, and control.

The Power of Connectivity: Control from Anywhere, Anytime

The defining feature of this smart breaker is its integrated Wi-Fi capability, enabling full connectivity through the Tuya app ecosystem. This transforms traditional circuit protection into a responsive, interactive experience. Using the app on a smartphone or tablet, users can:

· Remotely control circuits: Turn power on or off from anywhere in the world, providing peace of mind for forgotten appliances or enabling remote shutdown for safety.
· Monitor real-time status: Instantly view whether a circuit is active, has tripped, or is operating within normal parameters.
· Receive instant alerts: Get push notifications the moment a fault occurs, allowing for rapid response to overcurrent, overvoltage, or undervoltage events.
· Review historical data: Analyze power usage patterns and trip events over time, aiding in energy management and troubleshooting.
· Set customized schedules: Automate power to specific circuits based on daily or weekly routines, enhancing energy efficiency and convenience.

This level of intelligence moves electrical protection from reactive to proactive, enabling users to manage their electrical infrastructure with the same ease as controlling any other smart device.

Comprehensive, Adjustable Protection in a Single Unit

Traditional circuit protection often requires separate devices: a circuit breaker for overcurrent protection, and a voltage protector for supply anomalies. This smart breaker consolidates both functions into one compact, intelligent unit, with all protection thresholds fully adjustable to match specific needs.

· Overcurrent Protection (Adjustable 1A-50A): The breaker provides precise overload and short-circuit protection with a user-configurable trip threshold ranging from 1A to 50A. This flexibility allows a single device to protect everything from sensitive electronics on a 5A circuit to heavy appliances on a 40A branch. The maximum operating current of 40A ensures compatibility with standard household and light commercial circuits, while the adjustable range enables fine-tuning to exactly match the protected load.
· Overvoltage Protection (Adjustable 220V-270V): Voltage surges can silently destroy sensitive electronics, compressors, and control boards. This breaker continuously monitors the incoming supply and will disconnect the circuit if voltage exceeds the user-defined threshold, programmable between 220V and 270V. This prevents damage from grid fluctuations, faulty transformers, or loose neutrals.
· Undervoltage Protection (Adjustable 80V-220V): Similarly, undervoltage conditions—often caused by overloaded transformers or long distribution lines—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 the safe operating zone, protecting equipment from brownout damage.

These three layers of configurable protection operate seamlessly within a working voltage range of 90V to 250V, ensuring reliable monitoring and response across virtually all global single-phase power standards.

Compact 1P+N Design with Intelligent Neutral Management

The breaker features a 1P+N (one pole plus neutral) configuration, where the neutral pole remains permanently closed while the line pole provides the switching and protection functions. This design offers several critical advantages:

· Complete circuit isolation: Disconnecting the line while maintaining a continuous neutral path ensures safe and predictable circuit behavior.
· Compliance with safety standards: The 1P+N configuration meets common residential and commercial wiring practices, allowing for straightforward integration into existing distribution boards.
· Space efficiency: With a width of just 18mm (one standard module), it occupies minimal space in a DIN rail-mounted enclosure, preserving panel capacity for other circuits.

Rugged Construction for Demanding Environments

Despite its compact dimensions of 18mm x 82mm x 50mm and lightweight 100g construction, this smart breaker is engineered for reliability across a broad range of operating conditions. It is designed to function consistently in usage environments from -25°C to +70°C, ensuring performance in everything from unheated garages and outdoor enclosures to warm equipment rooms and industrial control panels. This temperature resilience guarantees dependable protection regardless of seasonal extremes or installation location.

Seamless Integration into Modern Electrical Systems

The breaker mounts on standard 35mm DIN rail, the universal standard for electrical distribution panels worldwide. This allows for effortless integration into new construction or retrofit projects. Its clear labeling, standardized terminal connections, and intuitive setup via the Tuya app simplify installation and configuration, reducing the time and expertise required to deploy smart protection capabilities.

Transformative Applications Across Residential and Light Commercial Settings

The combination of smart connectivity and configurable protection makes this breaker ideal for a wide array of applications:

· Home Offices and Home Electronics: Protecting sensitive routers, servers, computers, and entertainment systems from both overcurrent and voltage anomalies, with remote control for peace of mind.
· Household Appliances: Safeguarding refrigerators, freezers, air conditioners, and washing machines from voltage damage while enabling remote power cycling if needed.
· 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 a circuit trips.
· Small Businesses and Retail Outlets: Protecting point-of-sale systems, refrigeration units, and lighting circuits with customizable protection parameters and remote management capabilities.
· Workshops and Garages: Providing flexible, adjustable protection for tools and equipment while enabling scheduled or remote power control for safety and energy savings.

Conclusion: The Future of Electrical Protection, Today

The Intelligent Smart Circuit Breaker with Wi-Fi and Tuya app connectivity represents a fundamental advancement in how we protect, manage, and interact with electrical circuits. By integrating fully adjustable overcurrent, overvoltage, and undervoltage protection with the power of cloud-based remote control and monitoring, it delivers a level of safety, convenience, and insight previously unavailable in a single, compact device. Its 1P+N design, rugged temperature tolerance, and universal DIN rail mounting ensure seamless integration into any modern electrical distribution system. For homeowners seeking peace of mind, property managers requiring remote oversight, and businesses demanding intelligent energy management, this smart breaker is not merely an upgrade—it is the essential foundation for a safer, smarter, and more connected electrical future.

Specifications:

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.