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Designed for three-phase power networks, this DIN-rail mount smart MCB (Miniature Circuit Breaker) delivers seamless remote control, real-time electrical monitoring, and multi-layer safety protection for commercial and industrial power distribution infrastructure. Certified to CE and IEC 60898 standards, it supports a rated current range of 16A to 125A, with full compatibility with the Tuya smart ecosystem, and customizable OEM/ODM services to meet the unique needs of large-scale commercial projects. This breaker redefines power management for modern smart buildings, eliminating the need for on-site manual operation and reducing unplanned downtime for critical loads.
For commercial facility operators and electrical integrators, this 4P smart building automation circuit breaker enables 24/7 remote on/off control via WiFi connectivity, accessible from any internet-enabled device. Real-time monitoring of voltage, current, and power consumption provides full visibility into three-phase power performance, allowing teams to identify inefficiencies and address issues before they escalate, cutting down on on-site maintenance visits and operational costs.
Engineered for critical commercial and industrial loads, the breaker integrates core protection functions including overload, short circuit, over-voltage, and under-voltage protection. It automatically trips during electrical anomalies to safeguard expensive equipment, prevent electrical fires, and ensure compliance with global commercial electrical safety standards, minimizing financial risk for facility owners.
This remote control 4P smart MCB offers open protocol compatibility, enabling seamless integration with existing building management systems (BMS), IoT platforms, and smart building automation ecosystems. It supports bulk device pairing and centralized management, making it ideal for large-scale deployments across multi-story commercial buildings and industrial campuses.
With a wide operating temperature range of -20℃ to +60℃ and robust industrial-grade housing, the breaker delivers consistent performance in demanding commercial and industrial settings, from manufacturing floors to data center auxiliary power rooms.
Parameter | Value |
Rated voltage | AC230V(1P、2P)/AC400V(3P、4P) |
Rated current | 10A、16A、20A、25A、32A、40A、50A、63A、80A、100A |
Frequency | 50/60HZ |
Power consumption | ≤2W |
Rated short-circuit breaking capacity | 3kA;6kA |
Rated current of shell frame class | 100A |
Residual action current | 30mA、100mA |
Residual current operation time | ≤0.1s |
This industrial grade 4P WiFi circuit breaker is optimized for a wide range of commercial and industrial use cases, including commercial high-rise office buildings, industrial manufacturing facilities, data center power distribution systems, large-scale retail complexes, smart healthcare campuses, and educational institutions. It is particularly suited for three-phase power distribution systems that require remote management, such as HVAC main power control, industrial machinery load protection, and building-wide power distribution automation.
Before installation, ensure the main power supply is fully disconnected to eliminate electrical hazard risks. Verify the incoming three-phase four-wire power supply matches the breaker’s rated voltage and current specifications, and confirm the mounting panel has a standard DIN rail.
Mount the 4P WiFi circuit breaker securely onto the standard DIN rail, ensuring it locks firmly into place.
Connect the incoming three-phase live wires (L1, L2, L3) and neutral wire (N) to the corresponding upper terminals of the breaker.
Connect the outgoing load wires to the corresponding lower terminals, ensuring tight and secure connections to prevent overheating.
Restore power in sequence, then follow the Tuya ecosystem guide to pair the breaker to the local WiFi network. Configure remote access, protection thresholds, and centralized management settings to align with commercial project requirements.
Yes, this smart building automation 4P circuit breaker supports open protocol compatibility for seamless integration with most mainstream BMS platforms, with custom OEM integration services available for large-scale commercial deployments.
Yes, the unit maintains full manual on/off control and core electrical protection functions even when WiFi connectivity is lost, ensuring uninterrupted power safety for critical commercial loads.
Our 4P WiFi smart circuit breaker offers a rated current range from 16A to 125A, catering to diverse three-phase power distribution requirements in commercial and industrial settings.
