Smartlife WiFi 40A Energy Meter with Circuit Breaker & Timer Relay

The STB3 WiFi Circuit Breaker is designed for industrial applications, offering reliable protection with a 40A rated current and a breaking capacity of 4 kA. Featuring WiFi connectivity, it allows for real-time monitoring and control via Smart Life or Tuya apps. With a BCD curve of type A and a wide voltage range of 100-240V, this mini circuit breaker is perfect for efficient energy management and protection in industrial settings. Rated for both 50/60 Hz frequencies, it ensures reliable performance across various electrical systems.