1-pole miniature circuit breaker (MCB) with remote control function for single-phase installations without a neutral conductor, with overvoltage and undervoltage protection. Available in six rated currents: 10 A, 16 A, 25 A, 32 A, 40 A and 63 A. With C characteristic and 6 kA rated breaking capacity. -Smart protection functions. Protection against overload, short circuit, overvoltage and undervoltage. -Remote control with safety switch. Option to deactivate remote control via a physical front switch. -Connectivity options: Wi-Fi, Bluetooth and Ethernet for flexible integration and reliable performance. -Wi-Fi range extender. Extends network coverage by relaying the Wi-Fi signal. -Automation and scripting. Creation of custom automation scenarios with scripts or webhooks. -Monitoring. Continuous recording of the mains voltage. -Audit log. Storage of all switching operations with timestamp and source. -Compatibility. Works locally, remotely via Shelly Smart Control or with third-party smart home systems. -Virtual and permanent storage. Support for virtual components and SD card for data storage. Circuit protection with monitoring and event history Automatically trips in the event of overloads and short circuits to protect the electrical installation, as well as in the event of overvoltage or undervoltage to protect connected devices. Provides instant notifications of faults, comprehensive event logging and a real-time display of the switch status for faster troubleshooting and diagnostics.