Residual current circuit breaker with overcurrent protection KZS-2M AC C10/0.03 002173122

Residual Current Device with Overcurrent Protection KZS-2M is a reliable device used to protect electrical installations from the effects of electric shock and damage resulting from overloads and short circuits. It is a key element ensuring safety in every electrical circuit, both in residential and industrial buildings.

Protection and functionality

This two-pole switch (2P) combines the functions of an overcurrent and residual current circuit breaker, which means it provides comprehensive protection. A rated current of 10A makes it ideal for protecting circuits with moderate power consumption. Characteristic C provides delayed tripping during short-term overloads, which is particularly important when connecting devices with electric motors or other loads generating high starting current – it will not cause unnecessary disconnection of the circuit during the start-up of such a device. A rated differential current of 0.03A guarantees a quick response in the event of a leakage current to ground, minimizing the risk of electric shock. AC sensitivity means that it reacts to alternating currents, which is standard in most home and industrial installations.

Installation and parameters

The KZS-2M switch takes up 2 module widths, making it easy to install in standard distribution boards. The cross-section of the connectable solid or stranded wire up to 25 mm² allows connection of wires of different thicknesses, adapting to the specifics of the installation. The rated short-circuit breaking capacity of 10 kA ensures effective protection against the effects of serious short circuits. The degree of protection IP20 protects against finger contact and the ingress of solid objects larger than 12.5 mm – standard protection for devices mounted inside distribution boards. Additionally, the simultaneous disconnection of the N pole increases safety.

For the installer and end user

For installers, the KZS-2M switch means easy installation thanks to standard dimensions and the possibility of connecting wires of different cross-sections. The test button allows for quick verification of the correct operation of the device after installation or maintenance. For the end user, it means primarily safety – confidence that the electrical installation is protected against failures and threats to health and life. Solid construction and compliance with standards ensure long-term and trouble-free operation of the device.