Fire protection circuit breaker-LS-combo 230V, 6kA, 1+N, C, 25A Compact (1TE) Fire protection circuit breaker and circuit breaker SENTRON 5SV6 for reliable and comprehensive protection of people, facilities, and assets against dangerous arc faults. Fire protection circuit breakers detect hazardous arc faults early and safely disconnect before a fire can occur. With their innovative technology, they reliably cover the existing protection gap of conventional devices. The Siemens 5SV60 is a combination of a fire protection circuit breaker and a circuit breaker in a compact design for reliable short-circuit, overload, and fire protection. The fire protection circuit breakers are available in a 1+N variant with various characteristics. The extensive accessories, such as auxiliary switches, allow for a wide range of functional expansions. Optimal technology for your safety - only from Siemens.