The Siemens circuit breaker size S3 is designed to provide exceptional system protection without compromising performance. Tailored for applications requiring robust overload and short-circuit protection, it ensures reliability and safety in various environments. With features such as a resilient thermal overload release and a broad operational current range, this breaker is built to meet the demands of modern electrical installations. Its compact design allows for flexible mounting and easy integration into existing systems. Whether for industrial or commercial use, this device guarantees peace of mind, delivering superior protection against electrical faults.

Robust insulation voltage for high-demand applications
Superior mechanical and electrical endurance
Wide operational temperature range
Easy installation with screw and snap-on
Compatible with various conductor sizes