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This Siemens SENTRON 5SY4102-8 is a single-pole miniature circuit breaker (MCB) designed for reliable overcurrent protection in industrial and mechanical engineering applications. It operates on AC voltage, with a rated supply voltage of 400V and a single-phase supply voltage of 230V. The breaker has an operational current rating of 2A at 35°C and features a Type D tripping characteristic, suitable for applications with high inrush currents.
With a mechanical service life of 10,000 switching cycles, this MCB offers robust performance. It provides a switching capacity of 10kA according to EN 60898 and up to 35kA according to IEC 60947-2. The unit is rated for Overvoltage Category III and Degree of Pollution 3. It offers touch protection and is sealable for added security.
The circuit breaker is designed for DIN rail mounting and has a compact width of 18mm, fitting into standard electrical enclosures. It supports a wide range of conductor cross-sections, from 0.75 mm² to 35 mm² for solid and stranded conductors. The protection class is IP20 when connected.
Additional features include halogen-free and silicon-free construction, making it suitable for various environmental requirements. It also supports the installation of supplementary devices for expanded functionality.
The rated operational current is 2 A at AC and 35 °C.
The switching capacity is 10 kA according to EN 60898 and 35 kA according to IEC 60947-2.
The tripping characteristic is D.
The mechanical service life is 10,000 switching cycles.
The protection class is IP20 with connected conductors.
Yes, the product is halogen-free.
It complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077.