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The Siemens 5SY4463-8 is a 4-pole miniature circuit breaker designed for robust protection in industrial and mechanical engineering applications. It offers a rated current of 63A and a voltage rating of 400V AC, with a significant switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2.
This circuit breaker utilizes a Type D tripping characteristic, making it suitable for circuits with high inrush currents. It features a mechanical service life of 10,000 switching cycles and is built with touch protection for enhanced safety. The device supports a wide range of conductor cross-sections, from 0.75 mm² to 35 mm² for solid and stranded conductors, and up to 25 mm² for finely stranded conductors with core end processing.
With a compact design measuring 72mm in width and 70mm in installation depth, it fits standard DIN rail mounting. The breaker is also halogen-free and silicon-free, contributing to environmental considerations in its application. It is rated for Overvoltage Category III and Degree of Pollution 3, ensuring reliable performance in demanding environments.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current for the Siemens 5SY4463-8 circuit breaker is 63A at 35°C.
The Siemens 5SY4463-8 has a rated supply voltage of 400V at AC.
This circuit breaker features a Type D tripping characteristic.
The switching capacity current is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
The circuit breaker is designed for DIN rail mounting and features a quick assembly system.
Yes, the Siemens 5SY4463-8 is halogen-free.