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This Siemens 5SY4340-5 is a 3-pole miniature circuit breaker designed for reliable electrical protection. It features a 40A operational current rating at 35°C and a rated supply voltage of 400V AC.
The circuit breaker boasts a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. It has a tripping characteristic class of A and a mechanical service life of 10,000 switching cycles.
Designed for industrial and mechanical engineering applications, this breaker supports solid and stranded conductors from 0.75mm² to 35mm². It mounts via a quick assembly system onto a DIN rail and has a protection class of IP20 with connected conductors.
Additional features include halogen-free construction, sealability, and suitability for installation of supplementary devices. The unit operates within an overvoltage category of III and a degree of pollution of 3.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 40A at 35°C.
The rated supply voltage is 400V AC.
The switching capacity is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
It is designed for DIN rail mounting using a quick assembly system.
Yes, the Siemens 5SY4340-5 is halogen-free.