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The Siemens 5SY4205-7 is a miniature circuit breaker designed for reliable protection in industrial and mechanical engineering applications. This 2-pole device operates with a rated voltage of 400V AC and features a tripping characteristic class C.
With an operational current rating of 0.5A at 35°C, it provides essential overcurrent protection. The switching capacity is rated at 10kA according to EN 60898 and up to 35kA according to IEC 60947-2, ensuring robust performance under fault conditions. The breaker is built for a mechanical service life of 10,000 switching cycles.
Designed for DIN rail mounting, the 5SY4205-7 has a compact width of 36mm, fitting standard enclosures. It supports a wide range of conductor cross-sections from 0.75 mm² to 35 mm² for solid and stranded wires, with specific limits for finely stranded conductors. The device also features combined terminals for both top and bottom connections and is sealable for added security.
Environmental and compliance features include halogen-free and silicon-free construction, meeting stringent industry standards. It is rated with 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 voltage rating is 480 V.
The operational current is 0.5 A.
It has a mechanical service life of 10,000 switching cycles.
It complies with IEC / EN 60898-1, IEC / EN 60947-2, and UL 1077.
The breaking capacity is 5 kA at AC according to UL 1077 and CSA C22.2 No.235.
It mounts on a DIN rail.
Yes, it is halogen-free.