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This Siemens 5SY4303-5 is a 3-pole miniature circuit breaker designed for industrial applications. It operates with a rated voltage of 400V AC and a rated current of 3A at 35°C.
The circuit breaker features a tripping characteristic class of A and a mechanical service life of 10,000 switching cycles. Its switching capacity is 10kA according to EN 60898 and 35kA according to IEC 60947-2.
With a protection class of IP20, it is suitable for mechanical engineering and industrial environments. The device supports a wide range of conductor cross-sections, from 0.75 mm² to 35 mm² for solid and stranded conductors.
Key features include halogen-free construction, sealability, and silicon-free properties. The breaker is designed for quick assembly system mounting on a DIN rail.
| 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 3A at 35°C and at AC.
The rated supply voltage at AC is 400V.
This circuit breaker has 3 poles.
The switching capacity is 10kA according to EN 60898 and 35kA according to IEC 60947-2.
The mounting type is DIN Rail.
Yes, the RoHS status is RoHS3 Compliant.
The MSL is 1 Unlimited.