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The Siemens 5SY4203-5 is a miniature circuit breaker designed for reliable circuit protection in industrial and mechanical engineering applications. This 2-pole device operates with a rated current of 3A and a voltage rating of 400V AC.
Key electrical specifications include a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. It features a tripping characteristic class A and an insulation voltage (Ui) of 440V.
Designed for ease of installation, the 5SY4203-5 utilizes a DIN rail mounting type and a quick assembly system. Its dimensions are 90mm in height, 36mm in width, and 76mm in depth, with an installation depth of 70mm. The breaker is also halogen-free and silicon-free, contributing to environmental considerations.
This circuit breaker is suitable for applications requiring robust protection against overcurrents and short circuits, with a mechanical service life of 10,000 switching cycles.
| 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 at AC is 3A.
The rated supply voltage at AC is 400V.
The switching capacity according to EN 60898 is 10 kA, and according to IEC 60947-2 it is 35 kA.
It is designed for DIN rail mounting.
Yes, the product feature indicates it is halogen-free.