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The Siemens 5SY4114-8 is a single-pole miniature circuit breaker from the SENTRON series, designed for reliable protection in industrial and mechanical engineering applications. It operates with a rated voltage of 400V AC and features a D-curve tripping characteristic, suitable for protecting circuits with high inrush currents.
Key electrical specifications include a rated operational current of 0.3A at 35°C, a switching capacity of 10kA according to EN 60898, and a breaking capacity of 5kA according to UL 1077. The breaker is designed for a mechanical service life of 10,000 switching cycles and offers touch protection.
This circuit breaker is designed for DIN rail mounting and has a compact width of 18mm, fitting into standard electrical panels. It supports a wide range of conductor cross-sections, from 0.75 mm² to 35 mm² for solid and stranded conductors. The device also features combined terminals for easier connection and is sealable for security purposes.
Environmental compliance includes being halogen-free and silicon-free. The protection class is IP20 with connected conductors. The breaker operates within a temperature range influenced by ambient conditions, with maximum humidity limits specified at different temperatures.
| 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 5SY4114-8 circuit breaker is 0.3A at 35°C.
The switching capacity according to EN 60898 is 10 kA, and according to IEC 60947-2 it is 35 kA.
The supply voltage at AC is rated for 400V, and the insulation voltage is rated for 440V.
Yes, the Siemens 5SY4114-8 circuit breaker is halogen-free.