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This Siemens 5SY4125-8 is a 1-pole miniature circuit breaker suitable for mechanical engineering and industrial applications. It operates with AC voltage and has a rated supply voltage of 400V, with a single-phase operation rating of 230V.
The breaker offers a switching capacity of 10kA according to EN 60898 and 20kA according to IEC 60947-2. It has a tripping characteristic class of D and an operational current rating of 25A at 35°C, with derated values at higher temperatures. The device features touch protection and is sealable.
Designed for DIN rail mounting, the circuit breaker has a width of 18mm and an installation depth of 70mm. It supports conductor cross-sections from 0.75 mm² to 35 mm² for solid and stranded wires. The breaker is halogen-free and silicon-free, meeting specific environmental requirements.
| 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 25A at 35°C.
The rated supply voltage is 400V AC, and the insulation voltage (Ui) is 440V AC.
The switching capacity is 10kA according to EN 60898 and 20kA according to IEC 60947-2.
The tripping characteristic class is D.
It uses DIN rail mounting with a quick assembly system.
Yes, the Siemens 5SY4125-8 is halogen-free.