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The Siemens 5SY4332-8 is a 3-pole miniature circuit breaker designed for industrial applications. It offers a rated operational current of 32A at 35°C and a rated voltage of 400V AC.
This circuit breaker utilizes a D-curve tripping characteristic, suitable for protecting circuits with high inrush currents. It has a switching capacity of 10kA according to EN 60898 and 20kA according to IEC 60947-2. The device is designed for DIN rail mounting and features touch protection for enhanced safety.
Key electrical specifications include an insulation voltage (Ui) of 440V and a maximum DC operating voltage of 72V. The power loss per pole is 2.1W. The breaker supports a wide range of conductor cross-sections, from 0.75 mm² to 35 mm² for solid and stranded conductors.
Environmental considerations include a degree of pollution of 3 and an IP20 protection class with connected conductors. The mechanical service life is rated for a typical 10,000 switching cycles. It is also halogen-free and silicon-free.
| 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 is 32 A at 35 °C.
The rated voltage is 400 V.
It has 3 poles.
The tripping characteristic is Class D.
The switching capacity is 10 kA according to EN 60898 and 20 kA according to IEC 60947-2.
It accepts solid and stranded conductors from 0.75 mm² to 35 mm², and finely stranded conductors with core end processing from 0.75 mm² to 25 mm².
Yes, it is halogen-free.