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The Siemens 5SJ4308-8HG41 is a miniature circuit breaker designed for industrial and mechanical engineering applications. This 3-pole device operates with a D-trip characteristic and has a rated operational current of 8A at AC. It supports a supply voltage of up to 400V AC and offers a switching capacity of 10 kA according to EN 60898.
Key electrical specifications include an insulation voltage of 440V AC and a breaking capacity of 14 kA at AC according to UL 1077. The circuit breaker is suitable for environment B regarding EMC and has a degree of pollution of 3. It features touch protection and is sealable.
Mechanically, the 5SJ4308-8HG41 is designed for DIN rail mounting, with a width of 54 mm and an installation depth of 70 mm. It supports conductor cross-sections from 0.75 mm² to 25 mm² with core end processing. The device also meets halogen-free and silicon-free 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 at AC is 8A.
The supply voltage at AC is rated for 400V.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
It is designed for mounting on a standard DIN rail.
The protection class is IP20 with connected conductors, and IP40 in the handle range.
Yes, this product feature is halogen-free.