5SJ4308-8HG41
Siemens
The Siemens 5SJ4308-8HG41 is a 3-pole miniature circuit breaker with a D-trip characteristic. It features an 8A operational current rating and a 400V AC supply voltage.
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This Siemens 5SJ4 miniature circuit breaker is a 3-pole device designed for industrial and mechanical engineering applications. It operates with a rated current of 8A and features a C-trip characteristic.
The breaker has a rated supply voltage of 400V AC and an operating voltage of up to 240V AC according to UL 489 and CSA C22.2 No. 5-02 standards. Its switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2. The short circuit breaking capacity is 14 kA at AC.
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of 10,000 switching cycles. It is halogen-free and silicon-free, with a touch-protected design. The device supports conductor cross-sections from 0.75 mm² to 25 mm² and has a maximum tightening torque of 3.5 N·m.
Key electrical specifications include an insulation voltage of 440V AC and a power loss of 2.6W per pole at rated current in a hot operating state. The protection class is IP20 with connected conductors and IP40 in the handle range.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 240 V AC and 60 V DC.
It has 3 poles.
The tripping characteristic is class C.
The mechanical service life is 10,000 switching cycles.
Yes, it is halogen-free.
Yes, it is suitable for environment B with pollution degree 3.