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This Siemens 5SJ4 miniature circuit breaker, part number 5SJ43408HG41, is a 3-pole device designed for robust circuit protection. It operates with a rated supply voltage of 400V AC and offers an operating voltage of up to 240V AC according to UL 489 and CSA C22.2 No. 5-02 standards. The breaker has a tripping characteristic class D and a switching capacity of 10kA according to EN 60898.
With a mechanical service life of typically 10,000 switching cycles, this circuit breaker is suitable for industrial and mechanical engineering applications. It features combined tunnel terminals for easy connection and a protection class of IP20 with connected conductors. The device is halogen-free, sealable, and silicon-free, meeting stringent environmental requirements.
Key electrical specifications include a 40A operational current rating at 30°C and 40°C, with a maximum switching capacity current of 15kA according to IEC 60947-2. The breaker is designed for DIN rail mounting and has a compact width of 54mm, corresponding to 3 modular width units. Its dimensions are 110mm height, 54mm width, and 70mm depth, with an installation depth of 70mm.
| 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 40A at 30°C and 40°C.
The rated supply voltage is 400V AC, and the maximum operating voltage is 240V AC according to UL 489 and CSA C22.2 No. 5-02.
The switching capacity current is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
This circuit breaker is designed for DIN rail mounting.
Yes, the Siemens 5SJ43408HG41 is halogen-free.