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The Siemens 5SJ41258HG41 is a miniature circuit breaker from the 5SJ4 series, designed for reliable protection in industrial and mechanical engineering applications. This 1-pole breaker operates with a rated current of 25A and features a D-trip characteristic.
Key electrical specifications include an operating voltage of up to 240V AC according to UL 489 and CSA C22.2 No. 5-02, and a supply voltage frequency of 50 Hz. The switching capacity is rated at 10kA according to EN 60898 and 15kA according to IEC 60947-2. It also has a breaking capacity of 10kA at AC according to UL 1077 and CSA C22.2 No.235.
Mechanically, the unit measures 110 mm in height, 18 mm in width, and 70 mm in depth, with an installation depth of 70 mm. It mounts on a standard DIN rail and has a net weight of 170g. The breaker is designed with touch protection and features combined terminals for both top and bottom connections. It is also halogen-free and silicon-free.
This circuit breaker is suitable for environments with specific EMC considerations and has an overvoltage category of 3 and a degree of pollution of 3. The mechanical service life is typically 10,000 switching cycles.
| 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 at AC is 25A.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The maximum AC operating voltage according to UL 489 and CSA C22.2 No. 5-02 is 240 V.
The tripping characteristic class is D.
Yes, the product feature indicates it is halogen-free.
The dimensions are 110 mm in height, 18 mm in width, and 70 mm in depth.