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The Siemens 5SJ4111-8HG42 is a 1-pole miniature circuit breaker from the 5SJ4 series, suitable for mechanical engineering and industrial applications. It operates with a D-trip characteristic and has a rated operational current of 5A at 30°C, with derating at higher temperatures.
This circuit breaker offers a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. It supports a maximum operating voltage of 277V AC according to UL 489 and CSA C22.2 No. 5-02, and 60V DC. The device is designed for DIN rail mounting and features combined terminals at both the top and bottom for flexible connections.
Key features include a mechanical service life of 10,000 switching cycles, touch protection, and halogen-free construction. The protection class is IP20 with connected conductors and IP40 in the handle range. It is also sealable and silicon-free, making it suitable for various demanding environments.
D
10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
5 A at 30°C and 40°C, with derating at higher temperatures.
277 V AC (UL 489), 60 V DC single channel, 125 V DC 2-channel.
On a standard DIN rail, in any position.
10,000 switching cycles.