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The Siemens 5SJ4201-7HG42 is a miniature circuit breaker from the 5SJ4 series, designed for reliable circuit protection in industrial environments. This 2-pole device features a tripping characteristic class C and an operational current rating of 1A at 30°C, with a maximum switching capacity of 10kA according to EN 60898.
With an insulation voltage of 440V AC and a supply voltage rating of 400V AC, it is suitable for various AC/DC applications. The breaker offers a protection class of IP20 with connected conductors and IP40 in the handle range. It supports conductor cross-sections from 0.75 mm² to 25 mm² and has a mechanical service life of 10,000 switching cycles.
Designed for mechanical engineering and industrial use, the 5SJ4201-7HG42 is halogen-free, sealable, and silicon-free. It mounts on a standard DIN rail and has dimensions of 121mm height, 36mm width, and 70mm depth, with an installation depth of 70mm. The device is also compliant with RoHS3 standards.
The rated supply voltage is 400 V AC at 50 Hz.
The MCB has a C tripping characteristic.
10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The mechanical service life is 10,000 switching cycles typical.
Pollution degree 3 and overvoltage category 3.
1.7 W per pole in hot operating state at AC.
DIN rail mounting on standard mounting rail.