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| Automotive Grade | |
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| Halogen Free | |
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| Medical Grade | |
| Military Grade | |
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| SVHC Present | |
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This Siemens 5SJ4211-8HG42 is a 2-pole miniature circuit breaker from the 5SJ4 series, designed for reliable circuit protection in industrial and mechanical engineering applications.
It features a D-type tripping characteristic and a rated current of 5A, with a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. The breaker operates with a supply voltage of 400V AC at 50Hz and has an insulation voltage of 440V AC. It supports a maximum operating voltage of 277V AC according to UL 489 and CSA C22.2 No. 5-02.
Designed for DIN rail mounting, this circuit breaker offers a mechanical service life of 10,000 switching cycles. It has a protection class of IP20 with connected conductors and IP40 in the handle range. The unit is halogen-free, sealable, and silicon-free, with touch protection and the capability for installable supplementary devices. Terminal tightening torque is specified at a maximum of 3.5 N·m.
Key electrical specifications include a 5A operational current at 30°C and 40°C, decreasing slightly at higher temperatures. The breaker is suitable for environment B regarding EMC. Its dimensions are 121mm height, 36mm width, and 70mm depth, with an installation depth of 70mm. The net weight is 330g.
The rated current is 5 A at 30 °C.
The tripping characteristic is D.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
Maximum operating voltage is 277 V AC and 60 V DC (single channel) or 125 V DC (2-channel).
The mechanical service life is 10,000 switching cycles.
Height is 121 mm, width is 36 mm, and depth is 70 mm.
Yes, the product is halogen-free.