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This Siemens 5SJ43187HG41 is a miniature circuit breaker (MCB) from the 5SJ4 series, designed for robust protection in industrial and mechanical engineering applications. It features a 3-pole configuration, a C-type tripping characteristic, and a rated operational current of 15A at 30°C, with derating at higher temperatures.
The breaker provides a significant switching capacity of 10 kA according to EN 60898 and 15 kA according to IEC 60947-2. It is designed for AC/DC operation with a maximum operating voltage of 240V AC according to UL 489 and CSA C22.2 No. 5-02, and up to 125V DC in a 2-channel configuration. The unit is built to withstand overvoltage category 3 and pollution degree 3.
With a mechanical service life of 10,000 switching cycles, the 5SJ43187HG41 is suitable for demanding environments. It offers touch protection and can be sealed for security. The breaker mounts on a standard DIN rail and has a width of 54mm, corresponding to 3 modular width units. It supports conductor cross-sections from 0.75 mm² to 25 mm² with a maximum tightening torque of 3.5 N·m.
Compliance includes UL 489 and CSA C22.2 No. 5-02 standards. The product is halogen-free and silicon-free, contributing to safer installations. It is also suitable for environment B regarding EMC.
The operating voltage is 240V AC maximum according to UL 489 and CSA C22.2 No. 5-02, and 400V AC rated supply voltage. For DC, it is 60V maximum (single channel) or 125V (2-channel).
It has 3 poles.
C-trip characteristic.
10kA according to EN 60898 and 15kA according to IEC 60947-2.
IP20 with connected conductors, IP40 in the handle range.
Any mounting position.
Yes, it is halogen-free.