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The Siemens 5SJ4105-7HG41 is a miniature circuit breaker (MCB) from the 5SJ4 series, designed for reliable protection in industrial and mechanical engineering applications. This 1-pole device operates at a rated voltage of 400V AC and has a maximum operating voltage of 240V AC according to UL 489 and CSA C22.2 No. 5-02 standards.
Key electrical specifications include a tripping characteristic class C, a rated operational current of 0.5A at 30°C, and a significant short circuit breaking capacity of 10 kA according to EN 60898 and 15 kA according to IEC 60947-2. It also features a breaking capacity of 14 kA according to UL 1077 and CSA C22.2 No.235.
Designed for ease of installation, the 5SJ4105-7HG41 has a width of 18mm, a depth of 70mm, and mounts on a standard DIN rail. It supports conductor cross-sections from 0.75 mm² to 25 mm² with core end processing, and has a maximum tightening torque of 3.5 N·m for screw-type terminals. The breaker is halogen-free, sealable, and silicon-free, contributing to environmental and safety considerations in its application.
The rated operational current is 0.5A at 30°C and 40°C.
The breaking capacity is 10kA according to EN 60898 and 15kA according to IEC 60947-2. Per UL 1077, the short-circuit breaking capacity is 14kA.
The operating voltage is 240V AC maximum per UL 489 and CSA C22.2 No. 5-02, and 60V DC maximum (single channel) or 125V DC maximum (2-channel) per the same standards.
The tripping characteristic is C.
The mechanical service life is 10,000 switching cycles.
The protection class is IP20, with connected conductors, and IP40 in the handle range.
The breaker is mounted on a standard DIN rail and can be installed in any position.