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The Siemens 5SJ4210-7HG41 is a miniature circuit breaker from the 5SJ4 series, designed for reliable circuit protection in industrial and mechanical engineering applications. This 2-pole device operates with a C-trip characteristic and offers a rated current of 10A at 30°C, with a maximum switching capacity of 14kA according to UL 1077 and CSA C22.2 No.235.
Key electrical specifications include an operating voltage of up to 240V AC according to UL 489 and CSA C22.2 No. 5-02, and a supply voltage frequency of 50 Hz. The insulation voltage is rated at 440V AC. The breaker features a mechanical service life of typically 10,000 switching cycles and provides touch protection.
Designed for convenience, the 5SJ4210-7HG41 mounts on a standard DIN rail and has a width of 36mm, corresponding to 2 modular width units. It supports finely stranded conductors with core end processing from 0.75 mm² to 25 mm², with a maximum tightening torque of 3.5 N·m for screw terminals. The device is halogen-free and silicon-free, contributing to environmental compliance.
The AC operating voltage is 240V maximum (UL) and 400V rated (IEC). The DC operating voltage is 60V maximum for single-channel and 125V for 2-channel.
The rated current is 10A at 30°C and 40°C, with derating at higher temperatures.
The tripping characteristic is C (C-trip), designed for moderate inrush currents.
Switching capacity is 10kA according to EN 60898, 15kA according to IEC 60947-2, and 14kA according to UL 1077.
It mounts on a standard DIN rail, with any mounting position allowed.
Yes, it is halogen-free.
It is approved by CCC, CE, CSA, EAC, UL, and VDE.