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The Siemens 5SJ4102-7HG40 is a 1-pole miniature circuit breaker designed for reliable circuit protection in industrial and mechanical engineering applications. It features a tripping characteristic class C and a rated operational current of 2A at 40°C, with a derated current of 1.8A at 60°C.
This circuit breaker offers a switching capacity of 10 kA according to EN 60898 and 15 kA according to IEC 60947-2, with a short circuit breaking capacity of 14 kA according to UL 1077. It operates with a rated supply voltage of 400V AC and has an insulation voltage of 440V AC. The device is suitable for AC/DC operation and meets overvoltage category 3 and degree of pollution 3 standards.
Designed for easy installation, the 5SJ4102-7HG40 mounts on a standard DIN rail and has a width of 18mm, corresponding to 1 modular width unit. It features combined terminals at both the top and bottom for flexible wiring. The breaker is touch-protected and has a mechanical service life of typically 10,000 switching cycles. It is also halogen-free and silicon-free, contributing to environmental safety.
The operating voltage is 400V AC rated (supply), 440V AC insulation, and 120V AC maximum per UL 489. For DC, maximum is 60V.
Each package contains 1 unit with dimensions 21.00 x 93.00 x 83.00 mm.
10kA according to EN 60898 and 15kA according to IEC 60947-2.
10,000 switching cycles.
DIN rail mounting (standard mounting rail).
IP20 with connected conductors, IP40 in the handle range.
C curve.