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This Siemens 5SJ41207HG41 is a 1-pole miniature circuit breaker from the 5SJ4 series, designed for industrial and mechanical engineering applications. It features a C-trip characteristic and an operational current rating of 20A at 30°C, with a maximum AC operating voltage of 240V according to UL 489 and CSA C22.2 No. 5-02.
The breaker provides a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. It is built with a mechanical service life of 10,000 switching cycles and offers touch protection. The unit is suitable for installation in environment B regarding EMC.
With a compact design, the circuit breaker has a width of 18mm and a depth of 70mm, fitting onto a standard DIN rail. It supports conductor cross-sections from 0.75 mm² to 25 mm² and has a maximum tightening torque of 3.5 N·m for its screw terminals. The protection class is IP20 with connected conductors and IP40 in the handle range.
The rated operational current is 20A at AC.
It has a C-trip characteristic.
The maximum operating voltage is 240V AC according to UL 489 and CSA C22.2 No. 5-02.
It has a breaking capacity of 14 kA at AC according to UL 1077 and CSA C22.2 No.235, and 10 kA according to EN 60898.
It is a 1-pole miniature circuit breaker.
The mechanical service life is 10,000 switching cycles.
The width is 18 mm, which corresponds to 1 modular width unit.