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The Siemens 5SJ4135-6HG40 is a 1-pole miniature circuit breaker from the 5SJ4 series, designed for robust electrical protection in industrial and mechanical engineering applications.
This breaker features a tripping characteristic class B and an operational current rating of 35A at 40°C, with a rated supply voltage of 400V AC. It provides a significant switching capacity of 10 kA according to EN 60898 and 15 kA according to IEC 60947-2, ensuring protection against overcurrents and short circuits. The unit is built to withstand a short circuit breaking current of 14 kA according to UL 1077 and CSA C22.2 No.235.
Designed for mechanical engineering and industry, the 5SJ4135-6HG40 offers a mechanical service life of typically 10,000 switching cycles. It has a compact design with a width of 18 mm and a depth of 70 mm, suitable for mounting on a standard DIN rail. The breaker is halogen-free and sealable, with combined terminals at both the top and bottom for flexible connections. It supports finely stranded conductors with core end processing from 0.75 mm² to 25 mm².
Additional features include touch protection and the ability to install supplementary devices. The protection class is IP20 with connected conductors and IP40 in the handle range. This circuit breaker is suitable for environment B regarding EMC.
The rated operational current is 35A at 30°C and 40°C, 34A at 45°C, 32.9A at 50°C, 31.8A at 55°C, and 30.8A at 60°C.
The switching capacity is 10kA according to EN 60898 and 15kA according to IEC 60947-2. The short-circuit breaking capacity is 14kA according to UL 1077 and CSA C22.2 No.235.
The tripping characteristic is B.
The rated supply voltage is 400V AC at 50Hz. The maximum operating voltage is 120V AC according to UL 489 and CSA C22.2 No. 5-02, and 60V DC (rated value, maximum).
The mechanical service life is 10,000 switching cycles.
The dimensions are 90mm height, 18mm width, and 70mm depth. It occupies 1 modular width unit.
The protection class is IP20 with connected conductors, and IP40 in the handle range.