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The Siemens 5SJ4104-7HG42 is a 1-pole miniature circuit breaker from the 5SJ4 series, suitable for industrial and mechanical engineering applications. It offers a rated operational current of 4A at 30°C and a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2.
This circuit breaker operates with a C-trip characteristic and has an insulation voltage of 440V AC. It is designed for DIN rail mounting and features combined terminals for both top and bottom connections. The device is halogen-free, sealable, and silicon-free, contributing to its suitability in various environments.
Key electrical specifications include a supply voltage of 400V AC and an operating voltage of up to 277V AC according to UL 489 and CSA C22.2 No. 5-02. It also supports DC operation up to 60V for single channels and 125V for dual channels. The protection class is IP20 with connected conductors and IP40 in the handle range.
With a mechanical service life of typically 10,000 switching cycles, the 5SJ4104-7HG42 is built for reliability. Its dimensions are 121mm in height, 18mm in width, and 70mm in depth, occupying one modular width unit on a standard mounting rail.
The rated current is 4A at ambient temperatures of 30°C and 40°C, with derating at higher temperatures.
The breaking capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The operating voltage is 277 V AC under UL 489 and CSA standards, with a supply voltage of 400 V AC and insulation voltage of 440 V AC.
It has a C tripping characteristic, suitable for moderate inrush currents.
Height 121 mm, width 18 mm, depth 70 mm. It occupies one modular width unit (18 mm).
Yes, the product is halogen-free.
It mounts on a standard DIN rail and can be installed in any position.