5SJ42138HG41

The Siemens 5SJ42138HG41 is a 2-pole miniature circuit breaker from the 5SJ4 series, suitable for mechanical engineering and industrial applications. It features a D-trip characteristic and a rated operational current of 13A at 30°C, with a maximum AC operating voltage of 240V according to UL 489 and CSA C22.2 No. 5-02. The switching capacity is rated at 10 kA according to EN 60898 and 15 kA according to IEC 60947-2, with a short-circuit breaking capacity of 14 kA at AC according to UL 1077 and CSA C22.2 No.235.

This circuit breaker is designed for DIN rail mounting and has a mechanical service life of 10,000 switching cycles. Its dimensions are 110 mm in height, 36 mm in width, and 70 mm in depth, with an installation depth of 70 mm. It offers touch protection and is halogen-free, sealable, and silicon-free. The device supports installable supplementary devices and has a protection class of IP20 with connected conductors and IP40 in the handle range.

Connections are made via combined terminals at the top and bottom. The connectable conductor cross-section for finely stranded conductors with core end processing ranges from a minimum of 0.75 mm² to a maximum of 25 mm². The maximum tightening torque for screw-type terminals is 3.5 N·m. The breaker operates with a supply voltage frequency of 50 Hz and has an insulation voltage (Ui) of 440V at AC.