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The Siemens 5SJ4211-7HG42 is a 2-pole miniature circuit breaker designed for industrial and mechanical engineering applications. It features a C-curve tripping characteristic and an operational current rating of 5A at 30°C and 40°C, with a maximum switching capacity of 10kA according to EN 60898.
This circuit breaker operates with AC/DC voltage and has an insulation voltage of 440V AC. It is suitable for a supply voltage of 400V AC and offers various operating voltage limits for AC and DC applications, including up to 277V AC according to UL 489 and CSA C22.2 No. 5-02.
Designed for reliability, it has a mechanical service life of 10,000 switching cycles and a protection class of IP20 with connected conductors. The unit measures 121mm in height, 36mm in width, and 70mm in depth, with a mounting depth of 70mm. It mounts on a standard DIN rail and has a net weight of 337g. The breaker is halogen-free, sealable, and silicon-free, making it suitable for various environmental conditions.
Connection is facilitated by combined terminals at the top and bottom, and it accepts conductor cross-sections from 0.75mm² to 25mm² finely stranded with core end processing. The tightening torque for screw-type terminals is a maximum of 3.5 N·m.
The operational current rating is 5A at 30°C and 40°C, and it decreases slightly at higher temperatures.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
The insulation voltage is 440V AC, and the rated supply voltage is 400V AC. It can operate at up to 277V AC according to UL 489.
This circuit breaker has 2 poles.
The tripping characteristic is Class C.
The dimensions are 121mm in height, 36mm in width, and 70mm in depth.
Yes, the Siemens 5SJ4211-7HG42 is halogen-free.