5SJ4204-7HG42
Siemens
The Siemens 5SJ4204-7HG42 is a 2-pole miniature circuit breaker with a 4A operational current and a 10kA switching capacity. It is designed for industrial applications and meets UL 489 standards.
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The Siemens 5SJ4204-8HG42 is a 2-pole miniature circuit breaker from the 5SJ4 series, designed for robust performance in industrial environments. It offers a 4A operational current rating at 30°C and a high switching capacity of 10kA according to EN 60898.
This circuit breaker operates with a D-trip characteristic and supports AC/DC voltage types. It has an insulation voltage (Ui) of 440V AC and a rated supply voltage of 400V AC at 50Hz. The device is suitable for mechanical engineering and industrial applications, featuring touch protection and combined terminals for ease of connection.
Installation is facilitated via DIN rail mounting. The breaker has a mechanical service life of 10,000 switching cycles and meets environmental standards including being halogen-free and silicon-free. Its compact design with dimensions of 121mm height, 36mm width, and 70mm depth makes it suitable for various panel configurations.
D curve.
4A at 30°C and 40°C, derated at higher temperatures (e.g., 3.6A at 60°C).
10kA according to EN 60898 and 15kA according to IEC 60947-2.
CCC, CE, CSA, EAC, UL, VDE.
DIN rail mounting on standard mounting rail.
Overvoltage category 3, pollution degree 3.
Finely stranded conductors from 0.75 mm² to 25 mm² with core end processing.