5SJ42258HG41
Siemens
The Siemens 5SJ42258HG41 is a 2-pole miniature circuit breaker with a 25A current rating and D-trip characteristic. It is designed for DIN rail mounting.
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This Siemens 5SJ42257HG41 is a 2-pole miniature circuit breaker from the SENTRON 5SJ4 series. It is rated for 25A operational current at AC and features a C-trip characteristic. The breaker offers a short circuit breaking capacity of 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
Designed for industrial and mechanical engineering applications, this MCB operates with a rated supply voltage of 400V AC and has an insulation voltage (Ui) of 440V AC. It supports DC operating voltages up to 60V for single channel and 125V for 2-channel configurations.
The unit is suitable for environment B regarding EMC and has a protection class of IP20 with connected conductors, and IP40 in the handle range. It features combined terminals on both top and bottom, touch protection, and is sealable. The breaker is designed for DIN rail mounting and has a mechanical service life of 10,000 switching cycles.
Key electrical specifications include a rated supply voltage frequency of 50 Hz and a power loss of 2.9W per pole at rated current in hot operating state. It accepts conductor cross-sections from 0.75 mm² to 25 mm² with core end processing, and the maximum tightening torque for screw terminals is 3.5 N·m.
The rated operational current is 25 A at 30 °C and 40 °C.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2. The short-circuit breaking capacity per UL 1077 is 14 kA.
The rated supply voltage is 400 V AC at 50 Hz. The maximum operating voltage is 240 V AC per UL 489 and 60 V DC (single channel) or 125 V DC (2-channel) per UL 489.
The mechanical service life is 10,000 switching cycles.
The dimensions are 110 mm height, 36 mm width, and 70 mm depth. It occupies 2 modular width units.
Yes, the product is halogen-free.
It is designed for DIN rail mounting and can be mounted in any position.