5SJ4125-8HG40
Siemens
The Siemens 5SJ4125-8HG40 is a 1-pole miniature circuit breaker with a 25A current rating and 400V voltage rating. It offers a 10kA switching capacity.
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The Siemens 5SJ4125-6HG40 is a 1-pole miniature circuit breaker designed for industrial and mechanical engineering applications. It operates with a rated current of 25A and features a B tripping characteristic.
This circuit breaker has a high short circuit breaking capacity of 14kA according to UL 1077 and CSA C22.2 No.235. It is suitable for AC/DC voltage and has an insulation voltage of 440V AC. The device is designed for DIN rail mounting and has a compact width of 18mm.
Key features include touch protection, combined terminals, and halogen-free construction. The mechanical service life is rated for a typical 10,000 switching cycles. It is also sealable and silicon-free, making it suitable for various demanding environments.
B curve.
1 pole.
15 kA.
120 V AC.
Yes, per the datasheet.
DIN rail (standard mounting rail).
10,000 switching cycles.