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This Siemens 5SJ4325-7HG42 is a 3-pole miniature circuit breaker from the 5SJ4 series. It offers a rated operational current of 25A at 400V AC and features a tripping characteristic class C. The breaker has a mechanical service life of 10,000 switching cycles and a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2.
Designed for industrial and mechanical engineering applications, this circuit breaker supports a wide operating voltage range, including up to 277V AC according to UL 489 and CSA C22.2 No. 5-02, and up to 125V DC in a 2-channel configuration. It has a protection class IP20 with connected conductors and IP40 in the handle range. The device is halogen-free, sealable, and silicon-free, with combined terminals at both the top and bottom for flexible connections.
With dimensions of 121mm height, 54mm width, and 70mm depth, it mounts on a standard DIN rail. The net weight is 497g. The breaker is suitable for environment B regarding EMC and has an overvoltage category of 3 and degree of pollution 3.
Rated AC supply voltage is 400 V (50 Hz). Insulation voltage is 440 V AC. Maximum operating voltage per UL 489 varies: 277 V AC, 60 V DC single channel, 125 V DC 2-channel.
It has a C-curve tripping characteristic.
Breaking capacity is 10 kA according to EN 60898, 15 kA according to IEC 60947-2, and 10 kA according to UL 1077.
Yes, the product is halogen-free.
The mechanical service life is 10,000 switching cycles typical.
Protection class is IP20, with connected conductors it becomes IP40 in the handle range.
It mounts on a standard DIN rail (fastening method: on standard mounting rail).