5SJ42187HG41
Siemens
The Siemens 5SJ42187HG41 is a 2-pole miniature circuit breaker designed for 240V AC operation with a 15A current rating. It offers a 14kA breaking capacity and a C-trip characteristic.
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The Siemens 5SJ42188HG41 is a miniature circuit breaker from the 5SJ4 series, designed for reliable circuit protection in industrial and mechanical engineering applications. This 2-pole device features a D-trip characteristic and a rated operational current of 15A at 30°C and 40°C, with a maximum switching capacity of 15 kA according to IEC 60947-2.
With an insulation voltage of 440V AC and an operating voltage of up to 240V AC (UL 489) or 125V DC (2-channel, UL 489), this circuit breaker is suitable for various power systems. It offers a mechanical service life of 10,000 switching cycles and is built with halogen-free and silicon-free materials. The device has a protection class of IP20 with connected conductors and IP40 in the handle range.
Designed for easy installation, the 5SJ42188HG41 mounts on a standard DIN rail and has a width of 36mm, corresponding to 2 modular width units. It accepts conductor cross-sections from 0.75 mm² to 25 mm² with a maximum tightening torque of 3.5 N·m. The compact dimensions (110mm height, 70mm depth) make it suitable for space-constrained electrical panels.
The rated operational current is 15A at 30°C and 40°C.
The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.
This circuit breaker has 2 poles.
The tripping characteristic is Class D.
The maximum operating voltage is 240V AC according to UL 489 and CSA C22.2 No. 5-02, 60V DC single channel, and 125V DC 2-channel.
It is designed for DIN rail mounting.
Yes, the product is halogen-free.