ABB circuit breakers are used to protect electrical circuits from overloads and short circuits. They are available in a variety of sizes, each with its own set of features and applications.
The size of an ABB circuit breaker is determined by its interrupting rating, which is the maximum current that the breaker can safely interrupt. Interrupting rating is expressed in kiloamperes (kA).
The following table lists the interrupting ratings of ABB circuit breakers:
| Interrupting Rating | Breaker Size | |---|---| | 6 kA | 00 | | 10 kA | 1 | | 16 kA | 2 | | 25 kA | 3 | | 32 kA | 4 | | 40 kA | 5 | | 50 kA | 6 | | 63 kA | 7 | | 80 kA | 8 | | 100 kA | 9 | | 125 kA | 10 | | 150 kA | 11 | | 175 kA | 12 | | 200 kA | 13 | | 225 kA | 14 | | 250 kA | 15 |
In addition to interrupting rating, ABB circuit breakers are also available in a variety of other features, such as:
* Voltage ratings: ABB circuit breakers are available in voltages ranging from 120 volts to 600 volts. * Trip mechanisms: ABB circuit breakers can be equipped with a variety of trip mechanisms, including thermal, magnetic, and electronic. * Enclosure types: ABB circuit breakers are available in a variety of enclosure types, including molded case, panel mount, and DIN rail mount.
ABB circuit breakers are used in a wide variety of applications, including:
* Industrial applications * Commercial applications * Residential applications * Power generation and distribution
ABB circuit breakers are a reliable and safe way to protect electrical circuits from overloads and short circuits. They are available in a variety of sizes, features, and applications to meet the needs of any project.
For more information on ABB circuit breakers, please visit the ABB website.
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