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Article: Low-voltage circuit breaker basics. (Reference File).
- Article from:
- Plant Engineering
- Article date:
- March 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 Reed Business Information, Inc. (US). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A circuit breaker is designed to keep an undesirably large amount of current, voltage, or power out of a given part of an electrical circuit.
Industrial circuit breaker categories tend to follow voltage classes, which are divided according to magnitude. The IEEE divides voltage systems into four classes listed in the table titled "IEEE voltage classifications."
Circuit breakers found in industrial, plants accommodate all voltage levels. However, low and medium-voltage circuit breakers comprise the lion's share of switchgear used in industrial manufacturing plants. The focus of this article is limited to low-voltage circuit breakers.
The main ...