automatic circuit breaker

Also found in: Dictionary, Thesaurus, Financial, Acronyms.
Related to automatic circuit breaker: MCCB

circuit breaker

An electric device for opening and closing a circuit, designed to open the circuit automatically upon flow of a predetermined value of abnormally high current; may be repeatedly reclosed and reused as an automatic over-current protection device without replacement of any components.
References in periodicals archive ?
We believe that, along with the new trading regulations introduced in the second half of 2010 as a result of the cooperation of the ISE and the CMB, the ISE Automatic Circuit Breaker System constitutes a milestone in efficient market surveillance," the ISE said in a statement on its website.
Two tenders for the rehabilitation/ replacement of (a) the automatic circuit breakers serving the low pressure switchboard of the power station at the Horses Riding Stadium, also (b) maintenance of power transformers at different locations within the Stadium's premises.
For electrical machinery, the country toped among JapanAEs markets for automatic circuit breakers, electric conductors and liquid transformers.
Units with more than 1-amp capacity feature four or eight separate circuits, each protected by automatic circuit breakers with status indicators.
Request for proposals for The right to enter into an Agreement for the supply of automatic circuit breakers of up to 1000 V for performance of main activities and technological connection of the branch of OAO IDGC of the Urals, Permenergo, in 2018.

Full browser ?