diaparo, in the context of circuit breakers, refers to the opening of the contacts when a fault occurs; cierre refers to the closing of the contacts to restore power to the supplied circuit. The source text is saying that both these operations require 125 Vdc commands.

Vacuum contactor retrofit of a low-voltage power circuit breaker ... - [ Traducir esta página ]
de JD Fischer - 1995
simultaneous "trip" and "close" commands result in the contactor remaining open. ... The low-voltage power circuit breakers are regulated by the ...
ieeexplore.ieee.org/iel3/3967/11454/00527003.pdf[PDF] Design and Fabrication of Low-Voltage Metal-Enclosed AC Power ... - [ Traducir esta página ]
Formato de archivo: PDF/Adobe Acrobat - Vista rápida
4.2.1 Low-voltage power circuit breakers shall be air break type and shall be ..... relays, and breaker trip and close circuits ...
www.pip.org/downloads/Sample-ELSSG01.pdf - SimilaresElectric Power & Transmission & Distribution - Medium Voltage ... - [ Traducir esta página ]
3 entradas - 3 autores
What you have is just what is in the breaker, there will be a fair amount of additional control circuitry that determines when the trip and close circuits ...
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[DOC] Balanced Dashboards - [ Traducir esta página ]
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Sample Specification for Medium Voltage Replacement Breakers - General ... Manual trip and close handles shall be identified as “trip” and “close. ...
www.energy.siemens.com/...voltage...voltage...breakers/.../... - Estados Unidos