Additionally, the presence of loose coal dust and other combustible materials makes the occurrence of such faults very hazardous. ... carrying current in opposite directions. ln some cases, the current-limiting contacts are a second set of contacts in series with the primary contacts. ... Current-limiting circuit breakers are available from 15-60() amperes, rated up to ... Molded-case switches meet the requirements of the National Electrical Code Section 430-109: aThe disconnecting meansanbsp;...
Title | : | Conference record of the IEEE Industry Applications Society Annual Meeting |
Author | : | IEEE Industry Applications Society. Meeting, IEEE Industry Applications Society |
Publisher | : | IEEE - 1992 |
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