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Search results with tag "Guide to circuit breaker standards"
GUIDE TO CIRCUIT BREAKER STANDARDS
www.123seminarsonly.cominstallations. In the UK traditionally known as moulded case circuit breakers (MCCB’s ) and also air circuit breakers (ACB’s). The guide also shows the timing for the introduction of the new standards and withdrawal of existing standards. From 1 January 1997, all IEC publications have the number 60000 added to the