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Wiktionary(0.00 / 0 votes)Rate this definition: switchgear(Noun) A switching/ interrupting device used in connection with generation, transmission, distribution and conversion of electric power for controling, metering protecting and regulating devices. 52G breaker is the unit main power output breaker.
The application of switchgear and switchboards. One important element of good power system design is the proper selection of the distribution equipment. The choice of using either switchgear or switchboard must be based on many different criteria and the design of the power system requires thought be given to each one.