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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.
Below is the beginning of a relay coordination study Carolina Precision Switchgear provided for one of our customers. Information used was provided via a power riser diagram E0.2 and copy of hand written notes of existing settings and breaker trip unit sizes. Where information was lacking it is note below.