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Over the years there has been a continual increase in the rating requirements for metal-clad switchgear. Both the continuous ratings and the interrupting values have been pushed upwards in order to keep pace with the growing needs of industrial and utility electric power systems. Each rating increase has generally led to the need for better insulation for one or more of the following reasons: higher...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.