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What does MCOV rating of a surge arrester mean?

← Arresters
MCOV stands for the Maximum Continuous Operating Voltage. It represents the power frequency voltage that may be continuously applied to a surge arrester.

The MCOV selected for a given system voltage is a function of the maximum line-to-line voltage as well as the system grounding parameters. Hubbell Power Systems, Inc. application engineers can assist with the proper MCOV selection for your specific requirement. 

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