The BA and BB Series are heavy-duty industrial Metal-Oxide Varistors (MOVs) designed to provide surge protection for motor controls and power supplies in heavy industrial AC line applications.

Key Features

These varistors offer high energy absorption capability, a wide operating voltage range, and rigid terminals for secure wire contact. They also feature a case design that provides complete electrical isolation of the disc subassembly.

No derating is required up to 85°C ambient, and they are RoHS compliant.


These varistors are suitable for use in oil-drilling, mining, transportation equipment, and other heavy industrial AC line applications.


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