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Varistor - Slide8

Abnormal overvoltage test conditions were also modified in 3rd edition. Type 1 and Type 2 devices are tested for short circuit capability from 5kA to 200kA depending upon the desired rating of the manufacturer. Type 1, 2, and 3 are subjected to an Intermediate current test at the levels shown here, as well as a limited current levels as low as 125mA to 10A.

PTM Published on: 2012-08-31