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This document summarizes varistors (ZNR surge absorbers) of types E and J. Type E is designed for relatively low handling capacity and type J is for heavy duty use. Both are used to protect thyristor power controllers and power sources from high energy transient over voltages. Type E has smaller dimensions than type J. The document provides specifications for clamping voltage, impulse life and operating temperature ranges for each type.

Author

Charles Steblina

Language

EN