Zinc Oxide Varistor for Surge Arrester

Key Specification/special feature
Brand: YONGDE
Type: D31H24
Material: Zinc oxide
Demensions: Diameter 31 mm, height 24mm
D. C reference voltage: 5.3KV
Leakage current at 0.75 time D. C reference voltage: <30μ A
Rated voltage: 3.75KV
Continuous operating current: 3KV
Long durationg(2ms rectangular) current impulse withstand: 250A
4/10μ S high current impulse withstand: 65KA
Residual voltage at nominal disscharge current:
9.1KV/5KA
10.3KV/10KA
11.3KV/20KA
Accelerating aging coefficicent: <1.0
TypeD31 metal Oxide Varistor(MOV)Specification mmD31*24Voltage Gradient V/mm210~235Square Wave Test Valve2004/20μ S High Current Withstand kA658/20μ S high current withstand kA9.6DC1mA Refering Voltage kV5.30.75Times U1mA Leak current μ A <10Residual Votage Ratio1.78Aging Load Point Ratio%85our service:
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