Zinc Oxide Varistor for Surge Arrester

Basic Info.

Model NO.	D31
Quantity	Single Connection
Shape	Button Shape
Resistance change scale	Linear Scale
Application	Lamps and Lanterns
Brand	Yongde
a.C Voltage	3.6kv
Aging Coefficient	Kct<1
Diameter	31mm
Height	24mm
Transport Package	Carton
Specification	IEC60099-4
Trademark	YONGDE
Origin	China
HS Code	85354000
Production Capacity	195000PCS/Month

Product Description

Key Specification/special featureBrand: YONGDEType: D31H24Material: Zinc oxideDemensions: Diameter 31 mm, height 24mmD. C reference voltage: 5.3KVLeakage current at 0.75 time D. C reference voltage: <30μ ARated voltage: 3.75KVContinuous operating current: 3KVLong durationg(2ms rectangular) current impulse withstand: 250A4/10μ S high current impulse withstand: 65KAResidual voltage at nominal disscharge current:9.1KV/5KA10.3KV/10KA11.3KV/20KAAccelerating aging coefficicent: <1.0

Type	D31 Metal Oxide Varistor(MOV)
Specification mm	D31*24
Voltage Gradient V/mm	210~235
Square Wave Test Valve	200
4/20μ S High Current Withstand kA	65
8/20μ S high current withstand kA	9.6
DC1mA Refering Voltage kV	5.3
0.75Times U1mA Leak current μ A <	10
Residual Votage Ratio	1.78
Aging Load Point Ratio%	85

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