Zinc Oxide Varistor for Surge Arrester D52h24

• Customization: Available
• Type: Power Source Arrester
• Structure: Zinc Oxide Arrester
• Model NO.: D42
• Application: Substation
• Size: Meidum
• Operation Voltage: High Voltage
• Shape: Cuboid
• Material: ZnO
• Certification: ISO9001
• Brand: Yongde
• Diameter: 52mm
• Height: 24mm
• a.C Voltage: 3.6kv
• Aging Coefficient: Kct<1
• Transport Package: Carton
• Specification: IEC60099-4
• Trademark: YONGDE
• Origin: China
• HS Code: 85354000
• Production Capacity: 85000PCS/Month

Product Description

Zinc oxide varistor is the core of the arrester,which main component is Zinc Oxide and with a small quantity of bismuth oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.
 
Key Specification/special feature
Brand: YONGDE
Type: D52H24
Material: Zinc oxide
Demensions: Diameter 52 mm, height 24mm
D. C reference voltage: 5.3± 0.25 KV
Leakage current at 0.75 time D. C reference voltage: <50μA
Rated voltage: 3.75± 0.2KV
Continuous operating current: 3KV
Long durationg(2ms rectangular) current impulse withstand: 650A
4/10μs high current impulse withstand: 100KA
Residual voltage at nominal disscharge current:
8.4± 0.1KV/5KA
9.2± 0.1KV/10KA
10.1± 0.1KV/20KA
11.0± 0.1KV/40KA
Accelerating aging coefficicent: <1.0

Type	D52 Metal Oxide Varistor(MOV)
Specification mm	D52*24
Voltage Gradient V/mm	210~235
Square Wave Test Valve	600
4/20μ S High Current  Withstand  kA	120
8/20μ S high current withstand kA / 10 kA	9.4
DC1mA Refering Voltage kV	5.35
0.75Times U1mA Leak current μ A <	30
Residual Votage Ratio	1.75
Aging Load Point Ratio%	90