Shaanxi Gaoyan Electric Industrial Co., Ltd.
Main products:Breaker,Switch,Mutual Inductor,Transformer,Arrester
Products
Contact Us
  • Contact Person : Ms. Meng Bella
  • Company Name : Shaanxi Gaoyan Electric Industrial Co., Ltd.
  • Tel : 86-29-62962052
  • Fax : 86-29-62962052
  • Address : Shaanxi,xi'an,No.8 Gaoxin3 Rd,Hi-Tech Develop Zone,Xi'an ,China
  • Country/Region : China
  • Zip : 710075

420kv porcelain surge arrester

420kv porcelain surge arrester
Product Detailed
1.Porcelain,surge arrester up to 550KV 2.High current flowrate 3.superior aging performance 4.safe protection feature

Detail descreption:

Rated voltage 420KV

Maximum system voltage:550KV

Continuous operating voltage:336KV

Shed diameter a1/a2:412/380

Height b:5824 mm

Creepage distance:17052 mm

Gross weight:1355Kg

Lightning impulse withstand 1425KV

Power frequency voltage withstand(dry/wet):1050KV

Mximum System voltage Kv Um

Rated voltage KV

Continuous operating voltage KV

1/5μs residual steep impulse current KV

8/20μs residual voltage of lightning impulse current

30/60μs residual voltage impulse current KV

Line discharge level

2ms long durationg current A

4/10μs high current impulse KA

Housing inluation withstand(at IEC or ANSI)

IEC

ANSI

10KA

20KA

5KA

10KA

20KA

0.5KA

1KA

2KA

Lightning impulse withstand KV

Switching impulse withstand

Power frequency voltage withstand (dry/wet)KV

 

550

420

336

1069

1079

912

990

1092

793

819

849

4

1300

120

1425

1050

1056

1066

905

978

1080

787

813

842

1500

1043

1053

894

966

1068

777

803

831

5

1800

150

1011

1020

870

936

1032

763

788

816

420kv porcelain surge arrester



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