Indoor High Speed Grounded Switch JNH1-17.5 Series

It adopts the contact structure with national patent. Has a portable integral structure, easy for installation with stable performance. 17.5kV is customized for global market.


  • Product Detail


Passed KEMA Certification Test.

Raled 

Voltage

 (kV)

Thermal

 Steady 

Current(kA)

Thermal

 Steady 

Time(s)

Dynamic 

Steady

Current (kA)

Short Circuit

 Making 

Current (kA)

Lightning

impulse kV)

Power frequency 

withstand voltage 

Phase 

Distance 

 (mm)

17.5

25

3

65

65

95

42

170-275

31.5

3

82

82

95

42

40

3

104

104

95

42

210-275

Production Capacity 


1.Annual Capacity: 30000 earthing switches

2.Over 30 machines,like CNC lathe, CNC milling machine, CNC bending, Automatic welding machine, Punching, Shearing machine etc

3.All kinds of Inspection Equipments:

switch mechanical characteristics tester, rockwell hardness tester, automatic spring tension and compression tester, circuit resistance tester, eddy current conductance tester, multifunctional electrolytic thickness tester, salt spray test and others

Professional research and development, strict inspection, perfect after-sales service.


Patent 



Workshop 


Partner 





Jiangshan Electrical Technology Development Co., Ltd.,Founded in 1994,focus on grounding switch,Isolation switch,Transmission gear R&D and production.Science & Technology Enterprise of Zhejiang Province,13 Patents for Utility Models,2 Patents for Invention and 2 Patents in USA.Accumulated lots of experience in R&D and Quality Control which earned us a good reputation within the market. Professional research and development, strict inspection, perfect after-sales service.


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