Overhead disconnectors

unipolar switch is an open single-phase switch operated manually with the pole. It is used in switching distribution lines of
15.5; 17.5; 24; 27; 36 & 38 kV

Overhead disconnectors 15.5 kV - 17.5 kV

Silicone insulator

Ceramic insulator

creepage

distance (mm):

420

 

432

 

Nominal 

Current

630

 

630

 

Short duration 

current

25kA por 1s

 

25kA por 1s

 

Frequency

50 – 60 HZ

50 – 60 HZ

Overhead disconnectors 24 kV - 27 kV

seccionadores 24

Silicone insulator

Ceramic insulator

creepage

distance (mm):

845

400

Nominal 

Current

630

 

630

 

Short duration 

current

25kA por 1s

 

25kA por 1s

 

Frequency

50 – 60 HZ

50 – 60 HZ

Overhead disconnectors 36 kV - 38 kV

Silicone insulator

Ceramic insulator

creepage

distance (mm):

845

740

Nominal 

Current

630

 

630

 

Short duration 

current

25kA por 1s

 

25kA por 1s

 

Frequency

50 – 60 HZ

50 – 60 HZ

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