Türkçe
aDisconnecting and Earthing Switches

 

 

 

 

 

12

asMain Page

asCompany Profile

123Products

123News

123Contact

 

 

 

 

 

General :

TECHNICAL FEATURES


  • Safety in commisioning works and tests by disconnecting the related parts of the system at no load condition.
  • Reliability in earthing and short circuiting the dead parts of the system.
  • Fully in compliance with IEC Publication No.129.
  • Type test sertificates from CESI in all the ratings and all types, i.e. indoor, outdoor,and set-up in cubicle.
  • Long mechanical endurance.
  • Posibility of supplying standart disconnecting switches type PNS and also thefollowing alternatives(*)

PTS : .. with earthing switch


PSS : .. with fuse mount for H.R.C. fuses


PSTS: .. with both fuse mount and earthing switch


  • Mechanical interlock between earthing and the main blades.
  • Possibility of having fault making earthing switces.
  • Hook stick operation and drive mechanism operation alternatives.
  • Choice of epoxy resin or porcelain insulators.
  • Double blade knives of drawn strip silver coated copper self gripping with adjustable spring.
 
Description :

TYPE DESIGNATION



  • PVB : Pelka Vacuum Breaker
  • 7      : Rated Voltage

7 for 36 kV


6 for 24 kV


5 for 17.5 kV


4 for 12 kV


3 for 7.2 kV


  • 25   :Rated Short Circuit Breaking Current (3 sec) in kA.
  • 20  : Rated Nominal Current in A(x 100)
  • (Wor F):Type of Breaker

W :for withdrawable type


F :for fixed type