Pfisterer CONNEX Surge Arresters

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Pfisterer CONNEX Surge Arresters

CONNEX Surge Arresters | MV Medium Voltage HV High Voltage 11kV 33kV

CONNEX

Pfisterer CONNEX surge arresters provide medium/high voltage protection to metal-enclosed switchgear and transformers equipped with plug-in type bushings according to CENELEC EN 50180 / 50181.

  • Entirely metal-enclosed, fully insulated and touch-proof surge arresters
  • No arc base
  • High short-circuit strength for MV-HV electrical protection 
  • Maintenance free
  • Outdoor installation with IP66 ingress protection
  • Optical indication of surges

Medium & High Voltages MV HV

Thorne & Derrick distribute Pfisterer CONNEX Surge Arresters to provide overload and lightning protection to gas insulated switchgears/transformers (GIS) and high voltage power cable systems – we provide competitive prices and technical support for surge arresters from extensive stocks to UK and international destinations.

Also: Pfisterer CONNEX Bushings

Pfisterer Surge Arresters Size Rated Voltage Ur
Ur (kV)
Max. Continuous Rating Uc
Uc (kV)
827 513 075 1 7.5 6
827 513 090 1 9 7
827 513 125 1 12.5 10
827 513 150 1 15 12
827 513 175 1 17.5 14
827 513 190 1 19 15
827 513 215 1 21.5 17
827 513 240 1 24 19
827 513 300 1 30 24
827 513 360 1 36 29
827 523 075 2 7.5 6
827 523 090 2 9 7
827 523 125 2 12.5 10
827 523 150 2 15 12
827 523 175 2 17.5 14
827 523 190 2 19 15
827 523 215 2 21.5 17
827 523 240 2 24 19
827 523 300 2 30 24
827 523 360 2 36 29
827 527 450 2 45 36
827 527 510 2 51 40.8
827 527 525 2 52.5 42
827 537 075 3 7.5 6
827 537 091 3 9 7
827 537 125 3 12.5 10
827 537 150 3 15 12
827 537 175 3 17.5 14
827 537 190 3 19 15
827 537 215 3 21.5 17
827 537 240 3 24 19
827 537 300 3 30 24
827 537 360 3 36 29
827 539 450 3 45 36
827 539 510 3 51 40.8
827 539 525 3 52.5 42

 

Surge Arresters

Above: Pfisterer CONNEX high voltage surge arrester, the only pluggable and contact-proof overvoltage protection up to 145kV available for metal-encapsulated switchgear and transformers.

Pfisterer CONNEX Separable Connectors

Pfisterer CONNEX – medium/high voltage electrical substation equipment for gas insulated swithgear (GIS) and power transformers, including inner cone plug cable connectors and terminations, 33kV-52kV

 ➡ Should you require customer service or technical support please contact us – view the full range of Pfisterer Surge Arresters below.