Pfisterer 827 537 125

Pfisterer 827 537 125

Pfisterer 827 537 125

CONNEX Surge Arrester

8275537125

➡ View complete range of MV HV Surge Arresters manufactured by Pfisterer – stock code 827 537 125 manufactured by Pfisterer is a Class/Size 3 surge arrester for medium/high voltage electrical power networks.

827 537 125 pluggable surge arrester is according to DIN VDE 0675 Part 4 and IEC 99-4 suitable for inside-cone termination according to EN50180/EN50181 – 10kA type.

♦ Class 1 | Class 2  Medium & High Voltage Surge Arresters

  • Pfisterer Part Number: 827 537 125
  • Connex Surge Arrester Size: 3
  • Rated voltage U r (kV): 12.5
  • Max. Continuous voltage U (kV): 10
  • Operating temperature (°C): -25 to +40
  • Max. Residual voltage U res at 8/20 μs 5 kA (kV): 34
  • Max. Residual voltage U res at 8/20 μs 10 kA (kV): 37
  • Max. Residual voltage U res with steep shock 1/20 μs (kV): 40
  • Line discharge class: 1
  • Energy absorption: 2
  • Rated discharge current (8 / 20μs): 10
  • High surge current (4 / 10μs): 65
  • Long wave shock current (2000 μs): 250
  • Short-circuit strength N: 16
  • Ground wire sqmm: Minute 16
  • Pfisterer Surge Arrester Size 3 
Pfisterer 827 537 125 - Dimensions

Pfisterer 827 537 125 – Dimensions

  • Length l – 490mm
  • Thickness d – 98mm
  • Measure x – 80mm

Pfisterer 827 537 125 CONNEX Surge Arrester Size 3

Technical Specification

The following table enables the selection of the correct Pfisterer CONNEX size 3 surge arrester to be selected for use with MV HV medium/high voltage power switchgear and substation systems – contact us for technical or specification support:

Pfisterer Connex Surge Arrester  827 537 125
Size 3
Rated voltage Ur 12.5 Ur (kV)
Max. continuous rating Uc 10 Uc (kV)
Environment temperature -25 up to +40(°C)
Max. residual voltage Ures at 5 kA, 8/20 µs 34 8/20 μs 5 kA (kV)
Max. residual voltage at 10 kA, 8/20 37 8/20 μs 10 kA (kV)
Max. resitual voltage Uresat steep impulse 1/20 μs 40 Steilstoß
1/20 μs
(kV)
Line discharge class 1
Power consumption capacity 2
Rated discharge surge current (8/20µs) 10
High peak current (4/10µs) 65
Long-wave peak current (2000 µs) 250
Short-circuit withstand current 16 (kA)
Earth Conductor min. 16 (sqmm)

➡ See the complete range of Pfisterer CONNEX inner cone plug terminations to connect and terminate medium/high voltage cables operating typically at 11kV, 20kV 33kV and 66kV voltages into gas insulated switchgear.

Pfisterer | Surge Arresters | Bushings | Terminations | Connectors | MV HV 

Pfisterer | Surge Arresters | Bushings | Terminations | Connectors | MV HV

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

Data Sheets