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Surge Arresters

Medium Voltage 20/24 kV (5kA), HTV silicone rubber metal oxide Surge Arresters without gaps, type UNS2110AVDV1A CPS, capable for outdoor installation. The Surge Arresters are manufactured by Cooper Power Systems in collaboration with STALCO S.A. and according to the PPC Technical Description ND-177/28.01.2012.

 They are installed and operating successfully in the Greek Power Grid.

Description
The Surge Arresters can withstand the most extreme environmental conditions. The Insulators are manufactured by HTV silicone rubber, ensuring the highest insulating properties and UV resistance. The metal oxide varistors are manufactured in such way that they provide superior overvoltage protection for MV distribution systems.
Properties

Rated Voltage

 

21 kV

Continuous Operating Voltage

 

17 kV

 

Nominal Current Impulse, (peak) 8/20 μs

 

5 kA

Residual Voltage at Nominal Discharge Current

 

62,4 kV

 

Residual Voltage at Steep Current Impulse 1/10 μs

 

65,4 kV

High Current Impulse 4/10 μs

 

65 kA

Long Duration Current, peak

 

75 A, 1000 μs

Insulation Withstand of the Arrester Housing at Lightning Impulse Voltage (peak) 1.2/50 μs

 

136 kV

Insulation Withstand of the Arrester Housing at Power Frequency Voltage, dry 1 min.

 

 

86 kV

Insulation Withstand of the Arrester Housing at Power Frequency Voltage, wet 1 min.

 

 

75 kV

Insulator Type

 

 

100 % Silicon Rubber

Creepage Distance

 

 

698mm

Bending Strentgh

 

100 Nm

PPC Product No.

PPC Product Code

 

441000041

OFFICE

  • 13 Str Nikitara, Chalandri P.C. 15123

  • +30 210 6824538

  • +30 210 6824661

  • +30 210 6826256

PLANT

  • 1st Industrial Area of Volos, P.C. 38500

  • +30 24210 95102

  • +30 24210 95124

  • +30 24210 95403

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