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Tempered glass insulators CTV254 Axis 14&16

CTV 254 CTV 175 U70 120kn Glass Disc Insulator Multi-Storey Duplex Triple for High Voltage Transmission and Distribution Line

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Product Details

Technical Specifications of 30KV Anchor Insulator String with Horn SparkPlugs

The anchor insulator chain with horn spark gap is composed of:

  • A galvanized trunnion yoke,
  • A hot-dip galvanized ball eyelet,
  • A hot-dip galvanized adjustable extension.
  • Three insulator plates for 30kV each with a ball-joint eye housing cover and a base with ball joint. The cover and base are made of hot-dip galvanized malleable cast iron,
  • A straight anchor clamp with conical wedge tightening made of aluminum alloy and hot-dip galvanized steel for bare Al/ Ac conductors with cross-sections ranging from 35/6 mm²  to 95/15 mm².
  • A simple cross spark gap
  • A ball -socket, supplied with bent pins,
  • Two small, short stirrups.

The characteristics of the insulator are:

  • Impulse withstand voltage + and- lightning wave 1.2/50 us:260kV
  • Withstand voltage at 50 Hz in the rain:100kV
  • Mechanical breaking force:70kN
  • Diameter:175mm
  • Pitch between plates:110mm
  • Vanishing line:185mm

 

Item No.

Mechanical

failing load

Nominal

diameter

Nominal 

spacing

Nominal 

creepage

distance 

Power 

frequency

puncture

voltage

Wet 

power 

frequency

withstand

voltage

Upper limit 

value of 20mm gap

power frequency 

discharge voltage

Lower limit 

value of 20mm gap

power frequency 

discharge voltage

15mm gap 2500V 

arc extinguishing 

capability inductive current

15mm gap 2500V 

arc extinguishing 

ability capacitive current

Electrode arc 

resistance

 (not less than) power

frequency 

current

Electrode arc 

resistance 

(not less than) time

Net 

weight

kN

D(mm)

H(mm)

L(mm)

kV

kV

kV

kV

kV

kV

KA

s

kg

U70C/200

70

200

210

220

130

40

30

8

35

20

10

0.2

4.5

U70CN/200

70 

200 

210 

220 

130 

40 

30 

35.0 

20 

10 

0.2

4.5

U100C/200

100

200

210

220

130

40

30

8

35

20

10

0.2

5

U100CN/200

100 

200 

210 

220 

130 

30 

45 

35.0 

20 

10 

0.2

4.5

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