TIS.2623 Part
7(2)-2564 |
Type 56 / 57-4 |
DIMENSIONS
|
Leakage
distance,
minimum, mm |
953 |
Protected leakage
distance, minimum, mm |
483 |
|
MECHANICAL VALUES |
Cantilever
strength, kN |
12.5 |
Cantilever proof
load, kN |
5 |
|
ELECTRICAL
VALUES |
Low-frequency
dry flashover, kV |
140 |
Low-frequency
wet flashover, kV |
95 |
Critical-
impulse flashover, positive,
kV |
225
|
Critical-
impulse flashover, negative,
kV |
300 |
|
RADIO INFLUENCE
VOLTAGE DATA |
Low-frequency
test voltage, rms to ground,
kV |
44 |
Maximum RIV at
1000 kHz, microvolts |
200 |
|
|
Colour of
Insulator
|
BROWN
|
Weight of
Insulators, kg
|
14.5
|
|
|