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Long rod porcelain insulators |
ANSI Class |
|
TR205 |
TR208 |
TR210 |
TR214 |
TR216 |
Dimensions |
Diameter |
mm |
178 |
178 |
191 |
203 |
232 |
Height |
mm |
254 |
356 |
457 |
559 |
762 |
Creepage distance |
mm |
394 |
610 |
940 |
1092 |
1892 |
Mechanical Values |
Torsion Strength |
kn |
38 |
44.5 |
53 |
62 |
71 |
Compression Strength |
kn |
44.5 |
44.5 |
66.7 |
66.7 |
111 |
Cantilever Strength |
kn |
8.9 |
8.9 |
8.9 |
8.9 |
6.7 |
Electrical Values |
power frequency dry withstand voltage |
kv |
85 |
110 |
145 |
170 |
235 |
power frequency wet withstand voltage |
kv |
55 |
75 |
100 |
125 |
180 |
Critical impulse flashover voltage,positive |
kv |
125 |
170 |
225 |
280 |
390 |
Critical impulse flashover voltage,negative |
kv |
200 |
250 |
290 |
340 |
475 |
Impulse Withstand voltage |
kv |
110 |
150 |
200 |
250 |
300 |
Power frequency dry flashover voltage |
kv |
55 |
75 |
100 |
125 |
180 |
Power frequency wet flashover voltage |
kv |
40 |
60 |
80 |
100 |
145 |
Radio influence Voltage Data |
Impulse Withstand Voltage |
kv |
110 |
150 |
200 |
250 |
350 |
Net weight,approximate |
kg |
7 |
11 |
16 |
21 |
30 |