| Class ANSI | Fig |
Main Demension in (mm) |
leak- age Dist- ance in (mm) |
Com- bined M & E Stre- ngth b(KN) |
Mceb anical Impact Strenth in-1b(N-m) |
Time Load Test Value 1b (KN) |
Average Flashover Voltage |
Power Freq- uaency Punc- ture Voltage KV |
Radio influence Voltage | |||||
| D(max) | F |
Power Frequ- ency |
Critcal Impulse |
Test Volt- age To Gro- und KV |
Max Riv At 1MHz V | |||||||||
| Dry kv | Wet kv | Positive kv |
Nag- ative kv |
|||||||||||
|
52 -1 |
1 |
61/2 (165) |
51/2 (165) |
7(178) |
10000 (44) |
45(5.0) |
6000 (27) |
60 | 30 | 100 | 100 | 80 | 7.5 | 50 |
|
52 -2 |
1 |
8 (203) |
53/4 (146) |
81/4 (210) |
15000 (67) |
50(5.5) |
10000 (44) |
65 | 35 | 115 | 115 | 90 | 7.5 | 50 |
|
52 -3 |
1 |
103/4 (273) |
53/4 (146) |
111/2 (292) |
15000 (67) |
5.5(6.0) |
10000 (44) |
80 | 50 | 125 | 130 | 110 | 10 | 50 |
|
52 -4 |
3 |
103/4 (273) |
53/4 (146) |
111/2 (292) |
15000 (67) |
5.5(6.0) |
10000 (44) |
80 | 50 | 125 | 130 | 110 | 10 | 50 |
|
52 -5 |
2 |
103/4 (273) |
53/4 (146) |
11 (279) |
25000 (111) |
60(7.0) |
15000 (67) |
80 | 50 | 125 | 130 | 110 | 10 | 50 |
|
52 -6 |
3 |
103/4 (273) |
53/4 (146) |
11 (279) |
25000 (111) |
60(7.0) |
15000 (67) |
80 | 50 | 125 | 130 | 110 | 10 | 50 |
|
52 -9 |
4 |
41/2 (114) |
61/4 (160) |
63/4 (171) |
10000 (44) |
45(5.0) |
6000 (27) |
80 | 30 | 100 | 90 | 80 | 7.5 | 50 |
