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Parameter table
| TYPE |
ST-10/J |
ST-15/J |
ST-20/J |
P-20-D |
| Mian Demension in (mm) |
H |
130 |
150 |
185 |
185 |
| h |
55 |
60 |
65 |
52.65 |
| D |
135 |
150 |
175 |
175 |
| d |
31 |
31 |
35 |
27.78 |
| R1 |
10 |
10 |
10 |
10 |
| R2 |
12.5 |
12.5 |
12.5 |
12.5 |
| Nominal Voltage(Kv) |
10 |
15 |
20 |
20 |
| Creepage Distance(mm) |
240 |
270 |
340 |
340 |
| Power-Frequency Puncture Voltage (Kv) |
110 |
120 |
140 |
140 |
| Electronical Failing Load(KN) |
12 |
12 |
14.7 |
14.7 |
| Flashover(min) |
Power Frequency Voltage |
Dry(Kv) |
70 |
75 |
90 |
80 |
| Wet(Kv) |
42 |
53 |
65 |
50 |
| 50%Critical Impulse |
100 |
110 |
130 |
130 |
| Weight (Kg) |
1.5 |
2.7 |
3.4 |
3.8 |
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