15, 25 & 35kV Polymer Insulator Data is designed in different size because of different insulator manufacturers manufactured. This article mainly introduces polymer pin insulator data.
ANSI C29 55-3 standards and ANSI C29 55-4 standards
| ANSI C29 55-3 standards | ANSI C29 55-4 standards | ||||
| application | Tie-top IP-15-C | IP-15-VTN/M* vise top | NA | IP-15-F-Tie top | NA |
| “Nominal” ANSI Class | 55-3 | 55-3 | 55-3 | 55-4 | 55-4 |
| Neck Size/Style | C | NA | C | F | F |
| Typical Operating Voltage Application, kV (L-L) |
15 | 15 | 15 | 15 | 15 |
| Leakage Distance (in | 14.5 | 16.1 | 7 | 14.5 | 9 |
| Dry Arcing Distance (in) | 6.3 | 7 | 4.5 | 6.3 | 5 |
| Pin Hole Diameter (in) | 1 | 1 | 1 | 1 | 1 |
| Suggested Minimum Pin Length (in) |
6 | 6 | 5 | 6 | 5 |
| 60Hz Dry Flashover (kV) | 92 | 101(N) 97(M) |
55 | 93 | 65 |
| 60Hz Wet Flashover (kV) | 53 | 50(N) 65(M) |
30 | 50 | 35 |
| Positive Impulse Flashover (kV) | 127 | 114(N) 154(M) |
90 | 147 | 105 |
| Negative Impulse Flashover (kV) | -134 | -144(N) -200(M) |
-110 | -201 | -130 |
| Low Frequency Puncture (kV) |
176 | 174(N) 163(M) |
90 | 160 | 95 |
| 10kV to grd, μV | <5 | <5 | <50μV @10kV |
<5 | 50μV @10kV |
| 15kV to grd, μV | NA | NA | NA | NA | NA |
| 22kV to grd, μV | NA | NA | NA | NA | NA |
| Cantilever Strength (lbs) | 3000 | 3000 | 2500 | 3000 | 3000 |
| Aproximate Weight (lbs) | 1.2 | 2 | NA | 1.3 | NA |
| Maximum Operating Temperature (Degree C) |
120 | 120 | NA | 120 | NA |
ANSI C29 55-5 standards
| application | Tie-top IP-25-F1 | IP-25-VTN/M* vise top | IP-25-F2 tie top | IP-25-VTN/M* 2 vise top | ANSI 55-5 |
| “Nominal” ANSI Class | 55-5 | 55-5 | 55-5 | 55-5 | 55-5 |
| Neck Size/Style | F | NA | F | NA | F |
| Typical Operating Voltage Application, kV (L-L) |
25 | 25 | 25 | 25 | 25 |
| Leakage Distance (in | 15.3 | 18 | 15.3 | 18 | 12 |
| Dry Arcing Distance (in) | 7.2 | 8 | 7.2 | 8 | 6.25 |
| Pin Hole Diameter (in) | 1 | 1 | 1.375 | 1.375 | 1 |
| Suggested Minimum Pin Length (in) |
7.5 | 7.5 | 7.5 | 7.5 | 6 |
| 60Hz Dry Flashover (kV) | 87(1) | 88;94(1) | 87 | 88;94 | 85 |
| 60Hz Wet Flashover (kV) | 50(1) | 55;55(1) | 50 | 55;55 | 45 |
| Positive Impulse Flashover (kV) | 141(1) | 150;152(1) | 141 | 150;152 | 140 |
| Negative Impulse Flashover (kV) | -235(1) | -219;-216(1) | -235 | -219;-216 | -170 |
| Low Frequency Puncture (kV) |
197 | 228;218(1) | 201 | 228;218 | 115 |
| 10kV to grd, μV | NA | NA | NA | NA | NA |
| 15kV to grd, μV | <5 | <5 | <5 | <5 | <50μV @10kV |
| 22kV to grd, μV | NA | NA | NA | NA | NA |
| Cantilever Strength (lbs) | 3000 | 3000 | 3000 | 3000 | 3000 |
| Aproximate Weight (lbs) | 1.9 | 2.3 | 1.8 | 2.3 | NA |
| Maximum Operating Temperature (Degree C) |
120 | 120 | 120 | 120 | NA |
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