Pin Type Insulator
55 Series LV & MV Type
Standard
ANSI C29.1, ANSI C29.5
VOLTAGE: 4KV-12KV
Product description
The high voltage steel pin comes into two pieces open-heart steel. The stud bolt shank is deeply screwed and welded to the forged base of the pin arm. The pins have a 1-3/8 inch ANSI cast lead threads.
Basic data
ANSI CLASS |
55-2 |
55-3 |
55-4 |
55-5 |
55-6 |
55-7 |
Neck Type |
C |
C |
F |
F |
J |
J |
Leakage Distance (mm) |
127 |
178 |
229 |
305 |
381 |
381 |
Dry Arcing Distance (mm) |
86 |
114 |
127 |
159 |
203 |
203 |
Minimum Pin Length (mm) |
102 |
127 |
127 |
152 |
190 |
190 |
Cantilever Strength (kN) |
11 |
11 |
13 |
13 |
13 |
13 |
Power Frequency Flashover Voltage |
Dry, kV |
45 |
55 |
65 |
80 |
100 |
100 |
Wet, kV |
25 |
30 |
35 |
45 |
50 |
50 |
Critical Impulse Flashover Voltage |
Pos., kV |
70 |
90 |
105 |
130 |
150 |
150 |
Neg., kV |
85 |
110 |
130 |
150 |
170 |
170 |
Power Frequency Puncture Voltage, kV |
70 |
90 |
95 |
115 |
135 |
135 |
Radio influence Voltage Data |
Test Voltage to Ground, kV |
5 |
10 |
10 |
15 |
22 |
22 |
Max RIV at 1000 KHz, uV |
50 |
50 |
50 |
100 |
100 |
100 |
Net Weight (kgs) |
0.75 |
1.1 |
1.7 |
2.9 |
4.4 |
4.4 |
The high voltage steel pin comes into two pieces open-heart steel. The stud bolt shank is deeply screwed and welded to the forged base of the pin arm. The pins have a 1-3/8 inch ANSI cast lead threads.