Product Introduction：
Porcelain station post insulators according to IEC, ANSI and other standards are used in substations and related switching equipment. They are produced in single piece up to 2300 mm and can operate voltages up to 1100KV in stacked configuration. Post insulators are subjected to compression, cantilever and torsional loads during service.
Characteristics
|
Cat. No. |
0701095-01 |
0701095-02 |
0701095-03 |
|
|
ANSI Class |
202 |
222 |
- |
|
|
Basic Impulse Insulation Level (KV) |
95 |
95 |
95 |
|
|
Usual Line Voltage (KV) |
7.5 |
7.5 |
7.5 |
|
|
Leakage distance/in (mm) |
10-1/2(267) |
10-1/2(267) |
10-1/2(267) |
|
|
Cantilever Strength/Ib (KN) |
2000(8.9) |
4000(17.8) |
8000(35.6) |
|
|
Tensile Strength/Ib (KN) |
7000(31.1) |
15000(66.7) |
28000(124.5) |
|
|
Torsional Strength/in-Ib (N.m) |
6000 (678) |
12000(1356) |
40000(4520) |
|
|
Compression Strength /Ib (KN) |
10000(44.5) |
20000(89) |
40000(177.9) |
|
|
Critical Impulse Flashover Voltage, Positive (KV) |
105 |
105 |
105 |
|
|
Withstand Voltage |
Low Frequency, Wet/KV |
30 |
30 |
30 |
|
Impulse/KV |
95 |
95 |
95 |
|
|
Radio-Influence Voltage Data |
Test Voltage to Ground/kV |
5 |
5 |
5 |
|
Maximum RIV at 1000 KHZ/µV |
50 |
50 |
50 |
|
|
Height-“H”/in(mm) |
7-1/2(190) |
10(254) |
10(254) |
|
|
Shed diameter/in(mm) |
6-1/2(165) |
5-15/16(151) |
7-1/4(184) |
|
|
Bolt circle diameter/in(mm) |
3 |
5 |
5 |
|
|
(4)Tapped holes, size/in |
1/2-13 |
5/8-11 |
5/8-11 |
|
|
Cap diameter-“C”/in (mm) |
4-1/4(108) |
6-1/4(159) |
6-1/4(159) |
|
|
Net Weight/Ib (kg) |
15(6.7) |
22(9.8) |
33(14.7) |
|
Notes: 1. These units are not furnished with mounting bolts. State size at the time of inquiry if mounting bolts are required.
2. Light gray, chocolate brown or semi-conducting glaze is available.
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