Durable 33kV Brown Porcelain Pin Insulator & Line Hardware
This 33kV B-type brown glazed porcelain pin insulator meets ANSI standards, equipped with complete galvanized steel screw pin line hardware. It features high mechanical strength, excellent anti-salt fog and anti-pollution performance, ideal for overhead high-voltage power distribution lines in America, Southeast Asia and Africa. Certified with CE & ISO9001, the product is durable for outdoor long-term use, supports OEM customization and safe plywood export packaging.
|
Type
|
55-1
|
55-2
|
55-3
|
55-4
|
55-5
|
|
Creepage distance(mm)
|
102
|
127
|
178
|
229
|
305
|
|
Dry arcing distance(mm)
|
57
|
86
|
114
|
127
|
159
|
|
Cantileven strength(KN)
|
13
|
11
|
11
|
13
|
13
|
|
Low frequency dry flashover voltage(KV)
|
35
|
45
|
56
|
65
|
80
|
|
Low frequency dry flashover voltage(KV)
|
20
|
25
|
30
|
35
|
45
|
|
Critical impulse flashover,positive(KV)
|
50
|
70
|
90
|
105
|
130
|
|
Critical impulse flashover,negative(KV)
|
70
|
85
|
110
|
130
|
150
|
|
Power-frequency puncture voltage(KV)
|
50
|
70
|
90
|
95
|
115
|
|
Test voltage to ground (KV)
|
5
|
5
|
10
|
10
|
15
|
|
Maximum riv at 1000khz(uv)
|
60
|
50
|
50
|
50
|
100
|
|
Net weight each approx (kg)
|
0.5
|
0.65
|
1
|
1.55
|
2.75
|
|
Number in standard package
|
_
|
40
|
30
|
16
|
12
|
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