Porcelain suspension insulator disc insulator 52-1
ANSI 52 Series Disc Suspension insulator for hot sale:
ANSI CLASS
|
52-1
|
52-2
|
52-3
|
52-4
|
52-5
|
52-6
|
52-8
|
52-9
|
52-9
|
52-10
|
Fig. No.
|
1
|
2
|
3
|
4
|
3
|
4
|
3
|
5
|
6
|
4
|
Main Dimensions (mm)
|
D
|
165
|
190.5
|
254
|
254
|
254
|
254
|
280
|
114
|
133
|
280
|
H
|
140
|
146
|
146
|
146
|
146
|
146
|
146
|
159
|
159
|
165
|
Leakage Distance/mm
|
178
|
210
|
292
|
292
|
292
|
292
|
280
|
171
|
171
|
280
|
Power-Frequency Puncture Voltage kV
|
80
|
90
|
110
|
110
|
110
|
110
|
110
|
80
|
80
|
110
|
Average Flashover voltage
|
Power Frequency
|
Dry/kV
|
60
|
65
|
80
|
80
|
80
|
80
|
80
|
60
|
60
|
80
|
Wet/kV
|
30
|
35
|
50
|
50
|
50
|
50
|
50
|
30
|
30
|
50
|
Critical-Impulse 1.5x40us Wave
|
Positive/kV
|
100
|
115
|
125
|
125
|
125
|
125
|
125
|
110
|
110
|
125
|
Negative/kV
|
100
|
115
|
130
|
130
|
130
|
130
|
130
|
90
|
90
|
130
|
Radio-Influence
voltage
|
Test Voltage to ground/kV
|
7.5
|
7.5
|
10
|
10
|
10
|
10
|
10
|
7.5
|
7.5
|
10
|
Maximum RIV at 1000kHz/uV
|
50
|
50
|
50
|
50
|
50
|
50
|
50
|
50
|
50
|
50
|
Rated E&M Failing Load/kN
|
44
|
70
|
70
|
70
|
111
|
111
|
160
|
44
|
44
|
160
|
Tension Proof Load/kN
|
22
|
35
|
35
|
35
|
55.5
|
55.5
|
80
|
22
|
22
|
80
|
Impact Strength/N.m
|
5
|
5.5
|
6
|
6
|
7
|
7
|
10
|
5
|
5
|
10
|
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