Composite polymer insulator types

Composite polymer insulator types include 12kv-170kv station post insulators, pin type insulators, switch and bus insulators, 20kv-123kv suspension insulators, railway insulators, trolley line insulators, etc.

Composite polymer insulator types details:
Post insulators: 12kv-36kv, 52kv-72kv, 84kv-123kv, 145kv-170kv station post insulators

Composite polymer insulator types

Pin type insulators:

Section Length
Creepage Distance
Un
Power-Frequency Withstand Voltage Wet
Power-Frequency Withstand Voltage dry
Lighting Impulse Withstand Voltage
Minimum Failing Load Bending
Standards
mm
mm
kV
kV
kV
kV
kN
IEC, BDS, EN
305
530
24
65
75
135
10
61109 61952
315
622
24
80
95
160
8
61109 61952
440
650
24
125
-
190
11
61109 61952
435
1010
35
125
130
250
12.5
61109 61952

Switch and bus insulators:

Section Length
Creepage Distance
Un
Power-Frequency Withstand Voltage Wet
Power-Frequency Withstand Voltage dry
Lighting Impulse Withstand Voltage
Minimum Failing Load Bending
Standards
mm
mm
kV
kV
kV
kV
kN
IEC, BDS, EN
305
504
24
65
85
125
6
61109 61952
145
200
12
36
47
75
4
61109 61952
205
320
24
55
75
125
6
61109 61952

Suspension insulator: 20kv, 35kv, 123kv

Section Length
Creepage Distance
Un
Power-Frequency Withstand Voltage Wet
Power-Frequency Withstand Voltage dry
Lighting Impulse Withstand Voltage
SML
Standards
mm
mm
kV
kV
kV
kV
kN
IEC, BDS, EN
325
520
24
80
100
150
70
IEC466, 120, 466-1, 372
325
618
24
95
115
190
70
IEC466-1,IEC120,IEC372
380
612
24
110
120
195
70
IEC466-1
493
965
35
125
130
250
70
-
510
965
35
125
130
250
70
-
1250
2700
123
260
-
>550
120
-
1304
2700
123
260
-
>550
120
-
1259
2700
123
270
-
550
120
-

Railway insulators: tongue socket type, tongue & tongue type, perilen

Section Length
Creepage Distance
Un
Power-Frequency Withstand Voltage Wet
Power-Frequency Withstand Voltage dry
Lighting Impulse Withstand Voltage
SML
Minimum Failing Load Bending
mm
mm
kV
kV
kV
kV
kN
kN
603
1180
52
150
175
330
70
6
520
1160
52
160
170
310
70
 
540
1160
52
160
170
310
70
 
460
1175
52
150
175
330
 
6

Trolley Line Insulators: EE, CC, UC, EC, PP, CP type line posts

Section Length
Creepage Distance
Un
Power-Frequency Withstand Voltage Wet
Lighting Impulse Withstand Voltage
SML
Minimum Failing Load Bending
Standards
mm
mm
kV
kV
kV
kN
kN
IEC, BDS, EN
250
235
6
20
50
50
 
61109
300
135
6
20
50
50
 
61109
301
110
5
20
45
-
8
61109 61952
276
235
6
20
50
50
 
61109
290
110
5
20
45
-
8
61109 61952
300
110
5
20
45
-
8
61109 61952


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