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IEC disc insulators specifications
IEC disc insulators include U40C, U40B, U70BL, U70C, U70BS, U70BL, U80BL, U80BS, U100BL, U100BL, U120B, U160BL , U160BS, U160BS, U160BL, and U160BL, as well as specifications.
IEC disc insulators drawings:
IEC disc insulators specifications:
|
Class
|
U40C
|
U40B
|
U70BL
|
U70C
|
U70BS
|
U70BL
|
||
|
Unit Spacing (H)-mm
|
140
|
110
|
146
|
146
|
127
|
146
|
||
|
Nominal Diameter (D)-mm
|
190
|
175
|
255
|
255
|
255
|
255
|
||
|
Coupling size
|
--
|
11
|
16A/B
|
16C
|
16A
|
16A/16B
|
||
|
Nominal Creepage Distance-mm
|
200
|
185
|
295
|
295
|
295
|
320
|
||
|
Rated E & M Failing Load-KN
|
40
|
40
|
70
|
70
|
70
|
70
|
||
|
Routine Tensile Load-KN
|
20
|
20
|
35
|
35
|
35
|
35
|
||
|
Impact Strength-N.m
|
5
|
5
|
6
|
6
|
6
|
6
|
||
|
Power Frequency Withstand
|
Wet-KV
|
30
|
30
|
40
|
40
|
40
|
40
|
|
|
Dry-KV
|
55
|
55
|
70
|
70
|
70
|
70
|
||
|
Dry Lighting Impulse Withstand Voltage-KV
|
75
|
75
|
110
|
110
|
110
|
110
|
||
|
Power Frequency Puncture Voltage-KV
|
90
|
90
|
110
|
110
|
110
|
110
|
||
|
Radio Interference Voltage
|
Test Voltage to Ground-KV
|
7.5
|
7.5
|
10
|
10
|
10
|
10
|
|
|
Max. RIV at 1MHz-uV
|
50
|
50
|
50
|
50
|
50
|
50
|
||
|
Weight-kg
|
2.5
|
2.4
|
4.8
|
4.7
|
4.7
|
5.0
|
||
|
Class
|
U80BL
|
U80BS
|
U100BL
|
U100BL
|
U120B
|
||
|
Unit Spacing (H) - mm
|
146
|
140
|
146
|
146
|
146
|
||
|
Nominal Diameter (D) -mm
|
255
|
255
|
255
|
280
|
255
|
||
|
Coupling size
|
16A/B
|
16A/B
|
16A/B
|
16A/B
|
16A/B
|
||
|
Nominal Creepage Distance-mm
|
295
|
295
|
295
|
340
|
320
|
||
|
Rated E & M Failing Load-KN
|
80
|
80
|
100
|
100
|
120
|
||
|
Routine Tensile Load-KN
|
40
|
40
|
50
|
50
|
60
|
||
|
Impact Strength-N.m
|
6
|
6
|
7
|
7
|
7
|
||
|
Power Frequency Withstand
|
Wet-KV
|
40
|
40
|
40
|
40
|
40
|
|
|
Dry-KV
|
70
|
70
|
70
|
70
|
70
|
||
|
Dry Lighting Impulse Withstand Voltage-KV
|
110
|
110
|
110
|
110
|
110
|
||
|
Power Frequency Puncture Voltage-KV
|
110
|
110
|
110
|
110
|
110
|
||
|
Radio Interference Voltage
|
Test Voltage to Ground-KV
|
10
|
10
|
10
|
10
|
10
|
|
|
Max. RIV at 1MHz-uV
|
50
|
50
|
50
|
50
|
50
|
||
|
Weight-kg
|
5.4
|
5.2
|
5.7
|
6.2
|
5.8
|
||
|
Class
|
U160BL
|
U160BS
|
U160BS
|
U160BL
|
U160BL
|
||
|
Unit Spacing (H) -mm
|
255
|
255
|
280
|
300
|
255
|
||
|
Coupling size
|
20
|
20
|
20
|
20
|
20
|
||
|
Nominal Creepage Distance-mm
|
305
|
320
|
315
|
400
|
390
|
||
|
Rated E& M Failing Load-KN
|
160
|
160
|
160
|
160
|
160
|
||
|
Routine Tensile Load-KN
|
80
|
80
|
80
|
80
|
80
|
||
|
Impact Strength –N.m
|
10
|
10
|
10
|
10
|
10
|
||
|
Power Frequency Withstand
|
Wet-KV
|
40
|
40
|
45
|
45
|
40
|
|
|
Dry-KV
|
70
|
70
|
75
|
75
|
70
|
||
|
Dry Lighting Impulse Withstand Voltage-KV
|
110
|
110
|
110
|
110
|
110
|
||
|
Power Frequency Puncture Voltage – KV
|
110
|
110
|
110
|
110
|
110
|
||
|
Radio Interference Voltage
|
Test Voltage to Ground-KV
|
10
|
10
|
10
|
10
|
10
|
|
|
Max. RIV at 1MHz-uV
|
50
|
50
|
50
|
50
|
50
|
||
|
Weight -kg
|
7.0
|
7.2
|
7.6
|
8.3
|
7.6
|
||
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Orient Group is a professional manufacturer and exporter of composite suspension insulator and porcelain disc suspension insulator.
Orient Group is a professional manufacturer and exporter of composite suspension insulator and porcelain disc suspension insulator.