Pin Insulators For High Voltage Lines

Disc Insulator For High Voltage

Post Insulator For High Voltage Lines

Strain Insulator For Lines

Low Voltage Insulator For Lines

Strain Rod Insulators

Ceramic Bridge Insulator

Pin Insulators For High Voltage Lines
Cat. No. C2217S、C2217L、C2218S、C2218L、C2219S、C2219L、C2220S、C2220L、C2221S、C2221L
National standard: ANSI
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Details
Main dimensions and standard particulars
Cat. No. C2217S
C2217L
C2218S
C2218L
C2219S
C2219L
C2220S
C2220L
C2221S
C2221L
ANSI class 57-1S
57-1L
57-2S
57-2L
57-3S
57-3L
57-4S
57-4L
57-5S
57-5L
Creepage distance (mm)
Dry arcing distance (mm)
356
165
559
241
373
311
1015
368
1143
438
Cantilever strength (kN) 12.5 12.5 12.5 12.5 12.5
Low frequency dry flashover voltage (kV)
Low frequency wet flashover voltage (kV)
Critical impulse flashover, pos (kV)
Critical impulse flashover, neg (kV)
80
60
30
155
110
85
180
205
125
100
210
260
150
125
255
340
175
150
290
380
Test voltage to ground (kV)
Max . RIV at 1MHz μV
15
100
22
100
30
200
44
200
44
200
Net weight, each, approx (kg)
Number in standrad package
5.0
6
9.5
3
11
3
16
2
18
2

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