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Post Insulator For High Voltage Lines
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Pin Insulators For High Voltage Lines
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Details
Cat. No. C2217S、C2217L、C2218S、C2218L、C2219S、C2219L、C2220S、C2220L、C2221S、C2221L
National standard: ANSI
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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