Polymer Suspension Insulators

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Catalog No. Typical System Voltage kv Section Length, in. Leakage Distance, in. Low Freq. Flashover Voltage - Dry, kV Low Freq. Flashover Voltage - Wet, kV Critical Impulse Flashover Voltage - Pos., kV Critical Impulse Flashover Voltage - Neg., kV No. of Sheds Dry Arcing Distance, in. Specified Mechanical Load, lbs. Specified Mechanical Load, kN Tower Side End Fitting Line Side End Fitting Approx. Weight, lbs.
251-SC210-YE
37.4
58.7
305
270
450
480
21
26.5
70
69
71
68
7.5
251-SC220-YE
38.6
61.5
315
280
470
500
22
27.7
70
69
71
68
7.6
251-SC230-YE
39.8
64.3
330
290
490
520
23
28.9
70
69
71
68
7.8
251-SC240-YE
40.9
67.1
340
300
505
540
24
30.1
70
69
71
68
7.9
251-SC250-YE
42.1
69.9
350
310
525
560
25
31.2
70
69
71
68
8
251-SC260-YE
43.3
72.7
360
320
545
575
26
32.4
70
69
71
68
8.2
251-SC270-YE
44.5
75.5
370
330
560
595
27
33.6
70
69
71
68
8.3
251-SC280-YE
45.7
78.3
385
340
580
615
28
34.8
70
69
71
68
8.5
251-SC290-YE
46.8
81.1
395
350
600
635
29
36
70
69
71
68
8.6
251-SC300-YE
48
83.9
405
355
615
655
30
37.2
70
69
71
68
8.8
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