Spool Insulators



Catalog No. P53-1G P53-2G P53-3G P53-4G P53-5G
ANSI Class 53-1 53-2 53-3 53-4 53-5
Mechanical Values
Transverse Strength (Ibs.) 2,000 3,000 4,000 4,500 6,000
Electrical Values
Low Frequency Dry Flashover (kV) 20 25 25 25 35
Low Frequency Wet Flashover Vertical (kV) 8 12 12 12 18
Low Frequency Wet Flashover Horizontal (kV) 10 15 15 15 25
Packing & Shipping Data
Net Weight Each (Ibs.) 0.44 1.14 1.21 2.42 2.65
Packed Weight Each (Ibs.) 0.46 1.20 1.38 2.56 2.72
Standard Package Quantity 100 50 40 18 18

*rus accepted

Gray Glaze is standard.

For brown or white glaze add “B” or “W” to catalog number suffix


Print Specification Spool Insulators (PDF, 264K) Click here for catalog