ANSI 53-4 Spool Insulator
High-Quality Low Voltage ANSI 53-4 Ceramic Spool Insulator
- The spool type insulator has two or more umbrella edges, with wires tied in the middle of the upper and lower umbrella edges, a central perforation, and fixed to the cross arm or clamp plate with threading nails.
- Spool insulators are used with spool bolts (upset bolts), insulator clevises and secondary racks for neutral and secondary applications. Industry slang is pineapple
- Brand: QOCI
- Catalog ID: ANSI 53-4
- Type: Spool Insulator
- Material: Porcelain
- Place of Origin: Jiangxi
Dimensional data
|
Spacing (S) |
3 inch 76 mm |
|
Diameter (D) |
4 3/20 inch 105 mm |
Mechanical values
|
Combined M&E strength: |
4,500 lb 20.5 kN |
Electrical Values
|
Low-frequency dry flashover voltage: |
25 kV |
|
Low-frequency wet flashover, vertical ： |
12 kV |
|
Low-frequency wet flashover voltage, horizontal： |
15 kV |
Packing information
|
Approx. net weight per unit |
1.15 kg |
Industry Standard(s)
Manufactured according to ANSI C29.3
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