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High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory
High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory
High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory
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High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory
High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory
High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory

High-Quality ANSI 53-4 Spool Insulator Suppliers, Factory

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

ANSI 53-4 7.jpg

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Product Description

1

Dimensional data

Spacing (S) 3 inch (76 mm)
Diameter (D) 4 3/20 inch (105 mm)
2

Mechanical values

Combined M&E strength: 4,500 lb (20.5 kN)
3

Electrical Values

Low-frequency dry flashover voltage: 25 kV
Low-frequency wet flashover, vertical: 12 kV
Low-frequency wet flashover voltage, horizontal: 15 kV
4

Packing information

Approx. net weight per unit 1.15 kg
5

Industry Standard(s)

Manufactured according to ANSI C29.3
ANSI 53-4 Mechanical Drawing

Frequently Asked Questions

What is the manufacturing standard for this product?
This product is manufactured in strict accordance with the ANSI C29.3 industry standard.
What are the electrical flashover ratings in wet conditions?
The low-frequency wet flashover voltage is 12 kV for vertical orientation and 15 kV for horizontal orientation.
What is the mechanical strength of this unit?
The unit features a combined Mechanical and Electrical (M&E) strength of 4,500 lb, which is equivalent to 20.5 kN.
What are the physical dimensions of the product?
The product has a spacing (S) of 3 inches (76 mm) and a diameter (D) of 4 3/20 inches (105 mm).
How much does each unit weigh for shipping purposes?
The approximate net weight per unit is 1.15 kg.
What is the low-frequency dry flashover voltage?
The low-frequency dry flashover voltage for this product is 25 kV.

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