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Home > Porcelain Insulator > China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
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China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier
China ANSI 53-1 Spool Insulator Manufacturer, Supplier

China ANSI 53-1 Spool Insulator Manufacturer, Supplier

ANSI Standards 53-1 High Quality Low Voltage Porcelain 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 53-1 10.jpg

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Product Description

Dimensional Data

Spacing (S) 2 1/8 inch (54 mm)
Diameter (D) 2 1/4 inch (57 mm)

Mechanical Values

Combined M&E Strength 2,000 lb (9.1 kN)

Electrical Values

Low-frequency dry flashover voltage 20 kV
Low-frequency wet flashover, vertical 8 kV
Low-frequency wet flashover voltage, horizontal 10 kV

Packing Information

Approx. net weight per unit 0.22 kg
Carton Quantity 90 pcs
Pallet Quantity 2160 pcs

Industry Standard(s)

Manufactured according to ANSI C29.3

ANSI 53-1 Dimensional Drawing

Frequently Asked Questions

What industry standard does this spool insulator comply with?
This product is strictly manufactured according to the ANSI C29.3 standard, ensuring reliability and performance in power applications.
What is the combined mechanical and electrical strength?
The insulator provides a combined M&E strength of 2,000 lb (9.1 kN).
Can you provide the electrical flashover ratings?
Yes, the low-frequency dry flashover voltage is 20 kV. For wet conditions, the flashover voltage is 8 kV (vertical) and 10 kV (horizontal).
What are the physical dimensions of the unit?
The spacing (S) is 2 1/8 inch (54 mm) and the diameter (D) is 2 1/4 inch (57 mm).
How is this product packaged for bulk shipping?
Each unit weighs approximately 0.22 kg. They are packed with 90 pieces per carton and 2160 pieces per pallet for efficient transport.

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