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Home > Porcelain Insulator > China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers
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China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers
China ANSI 53-3 Spool Insulator Supplier, Suppliers

China ANSI 53-3 Spool Insulator Supplier, Suppliers

Premium ANSI 53 Series Ceramic Insulators 53-2 for Reliable 0 4kv Tension Needs

  • 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 52-3 6.jpg

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Product Description

Dimensional Data
Spacing (S) 3 1/5 inch (81 mm)
Diameter (D) 3 inch (76 mm)
Mechanical Values
Combined M&E Strength 4,000 lb / 18.2 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 0.58 kg
Carton Quantity 50 pcs
Pallet Quantity 1000 pcs
Industry Standard(s)
Manufactured according to ANSI C29.3
ANSI 52-3 Technical Drawing
Frequently Asked Questions
What industry standard does this product comply with?
This product is manufactured strictly according to the ANSI C29.3 standard, ensuring reliable performance in electrical applications.
What is the mechanical strength rating of this unit?
The combined Mechanical and Electrical (M&E) strength is rated at 4,000 lb (approximately 18.2 kN).
Can you provide the electrical flashover voltage specifications?
The unit features a low-frequency dry flashover voltage of 25 kV, a vertical wet flashover of 12 kV, and a horizontal wet flashover of 15 kV.
What are the physical dimensions of the product?
The product has a spacing of 3 1/5 inches (81 mm) and a diameter of 3 inches (76 mm).
How is the product packed for bulk shipping?
For shipping efficiency, the units are packed 50 pieces per carton, with a total of 1000 pieces per pallet. The net weight per unit is approximately 0.58 kg.
Is this product suitable for horizontal installation?
Yes, it has been tested for both vertical and horizontal flashover conditions, with a horizontal wet flashover rating of 15 kV.

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