Porcelain Spool Insulator ANSI 53-3 for Electrical Use

Overview of Spool Insulators

Spool insulators are a critical component in electrical systems, providing excellent insulation and support. With a cylindrical shape resembling a small spool, these insulators effectively prevent current leakage in low-voltage overhead power lines, ensuring safety and operational efficiency.

Structure and Material

• Shape: Cylindrical with a through hole for wire threading or winding.
• Surface: Smooth porcelain or glass, sometimes with concave and convex patterns to increase creepage distance.
• Ends: Typically flat for secure installation.

Product Specifications

• Product Name: Medium Voltage Spool Insulator
• Model Number: 53-3
• Rated Voltage: 12kV/33kV
• Brand Name: Huayao
• Material: Porcelain
• Color Options: Brown/White

Mechanical and Electrical Values

• Dimensions: Diameter 76mm, Height 81mm
• Tensile Strength: 18.2kN
• Low Frequency Dry Flashover Voltage: 25kV
• Low Frequency Wet Flashover Voltage (Vertical): 12kV
• Low Frequency Wet Flashover Voltage (Horizontal): 15kV

Manufacturing Process

The production of porcelain insulators at Jiangxi Huayao Electric Co., Ltd involves several stages:

• Mix Raw Material
• Shape the Blank
• Drying
• Glazing
• Kiln Firing
• Glue Assembly
• Routine and Special Tests
• Packaging as Finished Products

Packaging and Supply

• Minimum Order Quantity: 10 pieces
• Supply Ability: 50,000 pcs
• Daily Output: 10,000 pieces
• Delivery Ports: Ningbo, Shanghai
• Payment Terms: TT, L/C, FCA
• Certification: ISO9001

Related Products

Jiangxi Huayao Electric Co., Ltd offers a range of porcelain insulators compatible with various applications, adhering to ANSI standards for reliable performance.