Buzz | Project Solutions Engineer+86 183 7066 5235
Bella | Application Engineer+86 136 9956 4381sales@sunengelec.com
EN
Start an Enquiry
Power Line Insulators

ANSI 52-3 Electrical Ceramic Suspension Disc Insulator Porcelain 11kv-33kv Insulator

Share the model, quantity, drawing, destination and project requirement for a focused response.

Product Overview

ANSI 52-3 Ball and Socket Type Suspension Porcelain Insulator is designed for North American medium & high voltage overhead transmission lines. Equipped with Type B ball-socket coupling and high-strength porcelain body, it provides stable 67kN combined mechanical-electrical strength, long leakage distance and full standard electrical performance for tower suspension string assembly.
Attributes
Coupling Size: Type B
Compliance Standard: ANSI C29.2, IEC, CE, ISO
OEM & ODM: Supported
Diameter: 10 in (254 mm)
Spacing: 5 3/4 in (146 mm)
Leakage Distance: 12 5/8 in (320 mm)
Dry Arcing Distance: 7 3/4 in (197 mm)
Combined M&E Strength: 15,000 lbs (67 kN)
Impact Strength: 55 inch-pounds (6.2 Nm)
Routine Proof Test Load: 7,500 lbs (33.5 kN)
Time Load Test Value: 10,000 lbs (44.5 kN)
Maximum Working Load: 7,500 lbs (33.5 kN)
Low Frequency Dry Flashover Voltage: 80 kV
Low Frequency Wet Flashover Voltage: 50 kV
Positive Critical Impulse Flashover Voltage: 125 kV
Negative Critical Impulse Flashover Voltage: 130 kV
Low Frequency Puncture Voltage: 110 kV
Test Voltage RMS to Ground: 10 kV
Max RIV at 1000kHz: 50 μV

Product Features

  • • 67kN ultimate combined mechanical-electrical breaking load
  • • 33.5kN safe long-term maximum working load
  • • 320mm leakage distance for good anti-pollution performance
  • • Standard Type B ball-socket fitting for quick series connection
  • • Stable dry, wet and lightning impulse insulation performance
  • • Low radio interference, anti-UV and anti-salt fog porcelain shell

Product Structure

Performance & Dimensions

Application Area

• Medium & high voltage overhead transmission suspension strings
• Hanging assemblies on power transmission towers
• Light and medium pollution power distribution grids
• Standard ANSI-compliant North American overhead power projects

Production Workshop

Inquiry Now

Send the model, drawing, BOM or project specification. Our team will respond around the actual selection points.

Open Full Enquiry Page