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