Insulators
ANSI 52-4 Electrical Ceramic Suspension Disc Insulator 67kN Porcelain 11kv-33kv Insulator
Product Overview
ANSI 52-4 Clevis Type Suspension Porcelain Insulator is made for North American medium & high voltage overhead transmission lines. Adopting Type B clevis fitting and high-strength porcelain, it features 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
Outdoor Service Life: Over 30 Years
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
Outdoor Service Life: Over 30 Years
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 combined mechanical-electrical strength for heavy load suspension
- 320mm long leakage distance for superior anti-pollution performance
- Type B clevis fitting for quick connection of insulator strings
- Excellent dry, wet and lightning impulse insulation capacity
- Low radio interference to guarantee stable power transmission
- High-density porcelain resists UV, salt fog and outdoor aging
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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