Product Structure
Power Line Insulators
ANSI 52-1 Electrical Ceramic Suspension Disc Insulator 44kN Porcelain 11kv Insulator
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Product Overview
ANSI 52-1 Clevis Type Suspension Porcelain Insulator is engineered for overhead medium voltage transmission lines in North American markets. Constructed with high-strength electrical porcelain and Type B clevis coupling, it offers stable combined mechanical & electrical strength, standard insulation performance and long-term outdoor weather resistance.
Attributes
Coupling Size: Type B
Compliance Standard: ANSI C29.2, IEC, CE, ISO
Outdoor Service Life: Over 30 Years
Diameter: 6 1/2 in (165 mm)
Spacing: 5 1/2 in (140 mm)
Leakage Distance: 7 in (178 mm)
Dry Arcing Distance: 4 1/2 in (114 mm)
Combined M&E Strength: 10,000 lbs (44 kN)
Impact Strength: 44 inch-pounds (5 Nm)
Routine Proof Test Load: 5,000 lbs (22 kN)
Time Load Test Value: 6,000 lbs (27 kN)
Maximum Working Load: 5,000 lbs (22 kN)
Low Frequency Dry Flashover Voltage: 60 kV
Low Frequency Wet Flashover Voltage: 30 kV
Positive Critical Impulse Flashover Voltage: 100 kV
Negative Critical Impulse Flashover Voltage: 100 kV
Low Frequency Puncture Voltage: 80 kV
Test Voltage RMS to Ground: 7.5 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: 6 1/2 in (165 mm)
Spacing: 5 1/2 in (140 mm)
Leakage Distance: 7 in (178 mm)
Dry Arcing Distance: 4 1/2 in (114 mm)
Combined M&E Strength: 10,000 lbs (44 kN)
Impact Strength: 44 inch-pounds (5 Nm)
Routine Proof Test Load: 5,000 lbs (22 kN)
Time Load Test Value: 6,000 lbs (27 kN)
Maximum Working Load: 5,000 lbs (22 kN)
Low Frequency Dry Flashover Voltage: 60 kV
Low Frequency Wet Flashover Voltage: 30 kV
Positive Critical Impulse Flashover Voltage: 100 kV
Negative Critical Impulse Flashover Voltage: 100 kV
Low Frequency Puncture Voltage: 80 kV
Test Voltage RMS to Ground: 7.5 kV
Max RIV at 1000kHz: 50 μV
Product Features
- • 44kN combined mechanical-electrical strength for steady suspension
- • 178mm leakage distance delivers reliable anti-pollution capacity
- • Standard Type B clevis coupling for easy string assembly
- • Balanced dry, wet and impulse insulation performance
- • Low radio interference ensures smooth grid operation
- • Dense porcelain body resists UV, rain and dust erosion
Performance & Dimensions
Application Area
• Medium voltage overhead transmission suspension strings
• Utility tower power line hanging assemblies
• Rural & suburban light pollution power distribution grids
• North American standard overhead power infrastructure projects
Production Workshop
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