Product Structure
Power Line Insulators
ANSI 52-9 Electrical Ceramic Suspension Disc Insulator Porcelain 11kv-33kv Fittings Insulator
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Product Overview
ANSI 52-9 Clevis Type Suspension Porcelain Insulator follows ANSI C29.2 standard, designed for North American medium voltage overhead transmission lines. With compact Type B clevis connection and 44kN combined mechanical-electrical strength, it is lightweight for small-span power line suspension.
Attributes
Coupling Size: Type B
Standard: ANSI C29.2, IEC, CE, ISO
Diameter: 4 3/4 in (121 mm)
Spacing: 6 1/4 in (159 mm)
Leakage Distance: 7 in (178 mm)
Dry Arcing Distance: 4 in (102 mm)
Combined M&E Strength: 10,000 lbs (44 kN)
Impact Strength: 45 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: 90 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
Standard: ANSI C29.2, IEC, CE, ISO
Diameter: 4 3/4 in (121 mm)
Spacing: 6 1/4 in (159 mm)
Leakage Distance: 7 in (178 mm)
Dry Arcing Distance: 4 in (102 mm)
Combined M&E Strength: 10,000 lbs (44 kN)
Impact Strength: 45 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: 90 kV
Low Frequency Puncture Voltage: 80 kV
Test Voltage RMS to Ground: 7.5 kV
Max RIV at 1000kHz: 50 μV
Product Features
- • 44kN ultimate breaking load, 22kN safe long-term working load
- • Small compact size, light weight for easy transport & installation
- • Standard Type B clevis for fast insulator string assembly
- • Stable dry, wet and impulse insulation performance
- • Low radio interference, weather-resistant porcelain body
Performance & Dimensions
Application Area
• Medium voltage overhead suspension insulator strings
• Short-span urban & rural power transmission towers
• Light pollution overhead distribution power grids
• ANSI standard North American small load power projects
Production Workshop
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