Product Structure
Power Line Insulators
ANSI 57-13 C29.6 Electrical Ceramic Line Post Insulators Porcelain 33kv-45kv Insulator
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Product Overview
ANSI 57-13 Line Post Porcelain Insulator follows ANSI/NEMA C29.7 standard, specially developed for 45kV overhead dead-end & tension distribution lines in North American power grids. It owns dual mechanical performance of cantilever and tension resistance, long leakage distance and reliable anti-pollution insulation.
Core Parameters
Standard: ANSI C29.7, IEC, CE, ISO
Leakage Distance: 29 in (737 mm)
Dry Arcing Distance: 12 1/4 in (311 mm)
Cantilever Strength: 2,800 lbs (12.5 kN)
Tension Strength: 5,000 lbs (22 kN)
Rated Application Voltage: 45 kV
Low Frequency Dry Flashover Voltage: 125 kV
Low Frequency Wet Flashover Voltage: 100 kV
Positive Critical Impulse Flashover Voltage: 210 kV
Negative Critical Impulse Flashover Voltage: 260 kV
RMS Test Voltage to Ground: 30 kV
Max RIV at 1000kHz: 200 μV
Standard: ANSI C29.7, IEC, CE, ISO
Leakage Distance: 29 in (737 mm)
Dry Arcing Distance: 12 1/4 in (311 mm)
Cantilever Strength: 2,800 lbs (12.5 kN)
Tension Strength: 5,000 lbs (22 kN)
Rated Application Voltage: 45 kV
Low Frequency Dry Flashover Voltage: 125 kV
Low Frequency Wet Flashover Voltage: 100 kV
Positive Critical Impulse Flashover Voltage: 210 kV
Negative Critical Impulse Flashover Voltage: 260 kV
RMS Test Voltage to Ground: 30 kV
Max RIV at 1000kHz: 200 μV
Product Features
- • Dual mechanical performance: 12.5kN cantilever + 22kN tension strength for dead-end tension lines
- • 737mm long leakage distance improves anti-pollution ability in coastal & industrial areas
- • Stable dry, wet and lightning impulse insulation performance
- • Standard ANSI C29.6 post design for 45kV North American distribution projects
- • Dense porcelain body resists UV, salt fog and acid rain aging
- • Controlled radio interference to guarantee stable power transmission
Performance & Dimensions
Application Area
• 45kV overhead tension/dead-end power distribution lines
• Pole terminal anchoring & wire tension fixing
• Medium & heavy pollution coastal and industrial power grids
• North American ANSI standard overhead power transmission infrastructure
Production Workshop
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