Changsha Power Electric Co.,Ltd.
                                                                                                           
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7 Years
Since 2019
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Porcelain ANSI 57-5L Power Pole Insulator 1143mm Creepage 12.5KN Strength for Electrical Distribution

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: 35DAYS
Brand: CPE
Product Description
Product Overview

High-performance porcelain line post insulators designed for power distribution systems, manufactured to ANSI 57-5L and 57-5S standards with 1143mm creepage distance and 12.5KN cantilever strength.

Technical Specifications
Parameter Value
ANSI Class 57-5S / 57-5L
Creepage Distance 1143 mm
Dry Arcing Distance 438 mm
Cantilever Strength 12.5 KN
Low Frequency Dry Flashover 175 KV
Low Frequency Wet Flashover 150 KV
Critical Impulse Flashover, Positive 290 KV
Critical Impulse Flashover, Negative 380 KV
Test Voltage to Ground 44 KV
Maximum RIV at 1000KHz 200 uV
Net Weight (Approx.) 18 KG
Package Quantity 2 units
Construction & Materials
  • Manufactured from commercial-grade wet-process porcelain
  • Complete surface glazing except firing surfaces
  • Gray finish compliant with ANSI Z55.1-1967 (R1973)
  • Metal components: malleable iron, ductile iron, steel, or aluminum
  • Ferrous parts galvanized per ASTM A153 standards
Product Images
Porcelain ANSI 57-5L LP Voltage Power Pole Insulator front view showing porcelain construction and metal fittings Porcelain ANSI 57-5L LP Voltage Power Pole Insulator side view displaying creepage distance and mounting details
Competitive Advantages
Factory direct pricing with competitive margins
ANSI, IEC, SA, AS certified quality standards
OEM/ODM customization with mold development
Comprehensive testing with reports and documentation
Professional engineering support and project consultation
Standard export packaging with loading verification
Timely delivery with production tracking
Global shipping from Chinese ports

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changsha Power Electric Co.,Ltd.
Location Room 3007, Building A, Shangcheng, No.47 Kaiyuan East Road Xingsha, Changsha city, Hunan Province.
Contact Person Meggy Li

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