Porcelain ANSI 57-5L Power Pole Insulator 1143mm Creepage 12.5KN Strength for Electrical Distribution
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
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