Dalian Hivolt Power System Co.,Ltd.
                                                                                                           
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Vertical Line Post Insulator 57-12 with Top Clamp | 330mm Length, 12.5KN Strength | ANSI C29.7 Standard

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Brand: HIVOLT
Product Description
Product Overview

ANSI C29.7 standard porcelain line post insulator 57-12 with top clamp design for vertical installation in distribution systems up to 24KV.

Technical Specifications
Specification Unit Value
Total Length mm 330
Max. Shed Diameter mm 165
Creepage Distance mm 560
Cantilever Strength KN 12.5
Power Frequency Flashover Voltage (dry) KV 100
Power Frequency Flashover Voltage (wet) KV 70
Critical Impulse Flashover Voltage KV 160
Radio Interference Voltage Test KV 22
Max. RIV at 1 MHz μV 100
Premium Material Construction
  • Metal Caps: High-density ductile or malleable iron with magnetic powder inspection; top clamps made of cast aluminum alloy suitable for conductor sizes 0.25" to 2.7"; hot-dip galvanized coating meets IEC/ASTM standards
  • Porcelain Insulation: High-aluminum porcelain C120/C130 with hard, glossy glaze in grey, brown, or white
  • Cement: Premium Portland cement ensuring reliable mechanical performance and durability
Applications

Designed for vertical installation in distribution lines up to 24KV. Features aluminum top clamps for secure conductor support and positioning.

Competitive Advantages
  • High-aluminum porcelain construction provides smaller core diameter with superior mechanical strength
  • Reduced unit weight for easier installation and maintenance
  • Smooth, glossy glaze surface offers excellent self-cleaning performance
  • Extended 3-5 year quality guarantee for reliability assurance
  • Custom design capabilities based on specific technical requirements

Get in Touch

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

Company Dalian Hivolt Power System Co.,Ltd.
Location No.2804, 75 Huili Street , Ganjingzi District, Dalian China
Contact Person Canning

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