H4-125 High Voltage Porcelain Post Insulator 4 KN Strength 210mm Length for Electrical Switches

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: Negotiable

Brand: HIVOLT

Product Description

Product Overview

H4-125 Metric Pitch Porcelain Post Insulators designed for high voltage applications, manufactured with premium materials and rigorous quality control standards.

Technical Specifications

Parameter	Value
Type	H4-125
Cantilever Strength	4 KN
Section Length	210 mm
Dry Power Frequency Withstand Voltage	90 kV
Large Shed Diameter	133 mm
Minimum Nominal Creepage Distance	435 mm
Lightning Impulse Withstand Voltage	125 kV
Wet Power Frequency Withstand Voltage	50 kV

Premium Material Construction

Metal Flange: High-density ductile or malleable iron with magnetic powder inspection, hot-dip galvanized surface meeting IEC and ASTM standards
Porcelain Insulation: High-aluminum C130 porcelain with hard, glossy glaze in grey, brown, or white
Cement: Premium Portland cement ensuring superior mechanical performance and reliability
Silicone Sealant: Protective coating preventing cement dust contamination and ensuring long-term stability

Application Areas

H4-125 support post insulators are designed for electrical switches and electrical cabinets, providing excellent insulation properties and mechanical strength for industrial applications.

Quality Advantages

High-aluminum C-130 porcelain construction with mechanical strength exceeding rated values by over 50%
3-year comprehensive quality guarantee for reliability assurance
Smooth, glossy porcelain surface with superior self-cleaning properties for easy maintenance
OEM customization available to meet specific customer requirements and technical specifications