Disk Insulator 21 kV

Our Disk Insulator for 21 kV is engineered to provide superior electrical insulation and mechanical support for medium-voltage overhead transmission and distribution lines. Manufactured from high-quality porcelain or toughened glass, these insulators ensure high dielectric strength, weather resistance, and long service life.

Ideal for use in utility substations, power grids, and smart city infrastructure, the disk insulator prevents electrical leakage and withstands mechanical stresses caused by conductor tension and environmental factors.

Key Features:

• Rated for 21 kV medium voltage applications
• Made from premium porcelain or toughened glass
• High dielectric strength and weather resistance
• Excellent mechanical durability and tensile strength
• Complies with IEC 60383 and ANSI standards

Benefits:

• Ensures reliable insulation and safety in power lines
• Resistant to pollution, moisture, and extreme weather
• Long-lasting with minimal maintenance needs
• Suitable for utility, industrial, and urban power distribution

Technical Specifications Table: