Porcelain Pin Insulator ShF-20

Изолятор ШФ-20

ShF-20G insulators are designed for insulating and fastening wires of power lines and switchgear of power plants and alternating current substations with voltage up to 20 kV inclusive and frequency up to 100 Hz.

Operate at ambient temperatures from -60 to +50°C.

Key Features

• Rated for overhead lines up to 20kV
• High-strength glazed porcelain body
• Excellent resistance to UV, pollution, and moisture
• Long service life with minimal maintenance
• Suitable for temperatures from -60°C to +50°C
• High mechanical strength for conductor support
• Resistant to electrical tracking and flashover
• Designed for utility and industrial power networks

Technical Specification

Model: ShF-20G

Minimum mechanical breaking load, kN: 13

Breakdown voltage in an insulating environment, kV:180

Withstand voltage frequency 50 Hz dry, kV: 85

Withstand voltage frequency 50 Hz in the rain, kV:65

Withstand voltage impulse voltage 1.2/50 +/-, kV: 135

Creepage distance, mm: 400

Construction height, mm: 184

Weight, kg: 3.5