Polymer Tension Rod Insulator KSPC 120-3/0.6 Railway Contact Networks

分类 High Voltage Insulator, Russia Type Products

KSPC 120-3/0.6 polymer tension rod insulator for 3kV railway contact networks. Features 120kN tensile strength, silicone rubber housing, 600mm creepage distance, and excellent pollution resistance.

其他信息

Product Details:

The KSPC 120-3/0.6 Polymer Tension Rod Insulator is designed for railway overhead contact line systems operating at 3 kV DC.

It is used to support and electrically isolate contact network conductors, suspension components, and fastening elements from grounded structures while maintaining high mechanical strength and long-term reliability.

Manufactured with a fiberglass reinforced core rod and a silicone rubber housing, the insulator provides excellent resistance to pollution, moisture, UV radiation, and mechanical loading, making it suitable for harsh railway environments.

Key Features

High mechanical tensile strength up to 120 kN
Silicone rubber housing with excellent hydrophobic performance
Superior resistance to contamination and tracking
Lightweight compared to porcelain alternatives
Suitable for severe pollution areas (Class III–VII)
UV-resistant and weather-resistant construction
Maintenance-free operation
Designed for railway overhead catenary and contact line systems
Long service life in outdoor environments

Technical Specifications

Insulator KSPC 120-3/0.6

Operating voltage, kV

3,3

Rated voltage, kV

Construction height H, mm

560

Insulation height L, mm

266

Length of leakage path, cm

Diameter of load-bearing rod, mm

Weight, not more than, kg

6,1

Climatic version

UHL1

Degree of air pollution according to GOST R 51204-98

III… VII

Nominated mechanical tensile bending breaking force, not less than, kN

120

Nominated breaking bending moment, not less than, kNhm

Withstanding one-minute voltage of 50 Hz in dry condition, not less than, kV

Withstanding one-minute voltage of 50 Hz in the rain, not less than kV

– in a horizontal position

– in an upright position

Withstanding voltage of industrial frequency in dirty and moistened state,

not less than kV (at specific surface conductivity of 50 μCm)

Withstand lightning pulse voltage, not less than, kV

125

Applications

The KSPC 120-3/0.6 insulator is widely used in:

Railway electrification systems
Overhead contact line (OCL) networks
Catenary suspension systems
Anchor and tension assemblies
Contact wire support structures
DC traction power distribution systems

Construction

Silicone Rubber Housing

Provides excellent hydrophobicity and pollution resistance, reducing leakage current and flashover risk.

Fiberglass Core Rod

Ensures high mechanical strength while maintaining lightweight characteristics.

Galvanized Metal End Fittings

Offers excellent corrosion resistance and secure mechanical connection to railway hardware.