The C4-80 II (С4-80 II) Porcelain Support Rod Insulator is designed for mechanical support and electrical insulation of live conductors, busbars, disconnect switches, and switchgear equipment in AC power systems up to 10kV.
Manufactured from high-strength electrical porcelain, it provides reliable insulation performance and long-term durability in indoor and outdoor installations.
The insulator is widely used in substations, distribution equipment, RLND disconnectors, and power station busbar systems where dependable mechanical and dielectric performance is required.
Key Features
Rated voltage up to 10kV
High-strength electrical porcelain body
Minimum bending failure load of 4kN
Creepage distance of 300mm
Suitable for indoor and outdoor applications
Excellent resistance to weather, pollution, and UV exposure
Long service life with minimal maintenance
Complies with GOST 9984-85 requirements
Ideal for switchgear, disconnectors, and busbar support systems
Technical characteristics of insulators C4-80 II-M UHL1