Composite Pin Insulators support overhead distribution conductors on pole-mounted pins or spindles. Their silicone rubber sheds and lightweight FRP core provide electrical insulation and weather resistance for medium-voltage distribution systems.

Specialization

Insulating material: Silicone rubber
Core material: FRP
End fittings: Hot-dip galvanized steel
Rated voltage: 11 kV, 15 kV, 24 kV, 33 kV
Specified cantilever load: 5 kN, 8 kN, 10 kN, 12.5 kN
Creepage distance: 320–900 mm
Reference standard: IEC 61952

Mounting: Threaded metal base or pin-mounted fitting