The suspension composite insulator for electrified railway contact net consists of three parts: a mandrel, an outer insulation and a metal attachment. It shall comply with the standard of TB/T3199.2-2008 《Insulators for electrified railway contact nets - Part 2: Rod composite insulators》.

It can be widely used in areas with different pollution levels, with light weight, small volume, not easy to break, high tensile strength and strong pollution resistance.

Type	Rated voltage kV	Rated bending load KN	Structure height (mm)	Insulation distance (mm)	Min nominal creepage distance (mm)	Lightning full wave impulse withstand voltage kV	Power frequency dry withstand voltage kV	Power frequency temperature withstand voltage ≥(kV)	IMG
FQX-25/100-UH	25	100	704	504	1500	250	150	130	T-X
FQX-25/100-UHG	25	100	820	620	1800	250	150	130	T-X

Type	Rated voltage kV	Rated bending load KN	Structure height (mm)	Insulation distance (mm)	Min nominal creepage distance (mm)	Lightning full wave impulse withstand voltage kV	Power frequency dry withstand voltage kV	Power frequency temperature withstand voltage kV	IMG
FQXS-25/100-UHG	25	100	820	620	1800	250	150	130	T-X

Type	Rated voltage kV	Rated bending load KN	Structure height (mm)	Insulation distance (mm)	Min nominal creepage distance (mm)	Lightning full wave impulse withstand voltage kV	Power frequency dry withstand voltage kV	Power frequency temperature withstand voltage kV	IMG
FQX-25/100-HH	25	100	704	504	1500	250	150	130	T-X
FQX-25/100-HHG	25	100	820	620	1800	250	150	130	T-X