Overhead Contact System — Sectioning & Switching
Section Insulators & Disconnectors for Railway Electrification
CRCC-certified manufacturer of OCS sectioning and switching equipment for 25kV AC railways and 1.5kV DC metro systems.
Featured Products
TYPE-TESTED PER TB/T
FYFH-1.0TG-DC Single-Line Section Insulator
Flexible single-line metro section insulator per TB/T 3252-2022 for 1500V DC metro OCS, up...

ZGW1-1.5/3150 DC Disconnector (3150A)
ZGW1-1.5/3150 DC disconnector for 1500V DC metro traction power isolation, rated 3150A.

GW1-27.5 Double-Pole Disconnector (27.5kV)
Double-pole vertical-break outdoor HV disconnector for 2x27.5kV traction substation and se...

XFXP-1.8T-C Neutral Section Insulator (25kV)
Classic neutral section insulator per TB/T 3037-2002 for phase separation on 25kV AC railw...

FYFH-1.6AT-S Shuttle Section Insulator (25kV AC)
Shuttle-type Type A section insulator per TB/T 3036-2016 for in-phase sectioning of 25kV A...

FYFH-2.0TG-DC Double-Line Section Insulator
Flexible double-line metro section insulator per TB/T 3252-2022 for twin contact wire 1500...
Why Chuangwit
ENGINEERING & COMPLIANCEStandards-Driven
Designed and type-tested per TB/T 3036, TB/T 3037 and GB 1985, with reference to EN 50119 and IEC 61992-3 for international projects.
Project Engineering
Customized configurations, layout assistance and complete type test documentation for national railway and metro projects.
Full-Range Manufacturer
From section insulators to 6000A DC disconnectors and operating mechanisms — one accountable supplier for sectioning and switching.