Mechanism Assemblies

Modular assembly of GIS operating mechanisms and affiliated sub-components. Customers decouple independent functional units — such as circuit breaker mechanisms, disconnector mechanisms, and earthing switch mechanisms — from the GIS body, and we handle component integration, assembly commissioning, and factory acceptance testing. Covering spring-operated, hydraulic-operated, and motor-operated types, we deliver ready-to-install sub-assemblies that simplify final assembly and reduce on-site installation time.

Product Images

Key Products

Operating Mechanism UnitsTransmission AssembliesInsulating Rod Assemblies

Technical Parameters

Material

Spring Steel / 40Cr Alloy Structural Steel / SS 304/316 / Copper Alloys

Dimensions

Custom assembly per integration drawings, mechanical testing (trip/close time, velocity)

Surface Treatment

Zinc Plating (Zn ≥ 8μm), Nickel Plating, Phosphating, Anti-Rust Oil Preservation

Standards

IEC 62271-100 / GB 1984 / DL/T 402 / IEC 62271-102

Applications

GIS Circuit Breaker Mechanisms, Disconnector Mechanisms, Earthing Switch Mechanisms (110kV~1100kV)

Service Validation

Our components have been type-tested within customer assemblies per IEC 62271-100 and are proven across hundreds of substations in China's national grid. We maintain long-term framework supply agreements with leading switchgear manufacturers — including XD Electric, Henan Pinggao, Shandong Hitachi, and Toshiba — with full batch traceability and inspection reports for every delivery.

Looking for a Proven High-Voltage Switchgear Component Partner?

30+ Years Manufacturing · 110kV~1100kV Full Range · Validated Across Major Grid Projects