Coils & Electromagnets

Coils and electromagnets for HV switch operating mechanisms. Pure copper magnet wire, Class H (180°C) insulation system, vacuum pressure impregnation (VPI) or epoxy casting. Interturn insulation verified by impulse test per GB/T 11021. Compatible with major mechanism types worldwide.

Product Images

Key Products

CoilsElectromagnets

Technical Parameters

Material

Pure Copper Magnet Wire / Class H (180°C) Insulation System

Dimensions

Custom winding, interturn impulse withstand verified per GB/T 11021

Surface Treatment

Vacuum Pressure Impregnation (VPI), Epoxy Casting

Standards

IEC 62271-100 / GB/T 11022 / GB/T 11021

Applications

Circuit Breaker Operating Mechanisms (Trip/Close), GIS Control Units

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