News & Resources

AIS or GIS: Which Switchgear Is Right for Your Project?

What Is Air Insulated Switchgear (AIS)?

Air Insulated Switchgear (AIS) uses air as its insulating medium to control, protect, and distribute electrical energy in medium and high voltage power systems. With a long track record…

What Is A Switchgear?

Types, functions and how switchgear is applied in medium and low voltage distribution networks.

What Is A Load Break Switch? Types, and Applications

Structure, operating principle and common applications in ring main units and substations.

What is Vacuum Circuit Breaker? Types and Applications

Working principle, arc quenching mechanism and typical use in MV switchgear panels.

What is a Ring Main Unit?

A ring main unit (RMU) is a core switching device in medium-voltage distribution networks, specifically designed for ring network power supply systems to achieve segmentation, protection, isolation, and…