... components. VCB, Insulators, Bushing, Mechanical devices, ES, etc. KYN61-40.5 air-insulated metal-clad enclosed switchgear is a necessary power ... distribution equipment in 40.5kV 3-phase AC50/60Hz single busbar sectional power ... be equipped with multiple circuit breaker to meet customers' requirements.5, Shutter can be opened and closed flexibly. With the ...