KYN61-40.5 Series Metal-clad Withdrawable Switchgear is suitable for 3-phase AC 40.5kV single busbar and single busbar segmented power systems, used to receive and distribute electrical energy, and to control, protect, and monitor circuits. KYN61-40.5 switchgear is fully designed to withstand internal fault arcs, with a maximum seismic rating of AG3 (seismic intensity of 8 degrees). It has passed the type test certification of national authoritative testing institutions and meets standards such as GB/T 3906 and IEC 62271. It has been widely used in power grid systems, power plants, new energy sources, petrochemical, railway, industrial and mining, commercial buildings, and other fields.

Product advantages
1.Metal armor closure effectively prevents the spread of accidents;
2.Complete isolation of high and low voltage rooms;
3.Adopting a double-sided maintenance design, compact structure and convenient maintenance;
4.The circuit breaker adopts a modular design, with a simple and reliable structure and long service life;
5.Complete five protection interlock functions to prevent misoperation and achieve door closing operation;
6.Fully resistant to internal fault arc design, up to 31.5kA/1S;
7.Can meet insulation clearance ≥ 300mm;
8.When using composite insulation, the maximum altitude can meet 3500m;
9.Various main switches can be selected, such as vacuum circuit breakers, SF6 circuit breakers, etc;
10.It can be equipped with intelligent components such as electric vacuum circuit breakers, electric grounding switches, and wireless temperature measurement to achieve functions such as one click sequential control and temperature measurement of incoming and outgoing lines.