Medium voltage switchgears KYN61-40.5(Z) Ratings: system voltage 40.5kV, rated current up to 3150A, AC 50/60HZ Application: mainly applicable in the power plant, substation, mineral enterprise. It also can be used in places where the frequently operations are in need. KYN28A-12(Z)(GZS1) Ratings: system voltage 3.6kV, 7.2KV, 12KV, rated current up to 4000A, AC three phase 50/60HZ.mv switchgears application: mv switchgears mainly applicable in the power plant, substation, mineral enterprise to receive and distribute power with the functions of controlling, protecting and monitoring. It also can be used in places where the frequently operations are in need.