what are the advantages of Horizontal isolation breakers v/s vertical isolation

what are the advantages of Horizontal isolation breakers v/s
vertical isolation breakers in medium voltage switchgear class.

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what are the advantages of Horizontal isolation breakers v/s vertical isolation breakers in medium ..

Answer / hemantha madurapperuma

The question should be re-phrased. Though there are numerous advantages of the vertically isolated MV switchgears, the design has been phased-out altogether.

The main advantage of the vertical isolated design, all critical insulation surfaces being vertically disposed , least pone to surface contamination.

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