ctor Switches To suit many substation layouts and voltage stage needs, HV disconnector switches come in various layout configurations. 1.three.one Middle-Crack Disconnector This common form features two relocating arms that pivot open up from the middle, developing a horizontal crack. They're sturdy, present fantastic visibility from the air gap, https://www.bondhuplus.com/post/958854_their-construction-is-rugged-designed-for-either-pole-mounting-pad-mounting-in-a.html