Automatic isolator switch eDB series

high-voltagecenter break

Maximum reliability and minimal maintenance The eDB disconnectors are available up to 420 kV, 3150 A and 50 kA. These disconnectors have a low friction design and offer minimized contact resistance. They are equipped with dead center interlocking for reliability in extreme conditions. Some other important features of these disconnectors are: • No external spring in contact fingers • Low friction design • Superior design of mechanical interlock • Strong rotary pedestals • Ice breaking capacity Applications The horizontal double break disconnector is suitable for substations with limited phase space and installation with low vertical clearance. Why Hitachi ABB Power Grids? • Worldwide experience • Maximum reliability and minimal maintenance • Energy efficient solution • Easy and quick erection • Reliable and smooth operation • Suitable for wide range of environmental conditions