Disconnectors

ABB offers reliable and energy efficient disconnectors based on long experience of design and manufacturing for 72.5 kV to 550 kV to meet requirements as demanded by site and network conditions.

ABB disconnectors have been in service across the world for over two decades providing maintenance-free service with the highest records of operational reliability. The worldwide experience, often under severe climatic conditions, is applied for continual product improvement

Applications
Disconnector is a mechanical device for providing isolation of power equipment from the network, it is suitable for switching very small currents or where no significant change in voltage occurs across the terminals. The option of earthing sections of power systems can be made available by providing each disconnector pole with one or two earthing switches.

Our offering

  • SDF

    Horizontal center break disconnector
    Most frequently used in substations due to its simplicity and arrangement flexibility

  • GW54

    Pantograph disconnector
    Appropriate when busbars arranged at two different levels, suitable for substations with small installation area

  • eDB

    Horizontal double break disconnector
    Suitable for substations with limited phase space and installation with low vertical clearance

  • GW57

    Horizontal knee disconnector
    Smallest spaces requirements in both horizontal and vertical directions , suitable for substations with small installation area

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    ABB contact for United States of America

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