Primary Air Insulated Switchgear

Primary Air Insulated Switchgear is our distribution switchgear that offers high-performance functionality up to 40.5 kV. With the use of air-insulated technology, this equipment protects high and medium-voltage electrical networks.

  • Air-Insulated Switchgears (AIS) use air as main insulator between the conductive components, which facilitates maintenance and handling.
  • Designed to offer high reliability and long service life, even in harsh environmental conditions.
  • Integrates safety devices to help protect operators and equipment from overloads and short circuits.


  • AIS is a modular switchgear, allowing flexibility and customization according to specific installation needs.

    Our designs now include modern features like embedded arc flash protection, HMI, protection relays, and condition monitoring sensors to extend the life of your switchboard.

    AIS includes various components such as:

  • Vacuum or SF6 gas Circuit Breakers, for interrupting fault currents.
  • Current and Voltage Transformers, for measuring electrical signals.
  • Disconnectors and Earthing Switches, for grounding with safer operations.
  • Surge Arresters, for protection against transient overvoltage.


  • Widely utilized across Energy Distribution, Industrial, and Renewable Energy sectors, AIS switchgear sets the standard for adaptability and performance.

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