Switchgear MV AIS – Normal Clad

Medium Voltage AIS Metal Clad Switchgear - NORMAL CLAD - Special features up to IP65. Air Insulated (AIS) switchgear, fitted with metallic segregated compartments and withdrawable main components (circuit breaker, voltage transformers, protection relays). It is designed for primary distribution grids and can be supplied as standard or Internal Arc-Classified IAC AFLR. For outdoor use (mines, Oil & Gas) can be design in special features with a protection degree up to Ingress Protection IP 65 and configuration Duplex,Double Busbars Systems.

Technical Features
  • Protection degree from IP4X for indoor applications, up to IP65 for outdoor applications

  • Simple or double busbar system, double top with two breakers and other customizable configurations available

  • Front access

  • Installation on base frame or on concrete basement

  • Operators’ safety during operations and maintenance according to Leg. Decree no. 81/2008 and legislation IEC 62271-200

  • Multi-brand air or SF6 gas insulated breakers applicated on withdrawable carriage

  • Withdrawable breakers and current transformers

  • Protection and control relay, and customized and settable digital counters

  • Static or digital synoptic

  • Digital option to reduce wiring in order to maximize performance

  • SCADA system integration

  • Integration of thermal control system on bars and breakers, upon request

  • Integration of internal-arc protection systems, upon request

  • Integration of fast transfer systems, frequency and load-shedding control, upon request

Advantages
  • Tailor-made product

  • Interchangeable breakers

  • Remote control

  • Easy ordinary and extraordinary maintenance, thanks to front accessibility

  • High safety level for the operators involved

  • Short construction and delivery times

Applications
  • Oil & gas

  • Railway sector

  • Naval sector (installations)

  • Smart grid

  • Utility on primary distribution grids

  • Mobile substations

  • Photovoltaic plants

  • Wind power stations

  • Hydroelectric power stations

  • Other electric energy generation plants

Data Sheet Normal Clad

    • Rated Voltage

    • kV

    • 12

    • 17,5

    • 24

    • 36

    • 40,5

    • Rated Voltage insulation (1min)

    • kV

    • 28

    • 38

    • 50

    • 70

    • 85

    • Impulse Test Voltage (BIL)

    • kV

    • 75

    • 95

    • 125

    • 170

    • 200

    • Main busbar rated current

    • A

    • Up to
      4000

    • Up to
      4000

    • Up to
      3600

    • Up to
      3150

    • Up to
      3150

    • Main bars rated current

    • A

    • 1250

    • 2000

    • 2500

    • 3150

    • 3600

    • 4000

    • 1250

    • 2000

    • 2500

    • 3150

    • 3600

    • 4000

    • 1250

    • 2000

    • 2500

    • 3150

    • 1250

    • 2000

    • 2500

    • 3150

    • 1250

    • 2000

    • 2500

    • Short time rated current

    • kA (3s)

    • up to
      50

    • up to
      50

    • up to
      40

    • up to
      31,5

    • up to
      40

    • Rated frequency

    • Hz

    • 50-60

    • 50-60

    • 50-60

    • 50-60

    • 50-60

    • IP Protection degree

    • IP4X*

    • IP4X*

    • IP4X*

    • IP4X*

    • IP4X*

    • Loss of service continuity (LSC)

    • LSC2B

    • LSC2B

    • LSC2B

    • LSC2B

    • LSC2B

    • Arc-proof version

    • kA (1s)

    • 25

    • 25

    • 25

Up to IP65, upon request

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