Product Catalog




Section 1

15kV primary disconnect switch:

  • 15kV 600A Load break switch
    • ABB NAL (NAL24-6K235R)
    • 60kV BIL
    • Momentary and Fault Closing rating current: 40kA asym.
    • Padlock provision
  • Kirk-key interlock between 15kV switch door and switch handle, to prevent access when energized
  • 1x vacuum circuit breaker electrically operated (TAVRIDA, ISM15_LD_1(55))
    • 15kV, 800A
    • Undervoltage protection (breaker open in case of power loss)
    • Breaker opens in case of NGR fault or resistor fault
  • 1x 15kV control transformer with primary and secondary protections
  • Recessed operating handle, to prevent breaks during handling
  • Removable protecting mesh barrier, for safe fuse replacement
  • 3x high voltage indicator LEDs, at the switch incoming and outgoing
  • 4x grounding balls
  • Visualization window to see 15kV switch state (safety glass)

Section 2

13800 / 600-347V « Delta-Wye » transformer:

  • Dry Type Power Transformer:
    • 1500kVA
    • Class H insulation 220°C
    • 115°C Rise
    • Copper windings
    • Primary: 13.8kV (Delta) BIL: 110kV
    • Secondary: 600/347V (Wye) BIL: 30kV
    • Taps: 4x 2.5% (2FCAN + 2FCBN)
    • IZ: 5% (est.)
    • 65 dBA
  • Splash proof ventilation louver with metal mesh protection behind
  • Station class arresters
  • Qualitrol temperature monitor
  • 30kVA 120/208V external transformer
  • Neutral grounding resistor (NGR) 69 Ohm, 5A cont.
  • ER600V Startco sensing resistor with CT
  • CT’s and PT’s installed at the transformer secondary

Section 3

600V distribution panel section (not segregated):

  • Distribution panel including:
    • 1x 1800A busbar entry with the following breakers
    • 1x 600A busbar entry with the following breakers
    • (ST= Shunt-Trip)
    • Padlock hasp on all 600V breaker
  • 4x 225A outputs:
    • 225A 3P thermomagnetic breaker, 100% rated and adjustable trip unit
    • SE-105 Startco ground fault relay
    • 1x current transformer (CT200-L StartCo)
    • Ground fault indicator lights and controls on each unit
      • 1x reset pushbutton
      • 1x ground fault LED indication light (RED)
      • 1x ground check LED indication light (GREEN)
  • 225A SMS 8346-801 (compatible with CH 8346 serie) female panel mounted receptacle


  • Built as per Adria mine duty standard
  • Built for vertical handling and lifting
  • NEMA 3R enclosure
  • Drip proof design suitable for underground mining
  • Sand blast surface preparation and epoxy painted
  • Standard and easy to replace replacement parts (doors, accessories, etc.)
  • Heaters and thermostat in control and txo compartments
  • Lights in control and switch breaker for inspection
  • Two ground points connections on the skid
  • Dimensions and approximate weight:
    • 5735MM L X 2295MM D X 2630MM H
    • 9 550 kg

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