Steel compact secondary substation Terra 6C

Type tested, ready to install compact secondary substation (CSS) in metal enclosure, for 630 kVA transformer, 3 panel 12 / 24 kV gas insulated switchgear or 12 kV switch.

The enclosure is divided into three compartments, one for the MV switchgear, LV switchboard and distribution transformer each. The weight of the CSS without electrical equipment is 1975 kg.

Dimensions (LxWxH)
Enclosure (6 degree roof): 2734 x 1534 x 1997 mm
Transformer compartment (oil pit): 1714 x 900 x 1801 mm

Max equipment

  • Transformer:
    630 kVA hermetically sealed oil transformer
  • MV Equipment:
    3 panel SafeRing 12 / 24 kV or NAL Cubicle 12 kV
  • LV Equipment:
           13 x 400 A InLine fuse switches
            8 x 400 A Kabeldon fuse switches
    The LV cables for a 630 kVA transformer are 2 x 240 mm2 per phase.

Why ABB?

  • Type tested according to the latest IEC 62271-202 specifications
  • Internal arc fault Type AB tested at 20 kA, 1 second
  • No access to live parts
  • High level of safety for equipment and personnel
  • Ready to install unit complete with internal interconnections, wiring and earthing.

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