IEC steel compact substation Mercury 12C
Type tested, ready to install compact secondary substation (CSS) in metal enclosure, for 1250 kVA transformer, 12 / 24 gas insulated switchgear or 24 kV switch, complete with internal interconnections, wiring and earthing.
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 3400 kg.
Dimensions (LxWxH)
Enclosure (6 degree roof): 3034 x 2434 x 2693 mm
Transformer compartment (oil pit): 2161 x 1146 x 2449 mm
Max equipment
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Transformer:
1250 kVA hermetically sealed oil transformer
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MV Equipment:
6 panel SafePlus 12 / 24 kV or 2 panel NAL Switchgear 24 kV
MV transformer cables are as standard 25 mm2 Cu. If the Tee-off is with a vacuum circuit breaker 95 mm2 Al cables will be installed.
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LV Equipment:
LVS3-20M
20 x 400 A InLine fuse switches
12 x 400 A Kabeldon fuse switches
The LV cables for a 1250 kVA transformer are 3 x 300 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