The basic material of ZKSN type switchgear substation is concrete complying with electrical, thermal and mechanical requirements set out in MSZ EN 62271-202:2014 standard specifications. The switchgear substation is monolithically cast as a single piece one, built without gap. The compression strength of concrete conforms to Grade C30/37. The switchgear substation consists of a single compartment, namely a compartment containing a medium voltage switchgear unit. The switchgear compartment allows to install an SF6 gas insulated medium voltage switchgear unit consisting of three or four cubicles.
The switchgear substation has adjustable dimensions thus allowing to install a switchgear unit consisting of more than one medium voltage cubicles in the switchgear compartment according to the customer’s needs.
Main technical specifications:
Maximum voltage: | 24 kV |
Medium voltage side, rated thermal short time withstand current: | 16 kA/1s |
Rated current: | 630 A |
Substation protection degree: | IP 23D |
Control: | externally |
Cable entries: | watertight (Hauff system) |
External finish: | patent plaster (colour selectable according to RAL scale of colours) |
Dimensions, weight:
Width: | 2 100 mm |
Length: | 1 300 mm |
Height: | 2 500 mm |
Basic area: | 2,73 m2 |
Weight: | 5 000 kg |
Roof overhang size: | 100 mm around the substation |
Product standard relevant to the substation: MSZ EN 62271-202:2014 High voltage switchgear and controlgear units. Part 202: High- / low voltage pre-assembled substation.
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