STKBz type concrete container substations

External access

Designed to be placed as a freestanding unit in a location that is convenient in terms of its setting and the needs of the users
The enclosure of the station is constructed as a precast reinforced concrete structure comprising a foundation, side walls and a roof
Access to each compartment is provided by separate doors made of aluminium profiles, which have been additionally coated with primer

The interior of the enclosure is divided into compartments:

Container transformer stations in concrete enclosures with external access can work with medium voltage cable networks configured as ring or radial systems, as well as with low voltage cable networks

Transformer compartment

MV switchgear compartment

LV switchgear compartment

These types of transformer stations are used for power supply to:

housing estates in towns and cities

parks and recreational areas

suburban estates and villages

construction sites

industrial plants and craft workshops

Station parameters	Switchgear
	MV	LV
Rated voltage	24 kV	400 V
Rated uninterrupted current	630 A	1250 A
Rated short-time withstand current (1s)	16 kA	16 kA
Rated short-circuit peak current	40 kA	32 kA
Rated frequency	50 Hz
Maximum transformer rating	up to 630 kVA
Degree of protection	IP 43