Single-phase complete transformer substations of pole

Stolbovye complete transformer substations (STP) outdoor installation, voltage 10(6)/0,4 kV, capacity 10-25 kVA with circuit breakers and switches on the outgoing lines 0,4 kV. They are intended for reception of electric energy of three-phase alternating current with frequency 50 Hz, voltage 6 or 10 kV, conversion into electric energy with voltage 0,4 kV and supplying consumers with it.