HV nominal voltage: 3 AC 22 kV 50 Hz

LV nominal voltage: 3/PEN AC 420/242 V 50 Hz / TN-C,

Frequency: 50 Hz

Transformer nominal power: to 630 kVA, (custom to 1000 kVA)

HV bus-bars nominal current: regarding HV distributor´s type to  630 A

LV bus-bars nominal current: to 1 000 A, (custom to 1500 A)

HV/LV distributor nominal insulation voltage: 24 kV/1000 V

HV distributor short-time/dynamic current:  16 kA/40 kA

LV distributor short-time/dynamic current: to 30 kA/to 60 kA

LV distributor cover: IP 20

Whole station cover: IP 23D

Cover class: K 20

Empty skeleton weight: cca 13 600 kg

External dimensions (LxWxH): 3 100x2 700x3 247  mm

Environment:

• 3.1.1. basic (within inside the kiosk-type TS room),
• 4.1.1. external ambient, ordinary (outside the TS room )

Exposurez class. trieda:

• internal parts: XC1
• external parts: XC4, XF1, XA1.

Operating conditions:

• ambient temperature –40°C ≤ t ≤ + 40°C
• altitude up to 1 000 MASLm asl.

Note: If the transformer substation is used in different climate and operating conditions, the TS supplier is needed to be consulted.