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 1 000 kVA

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

LV bus-bars nominal current: to 1 500 A

HV / LV distributor nominal insulation voltage: 24 kV / 1 000 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 17 000 kg

External dimensions (LxWxH): 5 040x2 320x3 550 mm (without roof overlap)

Environment:

• 3.1.1. basic (inside the kiosk-type TS room),
• 4.1.1. ambient, ordinary (outside the TS room - STN 33 03 00)

Exposure class:

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

Operating conditions:

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

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