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PKP 1250

External dimensions (LxWxH): 3000x2100x2560 mm
Max. nominal power: 1000 kVA
Empty skeleton weight: 8100 kg


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 1000 kVA

HV bus-bars nominal current: regarding to HV switchgear type to 630 A

LV bus-bars nominal current: to 1600 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 25 kA / to 60 kA

LV distributor cover: IP 20

Whole station cover: IP 23D

Temperature coefficient (cover class): K 20

External dimensions (LxWxH): 3000x2100x2560 mm

Empty skeleton weight with the door: cca 8100 kg


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

Exposure class:

  • for internal components: XC1
  • for external components: XC4, XF1, XA1.

Operating conditions:

  • ambient temperature –40°C ≤ t ≤ + 40°C
  • altitude up to 1000 m asl.

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

EN - Presnost. Inovace. Kvalita. 

EN - Jen s perfektním výsledkem jsme spokojeni.