TU_PS Narrow profile current transformers

TU__PS current transformers for measurement instrumentation. They are transformers for primary through, either for cable or for plate. Its envelope is made of plastic, and they have a narrow profile, which allows a better adaptation in the frame due to its small dimensions. TU_PS transformers have different transformation ratios, primary from 30A to 1000A and secondary at 1A or 5A. The accuracy clases can be 0.5, 1 or 3 according to IEC 61869-2.

Connections

Dimensions

Model/ Bus – bar / Cable
TU20PS/ 20×6/ Ø18
TU30PS / 30×10 / Ø25
TU40PS / 40×10 / Ø30
TU50PS / 50×10 / Ø40
TU60PS / 60×10 / Ø50
TU80PS / 80×30 / Ø70
TU100PS / 100×30 / –
TU125PS / 125×50 / –

Bus-Bar
For cable or plate
Plastic envelope
Narrow profile

Standards

  • IEC 185
  • UNE EN 6169 (IEC 61869)
  • VDE 0414
  • IEC 801/1-3.4
  • DIN 57414
  • BS 3938
  • EN 50081
  • EN 50082
  • IEC 1010

General technical specifications.

  • Security factor: Fs < 5
  • Rated voltage (maximum): 720 V
  • Test voltage: 3 kV AC (1min)
  • Frequency: 50 – 60 hz
  • Rated short-time thermal current: Ith limited by cable sizes or primary bus-bar
  • Rated dynamic current: IDyn = 2,5 x Ith
  • Continuous overload: ID = 1,2 x In
  • Operating temperature: -10 … 50 ºC
  • Accuracy: 0,5; 1 and 3 (0,2s; 0,5s on request)
  • Rated secondary current: /5 or /1A
  • Insulation class: Class E // Class B (130 ºC) Available

Details of product relationship table:

           

 

 

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