TU_R measuring transformers. Narrow profile

Current transformers for measurement instrumentation. Bus-bar transformers made of resin, which gives them a special robustness. They have a narrow profile which allows a better adaptation in the frame due to its small dimensions.

Connections

Dimensions

Model / Bus-bar / Cable
TU30R / 30×20 / Ø20
TU60R / 60×30 / Ø30
TU80R / 80×50 / Ø50
TU100R / 100×80 / Ø80
TU125R / 125×80 / Ø80
TU160R / 160×80 / Ø80

• Bus-bar
• Special robustness
• Resin casing
• Narrow profile
• Better adaptation

Standards

  • IEC 60185
  • UNE EN 618691 (IEC 618691)
  • UNE EN 618692 (IEC 618692)
  • VDE 0414
  • IEC60801-3.4
  • DIN 57414
  • BS 3938
  • EN 50081
  • EN 50082
  • IEC61010
  • UL94-V0

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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TU_R measuring transformers. Narrow profile

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