TU_R Measuring transformers.

Current transformers for measuring instrumentation. They are transformers with wound primary, either for cable or for plate. They are encapsulated in resin which gives them great robustness.

Connections

Dimensions

Models
TU3R
TU50R
TU3R (0,5s)
TUP20R (0,5s)

• Wound primary
• Resin casing
• Greater robustness
• For cable or plate

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 // Ith = 60 for wound primary
  • 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.

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TU_R Measuring transformers.