TA_R Split Core Transformers

Open core current transformers for measurement instrumentation. They are transformers for cable or bus-bar. They are made of resin and its main advantage is the ease of installation due to the possibility of opening the core. They are more robust transformers because they are coated with resin, allowing their installation even outdoors.

Connections

Dimensions

Model/ Bus-Bar / Cable
TA30R / 30×20 / Ø20
TA60R / 60×30 / Ø30
TA80R / 80×50 / Ø50
TA100R / 100×80 / Ø80
TA125R / 125×80 / Ø80
TA160R / 160×80 / Ø80

• Bus-bar
• Split-core
• Special robustness
• Resin casing
• 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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TA_R Split Core Transformers