TL_ Measuring Current transformers

Description: TL_ current transformers for measurement instrumentation. They are transformers for bus-bar on different dimensions. Its casing is made of plastic. They are indicated for higher primary intensities.

Connections

Dimensions

The TL_ current transformers have different transformation ratios, for primary from 2000A to 5000A and secondary at 5A. The accuracy can be 5P10 or 10P10 according to IEC 61869-2.

Model/ Bus-Bar/ Cable
TL2 / 100×20 / Ø20
TL3 / 100×30 / Ø30
TL4 / 100×60 / Ø60

Bus-Bar
For one or more plates
Plastic enclosure
For higher primary currents

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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