Narrow Profile Transformers TU20PS-1

Measuring transformer for cable with the possibility of DIN rail mounting. Its narrow profile design allows a better adaptation in the panel due to its reduced dimensions. Plastic enclosure.

Measuring transformer for cable with DIN rail mounting option.
Its narrow profile design allows a better fit in the frame due to its reduced dimensions.
Plastic enclosure.


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    Technical details

    • Dimensions
    • Technical characteristics
    • Technical data
    • Standards

    - Secondary: x/5A
    - Accuracy: 0.5 - 1 - 3
    - Plastic housing

    General technical data

    • Factor of safety: Fs < 5
    • Operating voltage (maximum): 720 V
    • Test voltage: 3 kV AC (1min)
    • Frequency: 50-60 hz
    • Rated thermal short-circuit current: 60xIn or Ith limited by cable or primary busbar dimensions
    • Rated dynamic current: IDyn = 2,5 x Ith
    • Continuous overload: ID = 1.2 x IN
    • Operating temperature: -5 / + 40 ºC
    • Accuracy: 0.5 - 1 - 3
    • Rated secondary current: x/5
    • Insulation class: Class E // Class B (130 ºC) available

    IEC 60185
    IEC 61010
    UNE EN 61869-1 (IEC 61869-1)
    UNE EN 61869-2 (IEC 61869-2)
    UNE-EN 61000-6-3
    UNE-EN 61000-6-1
    UL94-V0
    VDE 0414
    DIN 57414
    BS 3938