TAS125 – Single-phase current transformer – measurement


  • Current transformer for primary rated currents from 400 A to 4000 A
  • Secondary rated current selectable with 5 A or 1 A
  • Suitable for 50 Hz, optionally also for 400 Hz with defined burden
  • Versions for measurement and protection applications available
  • Accuracy classes 0.5 / 1 for measurement and 5P5 / 5P10 for protection
  • Burden from 3 VA to 20 VA for measurement and 3 VA to 50 VA for protection
  • Rated short-time thermal current up to max. 90 kA
  • Self-powered version without auxiliary supply
  • Optional ATAP015 accessory for protection with open secondary winding
Datasheet
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Technical data

Primary rated current Ipr 400…4000 A
Rated frequency 50 Hz
Operating frequency 47…63 Hz
Option Rated frequency 400 Hz, burden to be defined
Rated continuous thermal current Icth 100 % Ipr
Rated short-time thermal current Ith < 60 Ipr, max. 90 kA
Dynamic rated current Idyn 2.5 Ith
Safety factor (FS) ≤ 5, protection class excluded
Secondary rated current Isr 5 / 1 A
Burden 3…20 VA for measurement / 3…50 VA for protection
Accuracy Class 0.5 / 1 for measurement, class 5P5 / 5P10 for protection
Maximum power loss ≤ 44 W
Note on thermal dimensioning For thermal dimensioning of the control cabinet
Max. temperature of passing cable / busbar 125 °C
Note on secondary winding With open secondary winding, an operating time of 1 minute is guaranteed.
Accessory ATAP015 (NT710) for automatic short-circuiting of the secondary winding when the limit value is exceeded
Auxiliary supply Not required, self-powered






TAS 125 -Stromwandler Niederspannungsnetz Schutz
Technical advice: 03303 / 50 40 66

Technical advice for this product


    In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



    TAS125 – Single-phase current transformer – measurement

    TAS 125 -Stromwandler Niederspannungsnetz Schutz
    • Current transformer for primary rated currents from 400 A to 4000 A
    • Secondary rated current selectable with 5 A or 1 A
    • Suitable for 50 Hz, optionally also for 400 Hz with defined burden
    • Versions for measurement and protection applications available
    • Accuracy classes 0.5 / 1 for measurement and 5P5 / 5P10 for protection
    • Burden from 3 VA to 20 VA for measurement and 3 VA to 50 VA for protection
    • Rated short-time thermal current up to max. 90 kA
    • Self-powered version without auxiliary supply
    • Optional ATAP015 accessory for protection with open secondary winding
    Datasheet
    Add to your Quote List

    Technical data

    Primary rated current Ipr 400…4000 A
    Rated frequency 50 Hz
    Operating frequency 47…63 Hz
    Option Rated frequency 400 Hz, burden to be defined
    Rated continuous thermal current Icth 100 % Ipr
    Rated short-time thermal current Ith < 60 Ipr, max. 90 kA
    Dynamic rated current Idyn 2.5 Ith
    Safety factor (FS) ≤ 5, protection class excluded
    Secondary rated current Isr 5 / 1 A
    Burden 3…20 VA for measurement / 3…50 VA for protection
    Accuracy Class 0.5 / 1 for measurement, class 5P5 / 5P10 for protection
    Maximum power loss ≤ 44 W
    Note on thermal dimensioning For thermal dimensioning of the control cabinet
    Max. temperature of passing cable / busbar 125 °C
    Note on secondary winding With open secondary winding, an operating time of 1 minute is guaranteed.
    Accessory ATAP015 (NT710) for automatic short-circuiting of the secondary winding when the limit value is exceeded
    Auxiliary supply Not required, self-powered






    Technical advice: 03303 / 50 40 66

    Technical advice for this product


      In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



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