TA327 – Single-phase current transformer – precision


  • Current transformer for primary rated currents from 150 A to 300 A
  • Secondary rated current selectable with 5 A or 1 A
  • Suitable for 50 Hz, optionally also for 400 Hz with defined burden
  • Accuracy classes 0.2s, 0.2 and 0.5 available
  • Burden from 1 VA to 15 VA
  • Safety factor FS ≤ 10
  • Maximum temperature of passing cable or busbar 125 °C
  • 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 150…300 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
Thermal continuous current Ith < 60 Ipr
Dynamic rated current Idyn 2.5 Ith
Safety factor (FS) ≤ 10
Secondary rated current Isr 5 / 1 A
Burden 1…15 VA, see table
Accuracy Class 0.2s / 0.2 / 0.5, see table
Maximum power loss ≤ 7 W at Icth
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






TA 327 - Stromwandler (Genauigkeit)
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.



    TA327 – Single-phase current transformer – precision

    TA 327 - Stromwandler (Genauigkeit)
    • Current transformer for primary rated currents from 150 A to 300 A
    • Secondary rated current selectable with 5 A or 1 A
    • Suitable for 50 Hz, optionally also for 400 Hz with defined burden
    • Accuracy classes 0.2s, 0.2 and 0.5 available
    • Burden from 1 VA to 15 VA
    • Safety factor FS ≤ 10
    • Maximum temperature of passing cable or busbar 125 °C
    • 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 150…300 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
    Thermal continuous current Ith < 60 Ipr
    Dynamic rated current Idyn 2.5 Ith
    Safety factor (FS) ≤ 10
    Secondary rated current Isr 5 / 1 A
    Burden 1…15 VA, see table
    Accuracy Class 0.2s / 0.2 / 0.5, see table
    Maximum power loss ≤ 7 W at Icth
    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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