Current transformer XT
The XT has been designed for TMAX XT circuit breaker.
![](/fileadmin/_processed_/d/3/csm_XT_product_image_Produktbild_2dfb2276c1.png)
- For use in compact low-voltage circuitbreakers 60-600 A
- Compact three-phase block CT's with voltage taps and neutral conductor feed-through
- Simple and quick installation
- Standard: IEC/EN 61869-2
- Official calibration possible
Specifications and Downloads
Technical Specifications
XT2 3-phased
![](/fileadmin/_processed_/6/8/csm_XT2_3-phased_drawing_3-phasig_Massbild_69f6496a49.png)
XT2 4-phased
![](/fileadmin/_processed_/2/6/csm_XT2_4-phased_drawing_4-phasig_Massbild_1c5392a412.png)
XT4
![](/fileadmin/_processed_/f/9/csm_XT4_3-phased_drawing_3-phasig_Massbild_ac6acc18d4.png)
![](/fileadmin/_processed_/1/1/csm_XT4_4-phased_drawing_4-phasig_Massbild_cfbd7cfdba.png)
XT5
![](/fileadmin/_processed_/2/7/csm_XT5_3-phased_drawing_3-phasig_Massbild_f5b98b180c.png)
![](/fileadmin/_processed_/d/e/csm_XT5_4-phased_drawing_4-phasig_Massbild_e72279b9c9.png)
Technical data
Highest operating voltage | 0.72 kV |
Test voltage | 3 kV |
Frequency | 50 Hz |
Short-time thermal current | 60 Ipr 1s |
Continuous thermal current | 105 % Ipr |
Permanent overload capacity | 5 % |
Accuracy | up to cl. 0.5 S |
Burden | 2 VA |
Secondary current | 5/1 A |
Primary currents XT2 | 60-100-150 A |
Primary currents XT4 | 200-300 A |
Primary currents XT5 | 300-400-600 A |