Current transformer XT

The XT has been designed for TMAX XT circuit breaker.

  • 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
Factsheet
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Highlights

SAS Swiss Accreditation

Official calibration

Official calibration possible according to the ordinance of the EJPD on measuring instruments for electrical energy and power.

PFIFFNER block CT advantage

  • Compact solutions which wouldn't be possible with standard products
  • All parameters are maintained despite the compact design
  • Significant reduction of the total costs

Specifications and Downloads

Technical Specifications

XT2 3-phased

XT2 4-phased

XT4

XT5

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

 

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