Technical Specifications

Transformation ratio
  • From 1000/5A to 5000/5A

Nominal Power
  • Up to 30VA

Accuracy Class
  • Class 1.0 or Classe 0.5 depending on the size

Terminal
  • Screw-covered terminals

Box
  • Polycarbonate. Self-extinguishing

Mounting
  • On cable or bar

Operating ambient temperature
  • -25 C ~ +85 C

Primary conductor
  • 80 x 160 mm

Round conductor
  • Diameter 80 mm

Number of inputs
  • 1 input

Short-time thermal current
  • Ith = 60 kA

Continuous thermal current
  • Id=1 * In

Nominal frequency
  • 50Hz … 60Hz

Overvoltage current limiting factor
  • FS 5

Test voltage
  • 3kV for 1min

System Max Voltage
  • 0.72kV

Applicable Standards
  • IEC 60044-1

  • IEC 61869-2

  • VDE 0414-1

  • DIN57414

  • BS3938

  • BS7626

  • EN 61869-2

Diagrams and Dimensions

Reference Tables

Opening
(mm)
SeriesRatio (A)Accuracy ClassPower (VA)
80 x 160CTK816- 1000/51000/5A110
CTK816- 1250/51250/5A110
CTK816- 1600/51600/5A0.515
CTK816- 2000/52000/5A0.515
CTK816- 2500/52500/5A0.515
CTK816- 3000/53000/5A0.530
CTK816- 4000/54000/5A0.530
CTK816- 5000/55000/5A0.530