Technical Specifications

CT Ratio

  • From 1200A to 4000A

Nominal Power

  • Up to 30VA

Accuracy Class

  • Classes 0.1, 0.2s, 0.2 or 0.5

Terminal

  • Full terminal coverage, high cross-section brass terminal for added safety.

Box

  • Flame-retardant ABS/PC. Self-extinguishing.

Mounting

  • On bar

Operating ambient temperature

  • -25 C° – +85 C°

Primary conductor

  • 125 x 35 mm

Round conductor

  • Not suitable

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 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

RatiotSeriesReferenceAccuracy Class
1.0 0.5 0.5s 0.2 0.2s 0.1
1200/5 CTMK125 CTMK125-1200/5 15 15 10 10
1600/5 CTMK125-1600/5 30 25 25 15 7.5 5
2000/5 CTMK125-2000/5 30 30 30 30 30 30
2500/5 CTMK125-2500/5 30 30 30 30 30 30
3200/5 CTMK125-3200/5 30 30 30 30 30 30
4000/5 CTMK125-4000/5 30 30 30 30 30 30