Technical Specifications

CT Ratio

  • From 40A to 125A

Nominal Power

  • Up to 2,5VA

Accuracy Class

  • Class 3.0; 1.0 or Class 0.5

Terminal

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

Box

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

Mounting

  • On cable

Operating ambient temperature

  • -25 C° – +85 C°

Primary conductor

  • 20 mm

Round conductor

  • Diameter 20 mm

Number of inputs

  • 1 input

Short-time thermal current

  • Ith = 60 “In

Continuous thermal current

  • Id=12*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
3.01.00.5
40/5CTMD20-40/51
50/5CTMD20-50/51
60/5CTMD20-60/511
80/5CTMD20-80/51.5
100/5CTMD20-100/51.51.5
125/5CTMD20-125/52.51.5