CTS24
Opening-type current transformer for Cable from 100 to 300A

Open-core current transformer, closed by lateral clips. It is suitable for measuring current in single-phase cables up to 20 mm in diameter. The range covers a range of primary currents, from 100A to 300A AC. They are available in accuracy classes from 1.0 to 3.0.

  • Round cable (mm): 20
  • Conductor type: Single-phase
  • Magnetic core type: Openable
  • Primary current: 100 A to 300A
  • Secondary current: 5A (1A on request)
  • Class 3.0 or 1.0 depending on the size
  • Power (VA): 1.0 to 1.5 VA

Description

Technical Specifications

Transformation ratio
  • From 100A to 300A

Nominal Power
  • Up to 5VA

Accuracy Class
  • Class 1.0, Class 3.0 or Class 5.0 depending on the size

Secondary
  • 1m cable, 2 wires black/red for connection to the measuring device

Box
  • ABS . Self-extinguishing

Mounting
  • On cable

Operating ambient temperature
  • -25 C ~ +85 C

Primary conductor
  • 24×24 (Ø24)

Number of inputs
  • 1 input

Short-time thermal current
  • Ith = 60 * In

Continuous thermal current
  • Id=1 * In

Nominal frequency
  • 50Hz … 60Hz

Overvoltage current limiting factor
  • FS 5

Test voltage
  • 3kV 1min

Maximum system 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)
Series Ratio (A) Accuracy Class Power (VA)
24 x 24 CTS24-100/5 100/5A 3 1
CTS24-150/5 150/5A 3 1.5
CTS24-200/5 200/5A 3 1.5
CTS24-250/5 250/5A 1 1
CTS24-300/5 300/5A 1 1

Technical Specifications

Transformation ratio
  • From 100A to 300A

Nominal Power
  • Up to 5VA

Accuracy Class
  • Class 1.0, Class 3.0 or Class 5.0 depending on the size

Secondary
  • 1m cable, 2 wires black/red for connection to the measuring device

Box
  • ABS . Self-extinguishing

Mounting
  • On cable

Operating ambient temperature
  • -25 C ~ +85 C

Primary conductor
  • 24×24 (Ø24)

Number of inputs
  • 1 input

Short-time thermal current
  • Ith = 60 * In

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

Opening
(mm)
SeriesRatio (A)Accuracy ClassPower (VA)
24 x 24CTS24-100/5100/5A31
CTS24-150/5150/5A31.5
CTS24-200/5200/5A31.5
CTS24-250/5250/5A11
CTS24-300/5300/5A11

Product Documentations