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CT24-SC-012-200-100 | Split current transformer 100A/333mV - cable 200cm for 800-CT24

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Product description

The CT24 series low power (333mV) current transformers from Janitza are a series of split-core current transformers. The current transformers are available in three versions with a primary current of 50, 75, or 100 A, with a choice of a cable length of 25 centimetres or 2 metres. By using a connector instead of screw connections, the CT24 current transformers can be easily and quickly connected to the Janitza Module 800-CT24. This Module 800-CT24 is a 24-channel current measuring module, with a maximum of 4 being connectable to the UMG801.


The CT24 series current transformers consist of split-core current transformers that can be easily placed around the conductor to be measured without having to de-energize the installation. This simplifies the installation and causes less inconvenience. In addition, they are also suitable for retrofitting. The 50 and 75 A models fit around a conductor with a maximum diameter of 10 mm, the 100 A model fits around a conductor with a maximum diameter of 12.5 mm.

Main features of the CT24 low power current transformers:
  • Suitable for connection to the Janitza Module 800-CT24
  • Output voltage: 333mV
  • Available with a primary current of 50, 75 or 100 A
  • Available with 25 cm or 2 m cable
  • Cable equipped with connector for quick connection
  • Split-core, can be easily clipped around the conductor to be measured
  • Comply with ANSI C57.13 and IEC 61869-2 standards



TypeSplit-core current transformer
Primary current100 A
Secondary current333mV
Transformation ratio

The transformation ratio indicates how the current from the primary circuit is proportionally reduced in the secondary circuit. This allows for the measurement of high currents with more manageable, lower current values in the secondary circuit, contributing to both the accuracy of the measurements and the safety of the measuring system.

Transformation ratio100/333mV
For connection toModul 800-CT24

The class of a current transformer indicates the accuracy of the output current. There are different classes, with class 0.1 offering the highest accuracy and class 5 the lowest.

ClassClass 0,5
Cable diameter12 Ø
Width37,5 mm
Spur length

The length of the connected cable.

Spur length2 m
CategoryCurrent transformers
Product codeJA901978
Supplier code1503126

Related products

800-CT24 | 24-channel current measuring module for UMG 800 series
Product code: JA500067

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