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CT-BSC-050-000-1200 | Split current transformer 1200A/333mV - for UMG 96-PQ-L-LP & 800-CT8-LP

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Product description

The CT-BSC series low power (333mV) current transformers from Janitza is a series of divisible current transformers specially designed for the UMG 96-PQ-L-LP power analyzer and the 800-CT8-LP expansion module (associated with the UMG 801 power analyzer). These current transformers are available with a primary current of 600 to 2500 A and the series has a class 0.5 accuracy.

Conductor Diameter
It is essential for a current transformer to fit the conductor to be measured. For the CT-BSC series, the following diameters are available for conductors:
  • CT-BSC-021-000-600: 21 x 51 mm
  • CT-BSC-050-000-1200: 50 x 90 mm
  • CT-BSC-080-000-2500: 80 x 120 mm


The CT-BSC series current transformers are divisible and can be easily placed around the conductor to be measured without having to de-energize the installation. This simplifies the installation and reduces inconvenience. Additionally, they are also suitable for retrofitting.

Main features of the CT-BSC series low power current transformers:

  • Designed for connection to the UMG 96-PQ-L-LP and 800-CT8-LP
  • Output voltage: 333mV
  • Available with a primary current of 600, 1200, or 2500 A
  • Suitable for conductors with a max. diameter of 80 x 120 mm
  • Equipped with M4 screw terminals for cable connection
  • Divisible, can be easily clipped around the conductor to be measured
  • Compliant with ANSI C57.13 and IEC 61869-2 standards



TypeSplit-core current transformer
Primary current1200 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 ratio1200/333mV
For connection toUMG 96-PQ-L-LP
UMG 800-CT8-LP

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
Rail110 x 149 mm
Width110 mm
CategoryCurrent transformers
Product codeJA900501
Supplier code1503348

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