Transformer Bushing CT (BCT)

Standard IEC 61869 / IEEE C57.13
Primary Current 50 A - 40,000 A
Secondary Current 5A, 2A, 1A
Burden 5~200 VA, B-0.1 ~ B-8.0
Application Transformer Bushing
Insulation Cast resin
Cores Up to 4 cores per BCT
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Transformer BCT

Transformer Bushing CT (BCT)

ZDVolt’s Bushing Current Transformers (BCTs) are precision-engineered toroidal current transformers designed to mount around transformer bushings. They provide accurate current measurement signals for metering, protection, and control systems without requiring additional space or separate CT installations.

Key Specifications

  • Voltage class: 145 kV to 1,100 kV
  • Up to 4 independent cores per BCT assembly
  • Metering accuracy class: 0.2 / 0.2S / 0.5 / 0.5S
  • Protection accuracy class: 5P / 10P / PX

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