Voltage transformers, also known as potential transformers (PTs) or voltage instrument transformers, play a crucial role in electrical power systems. These devices are designed to accurately and safely transform high voltage levels to lower, more manageable values for measurement, protection, and control purposes. Voltage transformers ensure the reliable and precise monitoring of voltages, allowing for effective operation and maintenance of power grids. They provide isolation and step-down functions, delivering reduced voltages to instruments and protective relays while maintaining proportional accuracy. With their ability to withstand high voltage levels and deliver accurate readings, voltage transformers are indispensable components in modern electrical infrastructure, ensuring the efficient and secure distribution of electricity.

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GE / ITI 2VT460 Series – 3-Phase Voltage Transformers

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  • Frequency: 60 Hz
  • Standard Secondary Voltage: 120 V
  • Insulation Level: 600 V, BIL 10 kV
  • Thermal Rating: 150 VA at 30C/100 VA at 55C
  • Accuracy Class: 0.6 W, 1.2 X

GE / ITI 2VT469 Series – 3-Phase Voltage Transformers

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  • Frequency: 60 Hz
  • Standard Secondary Voltage: 120 V
  • Insulation Level: 600 V, BIL 10 kV
  • Thermal Rating: 40 VA at 30C/27 VA at 55C
  • Accuracy Class: + 1% at all burdens up to 5 VA at 1.0 and 0.95 P.F.

GE / ITI 3VT468 Series – 3-Phase Voltage Transformers

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  • Frequency: 60 Hz
  • Standard Secondary Voltage: 120 V
  • Insulation Level: 600 V, BIL 10 kV
  • Thermal Rating: 75 VA at 30C/50 VA at 55C
  • Accuracy Class: ± 0.6% @ 7.5 VA

GE / ITI 3VT471 Series – 3-Phase Voltage Transformers

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  • Frequency: 60 Hz
  • Standard Secondary Voltage: 120 V
  • Insulation Level: 600 V, BIL 10 kV
  • Thermal Rating: 40 VA at 30C/27 VA at 55C
  • Accuracy Class: ±1% @ 5 VA

GE / ITI PT6 Series – Indoor Medium Voltage Transformers

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  • Frequency: 60 Hz
  • Maximum System Voltage: 25.5 kV, BIL 125 kV
  • Thermal Rating: 1500 VA at 30C/1000 VA at 55C
  • Accuracy Class: 0.3 WXMY,1.2 Z at 100 % rated voltage with 120 V based ANSI burden.
    0.3 WXMY, 1.2 MY at 58 % rated voltage with 69.3 V based ANSI burden.

GE / ITI PTG3 & PTW3 Series – Indoor Medium Voltage Transformers

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  • Frequency: 60 Hz
  • Maximum System Voltage: 5.6 kV, BIL 60 kV
  • Thermal Rating: 750 VA at 30C/500 VA at 55C
  • Accuracy Class: 0.3 WXMY,1.2 Z at 100 % rated voltage with 120 V based ANSI burden.
    0.6 WX, 1.2 MY at 58 % rated voltage with 69.3 V based ANSI burden.

GE / ITI PTG4 & PTW4 Series – Indoor Medium Voltage Transformers

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  • Frequency: 60 Hz
  • Maximum System Voltage: 9.52 kV, BIL 75 kV
  • Thermal Rating: 1500 VA at 30C/1000 VA at 55C
  • Accuracy Class: 0.3 WXMY,1.2 Z at 100 % rated voltage with 120 V based ANSI burden.
    0.3 WXMY, 1.2 MY at 58 % rated voltage with 69.3 V based ANSI burden.

GE / ITI PTG5 & PTW5 Series – Indoor Medium Voltage Transformers

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  • Frequency: 60 Hz
  • Maximum System Voltage: 15.5 kV, BIL 110 kV
  • Thermal Rating: 1500 VA at 30C/1000 VA at 55C
  • Accuracy Class: 0.3 WXMY,1.2 Z at 100 % rated voltage with 120 V based ANSI burden.
    0.3 WXMY, 1.2 MY at 58 % rated voltage with 69.3 V based ANSI burden.

GE / ITI 3VT472 Series – 3-Phase Voltage Transformers

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  • Frequency: 60 Hz
  • Standard Secondary Voltage: 120 V
  • Insulation Level: 600 V, BIL 10 kV
  • Thermal Rating: 40 VA at 30C/27 VA at 55C
  • Accuracy Class: ± 1% @ 5 VA

GE / ITI 3VTL460 Series – 3-Phase Voltage Transformers

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  • Frequency: 60 Hz
  • Standard Secondary Voltage: 120 V line-to-line
  • Insulation Level: 600 V, BIL 10 kV
  • Thermal Rating: 150 VA at 30C/100 VA at 55C
  • Accuracy Class: 0.6 W, 1.2 X at 60 Hz